‫وزارة التعليم العالي‬
‫جامعة المجمعة‬
‫كلية العلوم الطبية التطبيقية‬
‫قسم علوم المختبرات الطبية‬
Ministry of Higher Education
Majmaah University
College of Applied Medical Sciences
Department of Medical Laboratory
WEEK 10
Name of Instructor: Dr. Omar Amer
Location: Majmaah male campus
MCQ:
Please find the proper answer of the following:
1. Nematodes have body which is:
a. Cylindrical with one opening mouth only
b. Elongated with both ends pointed mouth and anus
c. Rounded body that’s why called as round worms.
d. All covered by hard cuticle.
2. Helminthes of Phylum Nematoda are characterized by the following
EXCEPT:
a. Parasitic as well as free living.
b. Females usually shorter and thinner than males.
c. Males has ventrally curved posterior end.
d. Have mouth and anus.
3. Loeffler’s syndrome is due to:
a. Adult Ascaris worms in the intestine.
b. Migration of adult Ascaris to ectopic foci.
c. Inflammatory reaction in the lung due to Ascaris larva.
d. Sensitization against Ascaris antigen.
4. Infective stage of Ascaris lumbricoides is:
a. Unfertilized eggs.
b. Decorticated fertilized eggs.
c. Decorticated unfertilized eggs.
d. Fertilized egg with second stage larva.
5. The method most often used in diagnosis of ascariasis is:
a. Hatching-sedimentation method
b. Cellophane tape impression
c. Direct fecal smear
d. Sedimentation method
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6. i. feed on intestinal contents
ii. Heavy infections – malnutrition
iii. Stunting, retarded cognitive development
iv. Obstruction in massive infections ->death
v. penetrate->peritonitis->death
a. Ascaris pathology - normal activities
b. Ascaris pathology - liver
c. Ascaris pathology - intestine
d. Ascaris pathology - lungs
7. They phylum that all roundworms belong to:
a. testis
b. Nematoda
c. vagina
d. Animalia
8. Eggs in feces, larvae hatch out in intestine, go into blood, heart, lungs,
pharynx, epiglottis, and then intestine. Adults in intestine:
a. Location of egg, larvae and adult
b. Infective stage
c. Treatment, prevention
d. Intermediate host
9. Proper disposal of feces, washing of food and hands:
a. Treatment, prevention
b. Regions
c. Contamination
d. Common name
10. Each of the following statements concerning Ascaris lumbricoides is
correct except:
a. Ascaris lumbricoides is one of the largest nematode
b. Ascaris lumbricoides can cause pneumonia
c. Both dogs and cats are intermediate host of Ascaris lumbricoides
d. A lumbricoides is transmitted by ingestion of eggs
11. albendazole, mebendazole
a. treatment
b. Where?
c. symptoms
d. Obstructions
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12. i. majority: asymptomatic
ii. First signs: chest pain, cough, fever
iii. Loeffler’s syndrome: X-rays look like acute TB
iv. 2nd stage symptomatic: diarrhea, digestive problems, vomiting.
a. Where?
b. treatment
c. symptoms
d. diagnosis
13. ova passes in feces & develop to fertilized in moist water or soil, while
still in the egg/ova they go through to a 2nd stage of larvae and this is
infective. In us the egg hatches in the duodenum and releases the larvae,
the larvae travel to the lungs and then mature & molt twice and go to
small intestine where they become adults.
a. treatment
b. Where?
c. diagnosis
d. Life cycle
SAQ:
1. How to prevent the ascariasis.
2. How to explain the symptoms of Ascaris lumbricoides.
Name of Instructor: Dr. Heavin Hannan
Location: Majmaah female campus
MCQ:
Please find the proper answer of the following:
1. What parasite/s has a blood-lung phase in the life cycle?
a. Ascaris lumbricoides
b. Strongyloides stercoralis
c. Enterobius vermicularis
d. A & B
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2. The adults and migrating larvae are the pathogenic stages of
a. Ascaris lumbricoides
b. Strongyloides stercoralis
c. Enterobius vermicularis
d. A &C.
3. What parasite/s may produce Loeffler’s syndrome to man?
a. Ascaris lumbricoides
b. Schistosoma mansoni.
C.Enterobius vermicularis
d. Trichuris trichiura
4. Stage/s of the parasite that may produce Loeffler’s syndrome to man.
a. Adult
b. Larva
c. Egg
d. A & C
5. The usual manner of transmission by the parasite is by skin penetration.
a. Necator americanus
b. Ascaris lumbricoides
c. Strongyloides stercoralis
d. A & C.
6. What parasite shows Tramway sign in the X- ray?
a. Ascaris lumbricoides
b. Necator americanus
c. Enterobius vermicularis
d. Trichuris trichiura
7. What parasite whose migrating larvae break the pulmonary capillaries of
man?
a. Ancylostoma braziliense
b. Enterobius vermicularis
c. Ascaris lumbricoides
d. Trichuris trichiura
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8. Which of the following statements about soil-transmitted helminthiasis is
false?
a. Symptoms include diarrhea, abdominal pain, general malaise and weakness
b. Ancylostoma duodenale infects 1.2 billion people
c. Hookworms can cause intestinal blood loss
d. Soil-transmitted helminthiasis infection may impair physical growth in children
9. Worldwide, the most prevalent helminth to infect human is:
a. Enterobius vermicularis.
b. Ascaris lumbricoides.
c. Schistosoma mansoni
d. Strongyloides stercoralis
SAQ:
1. Mention the parasite that cause Loeffler’s syndrome
2. describe Ascaris lumbricoides regarding
- Infection
- Shape of egg.
Name of Instructor: Dr. Mosaab Omar
Location: Zulfi campus
MCQ:
1. They are un-segmented, elongated and cylindrical. They have separate
sexes with separate appearances. They have a tough protective covering or
cuticle. They have a complete digestive tract with both oral and anal
openings. The previously mentioned statement complies with the
descriptions of:
a. Cestoda
b. Trematoda
c. Nematoda
d. Acanthocephala
2. The infective stage of Ascaris lumbricoides is:
a. The egg containing larva
b. Immature Egg
c. Larva
d. Oocyst
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3. Loffler's syndrome is caused by:
a. Ascaris larva when reach lungs
b. Ascaris adult in the intestine
c. Ancylostoma adult
d. Loa loa larva
4. The drug of choice in treatment of Ascaris lumbricoides infection is:
a. Mebendazole
b. Albendazole
c. Piperazine
d. All of them
5. Human get infected with Ancylostoma duodenale through:
a. Ingestion of the egg
b. Insect bite
c. Sexual contact
d. The filariform larvae by skin penetration
6. Adult worms in the intestine feed on blood causing iron deficiency anemia.
The larvae may cause inflammation of the lungs:
a. Pathogenicity
b. Diagnosis
c. Treatment
d. Distribution
7. Cutaneous larva migrans (Creeping eruption) is caused by:
a. Ancylostoma braziliense larva
b. Ancylostoma caninum larva
c. Ascaris lumbricoides larva
d. Both a and b
8. Visceral larva migrans is caused by:
a. Ascaris larva
b. Enterobius vermicularis
c. Entamoeba histolytica
d. None of them
9. Which one of the following helminths is facultative parasite:
a. Strongyloides stercoralis
b. Ascaris lumbricoides
c. Ancylostoma duodenale
d. Schistosoma mansoni
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10. Diagnosis of Strongyloides stercoralis is achieved by:
a. Detection of characteristic Egg
b. Detection of rhabditiform larvae in stool
c. Detection of oocyst
d. Both a and b
11. Pin worm is…
a. Enterobius vermicularis
b. Ascaris
c. Strongyloides
d. Trichuris
12. Enterobius vermicularis can be transmitted to human through:
a. Fecal oral route
b. Autoinfection
c. Aerosol inhalation from
d. All of them
SAQ:
1. Methods of Enterobius vermicularis diagnosis.
2. Pathogenicity of Ascaris lumbricoides.
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