《Medical Parasitology》Review
Part1 Introduction to Medical Parasitology and nematodes
一、Multiple choice: only one is right
1.The scope of medical parasites includes: D
A.medical helminths, medical nematodes, medical protozoa
B.medical trematodes, medical helminths, medical nematodes
C.medical arthropods, medical helminths, medical trematodes
D.medical protozoa, medical helminths, medical arthropods
2.What is “ host”? B
A.it refers to human B.the injured partner in parasitism
C.either partner in parasitism
D.the benefited partner in parasitism
3.What is “parasite”：D
A. an organism with large size
B.the injured partner in parasitism
C.either partner in parasitism
D.the benefited partner in parasitism
4.Reservoir host refers to: C
A.definitive host
B.intermediate host
C.vertebrate animal
D.unsuitable host
5.The life span of A.lumbricoides A
A.not up 2 year B.about 3years C.about 5years D.about 10 years
6.The intermediate host is：B
A. the host in which the adult or asexual stages parasitise
B. the host in which the larvae or asexual stages parasitise
C. the host in which the larvae or sexual stages parasitise
D. the host in which the adult or sexual stages parasitise
7. Which parasite can not lead to eosinophilia? A
A.plasmodium spp.(pinworm)
B.Trichinella spiralis C.roudworm
D. hookworm
8.The infective sources include: D
A.patient and infected animals
B.medical arthropod
C.patient, carrier and animal
D.patient, carrier and reservoir host
9.The definitive host refers to D
A. the host in which the adult or asexual stages parasitise
B. the host in which the larvae or asexual stages parasitise
C. the host in which the larvae or sexual stages parasitise
D. the host in which the adult or sexual stages parasitise
10.How to prevent the parasitic infection D
A.keep good personal hygiene B.drink boiling water
C.eat adequately cooked food D.A to C(All of the above)
11.The portal of parasitic infection includes D
A. via skin
B. via mouth
C. via sex
D.A to C(A,B,C)
12.The fertilized egg of roundworm is resistant to the environment because of B
A.its thick egg shell
B.it has vitelline layer
C.it is covered by protein D.its segmented ovum
13.The allergic reaction caused by A.lumbricoides B
A.abdominal pain B.asthma C.obstruction of small intestine D.appendicitis
14.The infective stage of A.lumbricoides C
A.unfertilized egg
B.fertilized egg
C. fertilized egg with a second stage larva D.decorticated egg
15.The most serious damage caused by A.lumbricoides is C
A.obtaining nourishment B.secreting toxin
C.complications D.allergic reactions
16.Where does A.lumbricoides molt? B
A.1st molting in egg, 2nd and 3th in the small intestine, 4th in lungs
B. 1st molting in egg, 2nd and 3th in lungs, 4th in the small intestine
C. 1st and 2nd molting in egg, 3th in small intestine, 4th in lungs
D. 1st and 2nd molting in lungs, 3th and 4th in the small intestine
17.How many eggs does a gravid female A.lumbricoides lay per day? C
A.10,000 B.100,000 C.200,000 D.400, 000
18. The reproductive system of A.lumbricoides is A
A.the female is didelphic，the male is monodelphic
B. the female and male both are monodelphic
C. the female and male both are didelphic
D. the female is monodelphic, the male is didelphic
19.The reproductive system of whipworm is B
A.the female is didelphic，the male is monodelphic
B. the female and the male both are monodelphic
C. the female and the male both are didelphic
D. the female is monodelphic, the male is didelphic
20.The reproductive system of Trichinella spiralis is B
A.the female is didelphic，the male is monodelphic
B. the female and male both are monodelphic
C. the female and male both are didelphic
D. the female is monodelphic, the male is didelphic
21. Roundworm is easily prevalent due to D
A.its simple life cycle
B.its fertilized eggs are resistant
C. using night soil as fertilizer D. A, B and C
22.Which is not the complications caused by roundworm?C
A.night blindness
B.abdominal pain
C.appendicitis
D.malnutrition
23.The features of nematodes include: B
A.its alimentary system is incomplete
B.it has pseudocecum
C.its body wall is covered by integument
D.all male nematodes have 2 spicules
24.Which is not right about roundworm? D
A.it is a large nematode
B.its mouth is surrounded by 3 lips
C.the tail of the male is curved ventrally
D.the anterior end is pointed and the posterior end is blunt
25.The infective stage of roundworm refers to C
A.the egg with segmented ovum
B.the egg with the first stage larva
C.the egg with the second stage larva
D.the egg with unsegmented ovum
26.The first choice of diagnostic method to roundworm is A
A.directive fecal smear
B.cellophane tape method
C.saturated solution of common salt
D.sputum smear
27.The infective stage of roundworm is
A.rhabditiform larva
C
B.filarialform larva
C.fertilized egg with the second stage larva
28.The fertilized egg of roundworm:
D.decorticated egg
D
A.the infective stage
B.its egg shell is thin
C.it contains a larva
D.its color is yellowish brown
29.The life cycle of roundworm: B
A.only requires one intermediate host B.only requires one host
C.requires two hosts
D.its life cycle is indirect
30.The portal of entry of roundworm is
A.via mouth
B.via skin
A
C.by transfusion
D.by direct contact
31.The duration from ingestion of the infective stage of roundworm to the gravid female laying
eggs will take C
A.1 month
B.1.5 months
C.2 to 3 months
32.How to prevent the infection of roundworm? D
D.3 to 3.5months
A.treating patients B.drinking boiling water
C.washing hands after toilet
D. A to C
33. Which parasite can lead to autoinfection?
A.roundworm
B.hookworm
C
C.pinworm
D.Wuchereria bancrofti
34.The key to prevent the reinfection of pinworm is D
A.treat the patient
B.keep good personal hygiene
C.kill house fly
D.prevent reinfection
35.The main clinic manifestation of enterobiasis is C
A.anemia
B.diarrhea
C.pruritus around the perianal skin
D.anorexia
36.How does enterobiasis diagnose? B
A.directive fecal smear
B.cellophane tape method
C.saturated solution of common salt
D.sputum smear
37.Which is right about pinworm? B
A.the adults of pinworm live in the small intestine
C.its eggs can be found in stool
B.the male die after mating
D.the female lay eggs in large intestine
38.Medical parasitology study the parasites which infect: B
A.plants B. humans C. animals D.vertebrates
39. A parasite is D
A. a living organism
B. at least has a period of free life
C. depending upon another organism to survive
D. A and C are right
40.About the scientific name of medical parasites, which is wrong? D
A. it consists of generic and specific names
B. the generic and specific names are in italics
C. The first name is the generic name
D. the first letter of the specific name is written in capital
41.Reservoir host refers to A
A. vertebrate host
B.harbours the larval parasites
C. definitive host
D.human
42.Effects of parasites on the host include: D
A.mechanical injury B.deleterious effct C.deprivation of nutrients D. A to C
43.Which host is required in the direct life cycle of a nematode? A
A.definitive host
B. intermediate host
C.paratenic host
D. reservoir host
44.About the descriptions of nematodes, which is right? B
A.most nematodes are monoecious
B.their alimentary system is complete
C.all the females of nematodes are didelphic
D.all the females are oviparous
45.The body wall of a nematode from outer to inner consists of D
A.cuticle, integument, muscle
B.cuticle, muscle, hypodermis
C.integument, hypodermis, muscle D.cuticle, hypodermis, muscle
46.which structures are found in the lateral cords of a nematode? A
A. excretory canals
B.nerve trucks
C. reproductive system D. collecting ducts
47.How does hookworms infect man? B
A.ingesting the eggs of hookworm
B.filariform larvae penetrating skin
C.swallowing meat with filariform larvae
D.autoinfection
48.Hookworm: B
A.feeding on digestive food in small intestine
C.feeding on lymph fluid
B.feeding on blood
D.feeding on blood and lymph fluid
49.Copulatory bursa of Necator americanus: D
A.which is supported by 13 fleshy rays
B.it has single dorsal rays
C.it has 2 dorsal rays and the tip of each dorsal ray is tripartite
D.it has 2 dorsal rays and the tip of each dorsal ray is bipartite
50.Copulatory bursa of Ancylostoma duodenale: D
A.which is supported by 14 fleshy rays
B.it has single dorsal rays
C.it has 2 dorsal rays and the tip of each dorsal ray is tripartite
D.it has 1 dorsal rays and the tip of each dorsal ray is bipartite
51.How to identify the species of hookworm?
D
A.their buccal capsules B.their copulatory bursae C. copulatory spicules D. A to C
52.The morphological features of Ancylostoma duodenale: B
A.its shape looks like the letter “s”
B.there are 2 paired teeth on the ventral side of buccal capsule
C. there are 2 paired cutting plates on the ventral side of buccal capsule
D.its 2 copulatory spicules reunit at the end
53. How to prevent the infection of hookworm A
A.do not walking with bare feet B.prevent mosquito biting
C.do not eat raw meat
D. drink boiling water
54.the manifestations caused by hookworms include D
A. iron deficiency anemia B. ground itch
C. pica
D.A to C
55.The characteristics of pneumonia caused by the larvae of roundworm B
A.it is inflammatory reaction
B.it is self-limited
C.it needs treatment for all patients D.it lasts at least 1 month
56.the first choice of the diagnostic method to hookworm is
A
A.saturated solution of common salt B.direct fecal smear C.tissue biopsy D.blood examination
57. Creeping eruption is caused by
C
A.Ancylostoma duodenale B. Ascaris lumbricoides
C. dog hookworm(Hookworm of dog)
D. Trichinella spiralis
58.The following parasites, which can affect lungs? D
A.Ancylostoma duodenale B. Ascaris lumbricoides C.Wuchereria bancrofti D. A, B and C
59.The parasite which dwells in the lumen of small intestine are: A
A.roundworm and hookworm B. pinworm and whipworm
C.whipworm and Trichinella spiralis D.pinworm and roundworm
60.The anterior part of whipworm takes about _____ of the total length A
A. 3/5 B.1/3
C.2/3
D.2/5
61.The egg of whipworm is:
A
A.lemon-shaped appearance B. an operculum at each pole
C. the content is segmented ovum D.it is colorless
62.Whipworm lives in
B
A.small intestine B.cecum C.appendix D. sigmoid colon
63.The nocturnal periodicity of microfilariae of Wuchereria bancrofti is B
A.from 8 p.m. to 2 a.m.
B.from 10p.m. to 2 a.m.
C. from 8 p.m. to 4 a.m.
D.from 10p.m. to 4 a.m.
64.The nocturnal periodicity of microfilariae of Brugia malayi is
A.from 8 p.m. to 2 a.m.
B.from 10p.m. to 2 a.m.
C. from 8 p.m. to 4 a.m.
D.from 10p.m. to 4 a.m.
C
65.The intermediate host of lymphatic filariae is A
A.mosquito
B.fly
C.human
D.sandfly
66.The adult Trichinella spiralis dwells in: A
A.the mucosa of the small intestine
B.the lumen of the small intestine
C.the skeletal muscle
D.smooth muscle
67.Which stage of lymphatic filariae can lead to serious damage to human? B
A.microfilariae
B.adult worms
C.filariform larvae
D.sausage-shaped larvae
68.What will be found when examming the blood of a patient with filariasis? A
A.microfilariae
B.adult worms
C.filariform larvae
D.sausage-shaped larvae
69.How to prevent trichinosis? A
A.do not eat raw meat
B.do not fresh vegetables
C.do not eat freshwater fish
D.do not eat freshwater crab
70.The following manifestations, which does not belong to acute lymphatic filariasis? C
A.lymphangitis
B.lymphadenitis
C.elephantiasis
D.fever
71.Where does the adult Wuchereria bancrofti (lymphatic filariae) live?
A.lymphatic system
B.lung
C.R.B.C.
D.genital organs
A
72.How to identify the species of lymphatic filariae?\how to diagnose lymphatic filariasis? A
A.thin blood smear
common salt
B.thick blood smear
C.faecal smear
D.saturated solution of
73. Brugia malayi maybe lead to?\which symptom is caused by Burgia malayi?
A.hydrocele
B. elephantiasis of scrotum
C. chyluria
D
D.lymphedema
74. Wuchereria bancrofti maybe lead to?\which symptom is caused by Wuchereria bancrofti?
A.hydrocele
B. elephantiasis
C. chyluria
D
D.A, B and C
75.Which nematode requires an intermediate host? D
A.roundworm
B.pinworm
C.hookworm
D.lymphatic filariae
76.How to diagnose trichinosis? A
A.tissue biopsy
B. blood smear
C.faecal smear
D.saturated solution of common salt
77.The important infective source of trichinosis is: B
A.patient
B. infected animal\animal
C.fish
D.crab
78.The infective stage of lymphatic filaria is D
A.microfilaria
B.sausage-shaped larva
79. Brugia malayi maybe affects :
C.rhabditiform larva
D.filariform larva
D
A. the leg below the knee B. the arm below the elbow C. the genitals D.A and B
80. Wuchereria bancrofti maybe affects : D
A. the leg B. the arm C. the genitals D.A to C
81. About Trichinella spiralis, which is not right? C
A.it is zoonotic parasite
B.its adult and larval stages inhabit the same host
C.patient is an important infective source of trichinosis
D.the infective stage is encysted larvae
Answers: from 1 to 81
1
D
22
C
2
B
23
B
3
D
24
D
4
C
25
C
5
A
26
A
6
B
27
C
7
A
28
D
8
D
29
B
9
D
30
A
10
D
31
C
11
D
32
D
12
B
33
C
13
B
34
D
14
C
35
C
15
C
36
B
16
B
37
B
17
C
38
B
18
A
39
D
19
B
40
D
20
B
41
A
21
D
42
D
43
A
64
C
44
B
65
A
45
D
66
A
46
A
67
B
47
B
68
A
48
B
69
A
49
D
70
C
50
D
71
A
51
D
72
A
52
B
73
D
53
A
74
D
54
D
75
D
55
B
76
A
56
A
77
B
57
C
78
D
58
D
79
D
59
A
80
D
60
A
81
C
61
A
62
B
82- The feature of the fertilized egg of roundworm: A,C
A.ovoid in shape
B.the egg shell is thin
C.it contains larva
D.its colour is yellowish brown
83- Which host is required in the direct life cycle of a parasite? A
A.definitive host
B.intermediate host
C.paratenic host
D.reservoir host
84- Which structure of hookworm does it serve as the powerful pump to suck blood?
A.buccal capsule
B.esophagus
B
C.fleshy rays
D.teeth
85- The larval stages in the life cycle of hookworm include. C
A.the first and the second stage rhabditiform latvae
B.the rhabditiform,the sausage-shaped and the filariform larva
C.the first,the second stage rhabditiform larvae and filariform larvae
D.the first,the second rhabditiform larvae and microfilariae
Answers of the quiz of general introduction
2020-3-2 from Bing yuyan
1.The types of medical parasites includeprotozoa, helminths, and arthropods.(3points)
2. The sources of infection includepatients, carriers, reservoir hosts, and paratenic
hosts. (4 points)
3.Which is endoparasite (1point)B
A.flea B.roundworm C.tick D.louse
4.Which is not right adout the descriptions of parasite (1point)C
A.a living organism(yes)
B.it needs at least one host to complete its life cycle (yes. the definition of parasite
63
B
tell you a parasite requires host to obtain nutrient. )
C.it is injured in parasitism(C iswrong, it is benifited in parasitism)
D.usually, it is smaller than its host (yes)
5.Which is right about the descriptions of defintive host (1point)C
A.animals serve as definitive hosts B.asexual multiplication occurs in it
C.it harbors the adult of a parasite D.the larvae do not develop in its body
6.The following organisms, which can serve as the agent of disease (2points)A,B,C,D
A.bacteria B.viruses C.fungi D.parasites
7.The parasite and the host are different in species.(Yes or no) (1point)Yes
8.There is a parasitc disease when a parasite invades a human body (Yes or no, then
please give your explaination) (3points)No.(1point). There may be other condition
such as parasitic infection(or carrier). The result will depend upon the immunity of
the infected individual and the number or virulence (2points)
9.When the infective stage of dog roundworm is swallowed by human, it do not
develop to the adult, and only remains at the larval stage, which will migrate in the
body of human. However, if it is swallowed by a dog, it will develop to the adult in
the small intestine of the dog (usually the adult roundworm parasizes in the small
intestine).
According to this material, answer the following questions:
a. In this material, which kind of host does dog and human serve as respectively?
Dog: only serve as definitive host. Animal haboring the adult of a parasite is named
reservoir host. Human: paratenic host or abnormal host. (2points)
b. Please use a term to explain these results? (2points)
Host specificity(please review the concept of host specificity)
Quiz of medical nematodes
ANSWER: 1A 2C 3D 4B 5B 6C 7D 8A 9D 10D 11C 12B
13C 14C 15A 16. A. encysted larva of Trichinella
spiralis B.pinworm C.hookworm egg D. microfilaria of
Wuchereria bancrofti
1.Semilunar cutting plates are found in the buccal capsule of: A
A.
B.
C.
D.
Necatoramericanus
Ascaris lumbricoides
Brugiamalayi
Ancylostoma duodenale
2.Single dorsal rayis found in the copulatory bursa of: C
A.
B.
C.
D.
Necatoramericanus
Wuchereriabancrofti
Ancylostoma duodenale
Ascaris lumbricoides
3.Heart and lung migration is observed in: D
A.
B.
C.
D.
Ascaris lumbricoides
Ancylostoma duodenale
Trichinella spiralis
A to C
4.A 9-year-old boy was brought to the emergency room with a prolapsed rectum.
Examination of the rectum reveals small worms that resemble whips attached to the
mucosa. A stool sample reveals eggs that are barrel shaped, with bipolar plugs. Which
of the following is the most likely cause? B
A.
B.
C.
D.
Enterobius vermicularis
Trichuris trichiura
Ascaris lumbricoides
Ancylostoma duodenale
5.Female anophelesmosquitoes can transmit B
A.
B.
C.
D.
Ascaris lumbricoides
Lymphatic filariae
Trichinella spiralis
Trichuris trtichiura
6.Each of the following statements concerning hookworm infection is correct
EXCEPT: C
A.
B.
C.
D.
Hookworm infection is acquired by humans when filariform larvae penetrate the skin.
Hookworm infection can cause anemia.
Hookworm infection can be diagnosed by finding the trophozoite in the stool.
Hookworm infection is caused byAncylostoma duodenale or Necatoramericanus.
7.Each of the following statements concerning trichinosis is correct EXCEPT: D
A.
B.
C.
D.
Eosinophilia is a prominent finding
Trichinosis is acquired by eating undercooked meat
Trichinosis can be diagnosed by seeing encysted larvae in muscle biopsy specimens.
Trichinosis is caused by adults of Trichinella spiralis.
8.Children at day care centers have a high rate of infection with which one of the
following? A
A.
B.
C.
D.
Enterobius vermicularis
Ascaris lumbricoides
Necatoramericanus
Trichinella spiralis
9.A 9-year-old girl who is thinwith the "potbelly" of malnutrition, and orders a fecal
exam and CBC (complete blood count). The CBC reveals a microcytic, hypochrornic
anemia, and the fecal exam detects colorless, oval nematode eggs approximately 60
microns in size. What was the most likely means by which this child was infected? D
A.
B.
C.
D.
E.
Ingestion of ova
Mosquito transmission of sporozoites
Ingestion of larvae
Skin penetration by larvae
Ingestion of cysts in muscle
10.Which female nematode is both didelphic and ovoviviparous D
A.
B.
C.
D.
Enterobius vermicularis
Ascaris lumbricoides
Trichinella spiralis
Wuchereriabancrofti
11.The mother of a 4-year-old child notes that her child is sleeping poorly and
scratching his anal area. You suspect the child may have pinworms. Which one of the
following is the BEST method to make that diagnosis? C
A.
B.
C.
D.
Examine a blood smear for the presence of microfilaria
Determine the titer of IgE antibody against the organism
Examine transparent adhesive tape for the presence of eggs
Examine the stool for the presence of eggs
12.Each of the following statements concerning Ascaris lumbricoides is correct
EXCEPT: B
A.
B.
C.
D.
A. lumbricoides is one of large nematodes.
Both dogs and cats are intermediate hosts of A. lumbricoides.
A.lumbricoides is transmitted by ingestion of the infective eggs.
A.lumbricoides can cause pneumonia.
13. Elephantiasis in the right picture may be
A.
B.
C.
D.
Wuchereriabancrofti
Brugiamalayi
Either A or B
Neither A or B
14.The thick blood smear can exam C
A. Wuchereriabancrofti
B. Brugiamalayi
C. Either A or B
D. Enterobius vermicularis
15.The following parasites, which can lead to foodborne disease? A
A.
B.
C.
D.
Trichinella spiralis
Wuchereriabancrofti
Microfilaria
Necatoramericanus
16. please write the names of the following pictures:
A
B
C
caused by C
D
《Medical parasitology》Review
Part 2 Digenitic trematodes
1.Which is wrong about the features of digenitic trematodes D
A.most of them are flat in shape
B.most trematodes are hermaphroditic
C.they have incomplete alimentary systems
D.they have body cavities
2.The asexual reproduction of digenitic trematodes includes B
A. the process from egg to sporocyst
B. the process from sporocyst to cercaria
C. the process from miracidium to redia
D. the process from redia to cercaria
3. The asexual reproduction of digenitic trematodes occurs in C
A.human
B.carnivore
C.fresh water snails
D.fresh water fish
4.Which is right about the life cycle of digenitic trematodes？ A
A.sexual reproduction occurs in the definitive or reservoir host
B.the larvae develop to the adults after 4 molting
C.their larvae develop in the fresh water snails
D.their first intermediate host is fresh water snails
5.Which trematode does it require only one intermediate host in its life
cycle? B
A.liver fluke B.blood fluke C.lung fluke D.Clonorchis sinensis
6.Where do the metacercariae of liver fluke mainly parasitise? B
A.skin
B.flesh
C.scales
D.fins
7.The reservoir hosts of liver fluke include C
A.fresh water fish
D.herbivores
B.fresh water snails
C.cat or dog(carnivores)
8.The symptoms of clonorchiasis do not include
A.jaundice
D
B.calculus formation
C.cholangiocarcinoma
D.dermatitis
9.How to diagnose clonorchiasis?
D
A.the history of eating raw fresh water fish
B.the patient complains abdominal pain
C.eosinophilia
D.find eggs of liver fluke in the faeces
10.Whose egg is the smallest one among helminthic eggs? D
A. roundworm
B.pinworm
C.intestinal fluke
D. liver fluke
11.Whose egg does it have mucous plug?B
A.liver fluke
B.whipworm
C.lung fluke
D.blood fluke
12.Clonorchis sinensis lives in A
A.biliary ducts
B. brain
C.lung
D.muscles
13.Paragonimus westermani D
A.it is dioecious
B. its body is flattened
C. its oral sucker is larger than its ventral sucker
D.their genital organs are situated side by side
14.The reservoir host of intestinal fluke is C
A.dog B.cat C.pig D.human
15.Metacercaria of the intestinal fluke encysts in or on B
A.fresh water snails B. aquatic plants
C.fresh water fish
D.none of them
16.Cercariae are the infective stage of C
A.liver fluke
B.lung fluke
C.blood fluke
D.intestinal fluke
17.Which parasite does not have metacercariae in its life cycle? C
A.liver fluke
B.lung fluke
C.blood fluke
D.intestinal fluke
18.Whose egg contains a miracidium? A
A.liver fluke(Schistosoma spp.)
D.intestinal fluke
B.lung fluke
C.hookworm
19.Whose egg is the largest one among the helminthic eggs?
A.liver fluke
B.rouundworm
C.hookworm
D.intestinal fluke
20.Which parasite does it inhabit the lungs ? C
A.Clonorchis sinensis
B.Schistosoma haematobium
C.Paragonimus westermani
D.Fasciolopsis buski
21.Which group maybe lead to cancer? A
D
A.Clonorchis sinensis and schistosomes
B.Schistosoma haematobium and lymphatic filariae
C.Paragonimus westermani and liver fluke
D.Fasciolopsis buski and hookworm
22.The features of schistosomes do not include
C
A.the number of their testes is more than 2
B.their eggs are non-operculated
C.the adults are hermaphroditic
D.there is only one intermediate host in its life cycle
23.Which stage does it not appear in the life cycle of schistosomes?
A.redia
B.sporocyst
C.miracidium
D.cercaria
24.The mainly pathogenic stage of schistosomes is
A.metacercaria
B.sporocyst
C.egg
D.cercaria
25. The pathogenic stage of schistosomes is
A.adult
B.cercaria
C.egg
C
D
D.A, B and C
26.The content of the mature egg of schistosome is
A.rhabditiform larva
B.unsegmented ovum
C.miracidium
D.filariform larva
C
27.The following eggs, which does not have the operculum?
A.Clonorchis sinensis B.Schistosoma spp.
C.Paragonimus westermani D.Fasciolopsis buski
28.Whose egg has a lateral spine?
A.Clonorchis sinensis
B
B.Schistosoma mansoni
B
A
C.Paragonimus westermani
D.Schistosome haematobium
29.Where does the eggs of Schistosome japonicum dwell?
C
A. veins of the vesical and pelvic plexuses
B. inferior mesenteric vein
C. superior mesenteric vein and intrahepatic portal venules
D. lymphatic system
30.Where does Schistosome haematobium live?
A
A. veins of the vesical and pelvic plexuses
B. inferior mesenteric vein
C. superior mesenteric vein and intrahepatic portal venules
D. lymphatic system
31.Where does Schistosome mansoni live? B
A. veins of the vesical and pelvic plexuses
B. inferior mesenteric vein
C. superior mesenteric vein and intrahepatic portal venules
D. lymphatic system
32.Where does the eggs of schistosomes deposit?
A. the wall of the small intestine
B.lung
D
C. liver
33.Where does the ectopic schistosomiasis japonicum occur?
A.liver
B.brain
C.intestine
D. urinary bladder
34.The reservoir host of Schistosome japonicum is
A.patient
B.carrier
C.cattle
35.The forked cercaria belongs to
A.Bancrofti malayi
D.schistosomes
C
D.fresh water snail
D
B.liver fluke
C.roundworm
D.A to C
B
36.The reason that a patient with chronic schistosomiasis is not easy to
find eggs is A
A.the eggs deposit in the fibroticly affected tissues
B.the adult worms die
C.most of eggs deposit in the liver
D.eggs are degenerated or dead
37.Splenohepatomegalia maybe occur in A
A.schistosomiasis
B.ascariasis
C.lymphatic filariasis
D.trichinosis
38.Which parasite do not cause foodborne disease?
A.Trichinella spiralis
B.liver fluke
C.schistosomes
D.lung fluke
39.Which parasite causes dermatitis?
C
C
A.roundworm B.whipworm C.schistosomes D.lymphatic filariae
40.The first intermediate host of liver fluke is
A.Bithynia snail
B. Oncomelania snail
C. Planorbid snail
D. Bulinus snail
A
41.Which parasite does not live in the intestine, but its eggs may be found
in faeces? D
A.Clonorchis sinensis
B.Paragonimus westermani
C.Schistosoma japonicum
D. A, B and C
42.The specimen to diagnose paragonimiasis is
A.blood and urine
B.sputum and urine
C.sputum and faeces
D.sputum and blood
C
43.The first intermediate host of lung fluke is
A.Bithynia snail
B.Oncomelania snail
C. Planorbid snail
D.Melania snail
D
44.Ectopic lesions of lung fluke usually occurs in
A.brain
B.abdominal cavity
C.subcutaneous tuissue
D.A, B and C
45.The 2nd intermediate host of lung fluke is
A.freshwater fish
D
C
B.freshwater shrimp
C.freshwater crab D.aquatuc plant
46- Which stage of schistosomiasis does it easily find eggs in the faeces?
A
A.acute
B.chronic
C.subacute
D.non of them
1
D
16
C
31
B
2
B
17
C
32
D
3
C
18
A
33
B
4
A
19
D
34
C
5
B
20
C
35
D
6
B
21
A
36
A
7
C
22
C
37
A
8
D
23
A
38
C
9
D
24
C
39
C
10
D
25
D
40
A
11
B
26
C
41
D
12
A
27
B
42
C
13
D
28
B
43
D
14
C
29
C
44
D
The quiz of digenetic trematodes
1. The following descriptions about digenetic trematodes, which is
wrong?
A. Their digestive tract is incomplete.
B. Their reproductive system is developed.
C.They are hermaphroditic.
D. They lack of body cavity
2.About the life cycle of the digenetic trematodes, which is right?
15
B
30
A
45
C
A.Their eggs are operculated
B.They mate by self-fertilization.
C.They have the first intermediate host, freshwater snail.
D.Their eggs require fresh water to develop.
3.Which is right?
A.Egg of lung fluke contains a miracidium
B.Egg of liver fluke contains a miracidium
C.Egg of blood fluke contains an ovum
D.Egg of liver fluke contains an ovum.
4. Who possesses a terminal spine on the eggshell?
A.Egg of lung fluke
B.Egg of liver fluke
C.Egg of blood fluke
D.Egg of schistosoma haematobium
5.The asexual muitiplication of the digenetic trematode occurs in
A.The first intermediate host
B.The second intermediate host
C.The fresh water snail
D.The definitive host
6.The asexual muitiplication of the digenetic trematode includes the
following stages:
A.Miarcidium, sporocyst, radia
B.Sporocyst, radia, cercariae
C.Radia, cercariae, metacercariae
D.Only cercariae
7.The infective stage of the digenetic flukes is metacercaria except
A.Blood flukeB.Intestinal fluke
C.Lung fluke D.Liver fluke
8.The following parasites, which is biological carcinogen
A.Blood fluke and intestinal fluke B.Intestinal fluke and liver fluke
C.Lung fluke and intestinal fluke D.Liver fluke and blood fluke
9.The following parasite, which can cause foodborne disease
A.Blood fluke and intestinal fluke B.Intestinal fluke and liver fluke
C.Lung fluke and blood fluke D.Liver fluke and lymphatic filaria
10.Which egg may be found in both the sputum and the feces
A.Blood fluke
B.Intestinal fluke
C.Lung flukeD.Liver fluke
11. Which stage in the life cycle of schistosomes can lead to serious
lesions to man
A.SchistosomulaB.CercariaeC.Adult worm D.Egg
12.The infective stage of schistosomes is
A.Infective eggB.MetacercariaC.RadiaD.Cercaria
13. The following parasites, which can affect liver
A.Blood fluke and intestinal fluke B.Intestinal fluke and liver fluke
C.Lung fluke and intestinal fluke D.Liver fluke and blood fluke
14.Eating raw fresh water fish may lead to
A.PeunomiaB.Schistosomiasis
C.ClonorchiasisD.Paragonimiasis
15.Reading pictures and giving the right name
Fig1. egg of schistosomamansoni
Fig2. egg ofParagonimuswestermani
Fig3. egg ofFasciolopsisbuski
Fig4. Clonorchis sinensis
Fig5.Paragonimuswestermani
Fig6. Cercaria of schistosome
《Medical parasitology》Review
Part3 Cestodes
1.Which is wrong about the descriptions of pork tapeworm?
D
A.the scolex is globular in shape B.the scolex has hooklets
C.it has 4 suckers
D.pig is its definitive host
2.Cysticercosis is caused by B
A.eating measly pork
B.swallowing eggs of Taenia solium
C.swallowing eggs of Taenia saginata D.eating contaminated mutton
3.The following descriptions, which is right? A
A.nematodes have complete alimentary canal
B.trematodes have complete alimentary canal
C.cestodes have complete alimentary canal
D.cestodes have body cavity
4.The structure of tapeworm consist of: D
A.scolex B. neck C.strobila D.A, B and C
5.The developed male and female reproductive organs can be found in C
A.gravid proglottid B.immature segment
C.mature segment
D.scolex
6.Where does cysticerci live?
A
A.pig or cattle B. cattle or sheep C.goat or dog D. dog or cat
7.The following eggs , which has an operculum?
C
A.egg of blood fluke B.egg of tapeworm
C.egg of lung fluke D.egg of whipworm
8.Which egg does it contain oncosphere?
B
A.egg of blood fluke B.egg of tapeworm
C.egg of lung fluke D.egg of whipworm
9.Which egg contains a miracidium?
A
A.egg of blood fluke B.egg of tapeworm
C.egg of lung fluke
D.egg of whipworm
10.Which part is responsible for the process of strobilization of tapeworm?
A.scolex B.neck
C.mature segment D.gravid segment
11.How many segments does pork tapeworm have? C
A.200~500 B.500 ~1000 C.700~1000
D.1000~2000
12.How many segments does Taenia saginata have?
A.200~500 B.500 ~1000 C.700~1000
D
D.1000~2000
13.How many lobes does the ovary of Taenia solium have?
A.2
B.3
C.4
D. 5
14.How many lobes does the ovary of Taenia saginata have?
A.2
B.3
C.4
B
D. 5
15.The number of testes of Taenia solium is:
A.200~500 B.150~200 C.200~300
D
D.300~400
16.The number of testes of Taenia saginata is: D
A.200~500 B.150~200 C.200~300
D.300~400
A
B
17.The number of the lateral branches on each side of the median stem of the uterus
of pork tapeworm is:
C
A.20 to 30 B.10 to 15
C.7 to 13 D. 15 to 30
18.Eating undercooked measly pork maybe lead to: A
A.Taenia solium infection
B.Taenia saginata infection
C.hydatid cyst infection
D.cysticercosis
19.Which is right about cysticercosis :
B
A.it is caused by consumption measly pork
B.it can be found in brain, eye, and muscle
C.which is due to man infecting the adult worm
D. both B and C
0.Man serves as in the life cycle of Taenia solium D
A.reservoir host
B.intermediate host
C.definitive host
D. both B and C
21.Man serves as in the life cycle of Taenia saginata? C
A.reservoir host
B.intermediate host
C.definitive host
D. both B and C
22.Dog tapeworm refers to:
C
A.Taenia solium
B.Taenia saginata
C.Echinicoccus granulosus
D. pork tapeworm
23.Hydatid cyst parasitizes in or on
A.liver B.brain
D
C.lung D.A, B and C
24.The infective stage of taeniasis is
A.egg
B.cysticerci
B
C.gravid proglottids
D.hydatid cyst
25.The following structures, which does not belong to hydatid cyst? B
A.germinal layer
B.oocyst(cyst)
C.protoscolex
26.Hydatidosis(hydatid cyst) is caused by:
D.brood capsule
A
A.swallowing eggs of Echinococcus granulosus
B.eating measly pork
C.eating cysticercus of Taenia saginata
D. swallowing gravid proglottids of Taenia solium
27.Hydatid sand includes: D
A.protoscolex
B.brood capsule
C.daughter cyst
D.A to C
28.The intermediate host of Echinococcus granulosus is
A.man
B.dog
C.sheep
D.A and C
29.The manifestations of hydatidosis include D
D
A.space-occupying lesions
B.allergic reaction
C.secondary infection
D.A, B and C
30.The important infective source of hydatidosis is: A
A.dog B.man C.sheep D.cattle
31.When the protoscolex of Echinococcus granulosus swallowed by the dog, it maybe
develop to
D
A. brood capsule B.daughter capsule C.hydatid cyst D.adult worm
32.The infective stage of Taenia solium is:
A.egg B.cysticercus C.egg and cysticerci
C
D.cysticercus and hydatid cyst
33.Man can serve as both the intermediate host and the definitive host of the
following parasite: (Trichinella spiralis) A
A.pork tapeworm B.Taenia saginata
34.Which parasite can affect brain?
C.liver fluke
D.lymphatic filaria
D
A.larvae of roundworm B. hydatid cyst
C.cysticerci of pork tapeworm D. A to C
*34- Which parsite can affect brain? C,D
A.pork tapeworm
B.Taenia saginata
C.cysticerci of pork tapeworm
D.hydatid cyst of Echinococcus granulosus
35.Which is right about Echinococcus granulosus? A *35- IF which is wrong
about Echinococcus granulosus? THEN B,C,D
A.its strobila consists of 3 or 4 segments
B.the adult worm lives in the small intestine of man
C.its larvae live in the lumen of small intestine
D.the infective stage to dog is egg
36.Which parasite can lead to autoinfection?
D
A.hookworm B. Taenia saginata
C.Echinococcus granulosus
*36- IF
THEN
A.Taenia solim
D.Enterobius vermicularis
A,D
B.Taenia saginata
C.Echinococcus granulosus
D.Enterobius vermicularis
37.Which structure can help to identify the species of tapeworms?
A.the gravid proglottid B. the scolex
*37- IF
THEN
A,B,D
D
C. mature segment D. A to C
A.the gravid proglottid
C.egg
B.the scolex
D.mature segment
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
D
B
A
D
C
A
C
B
A
B
C
D
B
A
D
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
D
C
A
B
D
C
C
D
B
B
A
D
D
D
A
31
32
33
34
35
36
37
D
C
A
D
A
D
D
The quiz of cestodes
The red part is the answer of the following questions.
1.The following descriptions about cyclophyllidea cestodes, which is right?
A.Most of they are hermaphroditic
B.They donot have body cavity
C.There are hooks on their scolices
D.Tthe immature segment will develops the whole strobila
2. A tapeworm consists of
A.A scolex
B.A short neck
C.A strobila
D.A to C
3.Which is wrong about Taenia solium
A.It is platyhelminth
B.Itseggonly infectspig
C.Its gravid progllotids can detach from the strobila in a chains of 5 to 6 segments
D.Its mature segment has a 3 lobed ovary
4.The following structures, which can be used to identify the species of Taenia?
A.the scolex
B.the mature segment
C.the egg
D.the gravid progllotid
E.A to D except C
5. The following structures, which can absorb nutrient
A.the scolex
B.the mature segment
C.the villi on the tegument
D.the gravid progllotid
6.The number of testes in a mature segment of Taenia solium is
A.100 to 200 B.150 to 200 C.200 to 400 D.300 to 400
7. Which is right about Taenia saginata
A.Human serves as boththe definitive host and the intermediate host
B.Its eggs ingested by a manwill lead to taeniasis
C.There are 2 rows of hooks on its scolex
D.Its eggs can be found on the perianal skin
8. How long do the gravid progllotids pass with stool after a person eating
undercooked measly pork?
A.2 to 3 months B.2 to 3 years C.2 to 3 days D.2 to 3 hours
9.How to identify the species of Taenia spp. depending on a gravid progllotid?
A.Measuring its thickness B.Measuring its length
C.Counting its testes
D. Counting its branches of the each side of uterus
10.Adult worm of Echinococcus granulosus inhabits the small intestine of
A.pigB.ratC.dog D. cattle
11.What does it result in when eggs of Taenia saginata are ingested by a man?
A.They will develop to cysticerci
B.They will develop to the adult worms
C.Theycan not develop in the digestive tract of man
D.They will develop to a hydatid cyst
12.The
following egg, which maybe
belong to
A.Taeniasolium
B. Taeniasaginata
C. Echinococcus granulosus
D. A to C
Case analysis:
A 8-year-old boy recently presented to a local hospital for right upper quadrant pain.
A 5 cm liver cyst was seen on an ultrasound scan and magnetic resonance imaging.
Cyst fluid was sent to the provincial public health laboratory for analysis.
Figure1shows what was observed on a wet prep made from the fluid. Figure 2 is from
a smear of the fluid stained with Wright.
13.Please write the name of Fig.A or Fig.B (2´)protoscolex
14.What is your diagnosis? (2´)hydatodosis
15. The name of the cyst in the affected liver (2´)hydatid
cyst
16. How does the disease occur? (2´)due to ingestion of the eggs of
Echinoccocusgranulosus
《Medical parasitology》Review
Part 4 protozoa
1. Which parasite can be transmitted by FLY? D
A.Trichinella spiralis B. Trichomonas vaginalis
C. Plasmodium vivax D. Entamoeba histolytica
2. Blood smear can diagnose the infection of C
A. Giardia lamblia B. Trichomonas vaginalis
C. Plasmodium spp. D. Schistosoma japonicum
3. The following descriptions of Entamoeba hstolytica, which is right? B
A. Its cysts can be formed in the extra-intestinal tissues or organs.
B. It is the only pathogenetic amoeba dwelling in the large intestine.
C. When exam the faeces of a patient with chronic amoebiasis, cysts can not be found.
D. It is a multicellular in structure
4.About Entamoeba histolytica, which is right? D
A. Each mature cyst gives rise to four trophozoites during excystation in the large intestine.
B. Its cysts can lead to lytic necrosis
C. It has only one stage in its life cycle.
D. Its trophozoite has a single vesicular nucleus.
5. Which parasite can cause “STD”? C
A. Giardia lamblia
B. Plasmodium spp.
C. Trichomonas vaginalis
D. Echinococcus granulosus
6.Which is right about the following descriptions? C
A. All cestodes have incomplete digestive tracts
B. All trematodes have complete digestive tracts
C. All protozoa are unicellular in structure
D. All protozoa do not have sexual reproduction
7. Humans serve as both the definitive and the intermediate host of B
A. Giardia lamblia
B. Taenia solium
C. Trichomonas vaginalis D. Taenia saginata
8.Which parasite maybe be found by blood smear? C
A. Giardia lamblia B. Taenia solium
C. Plasmodium spp. D. Trichomonas vaginalis
9.About the infective stage of a parasite, which is right?B
A. The infective stage of Taenia saginata is their eggs
B. The infective stage of Giardia lamblia is the mature cyst
C. The infective stage of Entamoeba histolytica is the 2-nucleus cyst
D. The infective stage of Plasmodium spp. is only sporozoites
10. Which is wrong about the following descriptions? D
A. Plasmodium spp. require two hosts to finish their life cycle
B. Plasmodium vivax is prevalent in almost everywhere malaria is endemic.
C. Plasmodium falciparum can infect RBCs of all ages
D. Plasmodium vivax and Plasmodium ovale can infect only the older RBCs
11.When the female anopheles mosquito serves as a vector, it can transmit? OR Malaria is
transmitted by female Anopheles mosquito, which stage does it transmit to human during taking
blood meal? C
A. merozoite B. gametocyte C. sporozoite D.schizont
12.Which is wrong about the life cycle of Plasmodium spp.D
A. Its life cycle includes the asexual stage and the sexual stage
B. Zygotes are formed in the stomach of the female anopheles mosquito
C. Male gamete is formed by exflagellation
D. Schizogony only occurs in RBC
13. What lead to malaria paroxysm? D
A. Liberation of merozoites B. Liberation of malarial pigments
C. Liberation of RBC debrises D. A to C
14.Which stage of Plasmodium sp. can not be found in the (RBC of human) infected RBC? B
A. Ring form B. Ookinete C. Microgametes D. Schizont
15.About the trophozoite of Giardia lamblia, which is right? C
A. It is the infective stage B. It has 4 flagella
C. It will be found in the stool of an acute giardiasis
D. It has single nucleus
16. Which is right about the trophozoite of Entamoeba histolytica B (there are 2 optiopns)
A. It is non-motile form
B. RBC can be found in its cytoplasm when it invades tissue\ - or it can invade the intestine or
extraintestinal
C. It has compact nuclei D. It is the infective stage
E. It will be found in the stool of chronic amoebiasis
17.Which is wrong about Entamoeba histolytica? C
A. Infection occurs by ingestion of mature cysts
B. It can be transmitted by sex
C. The mature cyst excysts in the large intestine.
D. Poor sanitation will lead to infection
18. Which is not true about acute intestinal amoebiasis D
A. The patient has bloody mucoid diarrhea
B. Flask-shaped ulcers maybe find in the affectd intestinal wall.
C. The patient maybe have dysentery
D. Diagnosis depends on finding cysts.
19. Which Plasmodium lead to both relapse and recrudescence? D
A. Plasmodium vivax and Plasmodium falciparum
B. Plasmodium vivax and Plasmodium malariae
C. Plasmodium ovale and Plasmodium malariae
D. Plasmodium vivax and Plasmodium ovale
20. Which is wrong about Malaria? C
A. There are at least four species of plasmodium which infect humans.
B. Plasmodium vivax usually infects the young RBC
C. When testing the thin blood film infected by Plasmodium falciparum, only ring forms and
trophozoites may be found.
D. Plasmodium spp. cause serious anemia.
21. Which can lead to serious splenomegaly among the four plasmodium spp.? C
A. Plasmodium vivax
B. Plasmodium malariae
C. Plasmodium falciparum D. Plasmodium ovale
22.The parasite which maybe infect eyes includes: A
A. Cysticercus cellulosae B. Giardia lamblia
C. Taenia saginata D. Pork tapeworm
23.The exoerythrocytic stage of Plasmodium occurs in: C
A. Lung B. WBC C. Liver cell D. Marrow
24. The process of sporogony of Plasmodium spp. Includes A
A. Ookinete, oocysts, sporozoite B. Oocysts, sporozoite, ookinete
C. Ookinete, sporozoite, oocysts D. Sporozoite, ookinete, oocysts
25. Which is wrong about the ring form of Plasmodium vivax: C
A. It is very fine, its size is about 1/3 of the diameter of RBC.
B. It is the first form of the erythrocytic stage
C. Pigments of malaria can be found in its cytoplasm
D. The ring form maybe present more than one in the infected red blood cell.
26. Which parasite can lead to waterborne disease: (more than 1 answer) BCD
A. Plasmodium falciparum B. Schistosoma spp.
C. Entamoeba histolytica D. Giardia lamblia
27- Where do hydatid cysts most commonly be found in human A
A.Liver B.Bone C.Brain D.Kidney
28- Where does the adults of Echinoccus granulosus live?A
A.dog OR other canine carnivores B.cat C.human D.sheep
29- Faeces test can be used to diagnose the infection of A,D
A.Giardia lamblia B.Trichomonas vaginalis
C.Plasmodium spp. D.Schistosoma spp.
1
2
3
4
5
6
7
8
9
10
11
12
D
C
B
D
C
C
B
C
B
D
C
D
16
17
18
19
20
21
22
23
24
25
26
B
C
D
D
C
C
A
C
A
C
BCD
13
D
14
B
Answers of the quiz of medical protozoa
1.The following protozoa, which can lead to STD? B
A.Giardia lamblia and Trichomonas vaginalis
B. Entamoeba histolytica and Trichomonas vaginalis
C.Plasmodium vivax and Trichomonas vaginalis
D. Plasmodium vivax and Plasmodium falciparum
2.Relapse of malaria is caused by C
A. Plasmodium vivax and Plasmodium falciparum
B. Plasmodium ovaleand Plasmodium falciparum
C.Plasmodium vivax and Plasmodium ovale
D. Plasmodium vivax and Plasmodium malariae
3. The following parasites, which can lead to heptosplenomegaly?
A.Liver fluke
B.Plasmodium falciparum
C.Schistosoma japonicum
D. A to C
4.Which parasite does it possess a single form in its life cycle ?
A. Giardia lamblia
B. Entamoeba histolytica
C. Plasmodium vivax
D. Trichomonas vaginalis
D
D
5.The following protozoa, which does not possess locomotor apparatus?
A. Giardia lamblia
B. Entamoeba histolytica
C. Plasmodium vivax
D. Trichomonas vaginalis
B
6.The following parasites, which group can lead to waterborne disease?
A.Giardia lamblia and Trichomonas vaginalis
B. Entamoeba histolytica and Trichomonas vaginalis
C.Plasmodium vivax and Trichomonas vaginalis
D. Entamoeba histolytica and Giardia lamblia
D
15
C
7.Mosquito can transmit the following parasites: C
A.Giardia lamblia and Ascaris lumbricoides
B. Entamoeba histolytica and Trichomonas vaginalis
C.Plasmodiumspp. and lymphatic filariae
D. Plasmodium spp. and Giardia lamblia
8.The following lesions, which belongs to malaria? D
A.Anemia
B.fever
C.Splenomegaly
D.A to C
9.When we want to diagnose a chronic intestinal amoebiasis, which specimen should
be examed? A
A.Stool
B.Urine
C.Blood
D.The small intestinal mucosa
10.If a trophozoite of Entamoeba histolytica invades the large intestinal mucosa, what
should be found in its cytoplasm? A
A. RBC
B.WBC
C.Eosonophil
D.Epithelium
11. The following forms, which belongs to the erythrocytic stage?
A. Zygote
B.ring form
C.oocyst
D.gamete
12.The sexual reproduction of plasmodium takes place in
A.The liver of a man
B. The infected RBC
C.The female culex mosquito
D.The female anopheles mosquito
B
D
13.Which form of Plasmodium falciparum will be found in the thin blood smear?
A.Ring form and large trophozoite
B. Ring form and gametocyte
C.Schizont and gametocyte
D.Large trophozoite and schizont
14.The trophozoites of Entamoeba histolytica maybe invade
A.The lungs
B.The mucosa of large mucosa
C.The liver
D.A to C
D
B
15.The features of the trophozoite of Entamoeba histolytica include
A.Its pseudopodium is formed by endoplasm
B.Its endoplasm is smooth in appearance
C.It has compact nucleus
D.It is pathogenic stage
D
16.Giardiasis is
C
A.Sexuall transmitted disease
B.Foodborne disease
C.Waterborn disease
D.Zoonosis
17.When a female anopheles mosquito serves as the vector, the infective stage of
plasmodium is A
A.Sporozoite
B.Merozoite
C.Ring form
D.Oocyst
18.The following forms of plasmodium, which can survive in the stomach of a female
anopheles mosquito B
A.Schizont
B.Gametocyte
C.Large trophozoite
D.Ring form
19.Plasmodium falciparum can infect
A. The aged RBC
B.Every age of RBC
C. Reticulocytes
D.WBC
B
20.The following parasites, which group can lead to severe anemia?
A.Giardia lamblia and Trichomonas vaginalis
B.Taenia solium and hookworm
C.Plasmodium vivax and hookworm
D. Plasmodium vivax and pinworm
21. The life cycle of malaria has four phases C
A. one asexual and three sexual
B. two asexual and two sexual
C. one sexual and three asexual
D. all sexual
22. In the life cycle of malaria which stage follows the oocyst.
A. merozoites
B. sporozoites
C. schizont
D. gametes
23.The male gamete in malaria is called microgametes
B
C
24. Which is wrong about the following descriptions D
A. Ascariasis can be transmitted by fly
B. drinking unboiling water maybe lead to giardiasis
C. blood transfusion maybe lead to malaria
D. swimming maybe lead to hookworm disease
25. Which one is wrong about the cyst of E.histolytica C
A. it is non motile form
B. glycogen can be found in an immature cyst
C. it has one to four nuclei
D. it is the infective stage
26. About E.histolytica which is wrong? C
A. intestinal infections occur through the ingestion of mature cyst
B. the mature cyst excysts in the small intestine
C. it will lead to tumor in the wall of large intestine
D. its trophozoite is growing, feeding, invading and pathogenic stage
27. Which is not true about acute intestinal amoebiasis C
A. which is caused by trophozoite of E.histolytica
B. flask-shaped ulcers maybe find in the affected large intestine
C. the patient maybe have dysentery or constipation
D. diagnosis of it is to exam feces to find trophozoites
28. Extraintestinal amoebiasis: C
A. it often comes from intestinal amoebiasis
B. the cyst is the main infective stage
C. which causes patient dysentry
D. liver amoebiasis abscess mainly occurs in left lobe of liver
29. A parasite which can parasite in brain is
A. E.histolytica
B. Paragonimus westermani
C. Ascaris lumbricoides
D. All of them
D
30. Biopsy material can diagnose the infection of A
A. Trichinella spiralis
B. Giardia lamblia
C. Clonorchis sinensis
D. Trichuris trichiura
31. The following description of Entamoeba histolytica, which is not right? B
A. it is unicellular in structure
B. it is the only pathogenetic amoeba dwelling in small intestine
C. when it invades the tissues, it ingests RBCs
D. its cysts can mature in the intestine
32. Which parasite has sexual reproduction C
A. Giardia lamblia
B. Entamoeba histolytica
C. Plasmodium vivax
D. Trichmonas vaginalis
33. Which one is not the characteristics of trematodes? A
A. it needs freshwater to finish its lifecycle
B. its alimentary canal is present
C. it has an alteration of generation
MULTIPLE CHOICE
1. Medical parasitology includes 3 scopes, they are
ABC
A. Medical helminth
B. Medical protozoa
C. Medical arthropod
D. Medical parasites
E.
2. Which is the platyhelminth?
A. Roundworm
B. Liver fluke
C. Pork tapeworm
D. Lymphatic filarial
3. Extra-intestinal amoebiasis mainly affects the following organs, they are
A. Brain
B. Lung
C. Liver
D. Stomach
4. The parasite which are transmitted by mosquito are
A. Hookworm
B. Entamoeba histolytica
C. Plasmodium spp.
D. Lymphatic filariae
5. Which parasite does it cause food borne disease?
A. Liver fluke
B. Blood fluke
C. Trichinela spiralis
D. Giardia lamblia