83K English class examination questions of infectious disease (A) I. Multiple choice questions (1.0 point each) 1.Pathogen of the scartler fever is: A. group A – hemolytic streptococcus B. group A – hemolytic streptococcus C. group B – hemolytic streptococcus D. group A – hemolytic streptococcus E. group C – hemolytic streptococcus 2.Which one is passive immunization? A. Typhoid vaccine B. P.P.D. C. C.Measles vaccine D. Diphtheria toxoid E. Tetanus antitoxin 3.The most common complication of the measles is: A. heart failure B. encephalitis C. laryngitis D. bronchopneumonia E. secondary infection 4.The basic features of infectious disease are? A.Infectivity,mode of transmission, immunity and epidemiologic features. B.Infectivity,immunity epidemicity and seasonal. C.Pathogen,immunity,infectivity and mode of transmission. D.Pathogen,immunity,infectivity and epidemiologic features. E.Infectivity,pathogen,immunity,epidemicity and susceptibility. 5.What is the principal measure to wipe out alimentary infectious diseases? 1 A. Isolation of source of infection. B. Patients therapy C. Protection of susceptible population. D. Cutting off the route of transmission. E. Observatoin of contactor. 6.HBsAg can not be detected in the serum of A. Patients with acute hepatitis B. B. Patients with chronic hepatitis B. C. Carriers of HBV. D. Persons who have received hepatitis B vaccines. E. Cirrhosis caused by hepatitis B virus. 7.Three factors of the infective process are: A. Source of infection,route of transmission,population of susceptibility. B. Dosage,pathogenicity and specific location of pathogen. C. Pathogen,vector and host. D. Pathogen,host and route of transmission. E. Pathogen,host and enviroment. Questions88-11 A.IgG B.IgM C.IgA D.IgE E.IgD 8.r-globulin for prevention and treatment of infectious diseases contains: 9.The most significant antibody for the early diagnosis of infectious diseases is: 10.Which can pass through the placenta? 11.Major agglutinin in serum is: Questions 12-14 A. the first day B. the second day C. the fourth day D. the fifth day E. the sixth day 12.When does the rash of chickenpox appear after onset of the disease? 2 13.When does the rash of scarlet fever appear after onset of the disease? 14.When does the rash of typhus appear after onset of the disease? 15.Pathogens invade into the host and cause mild damage of the tissues.There are no clinical manifestations or only atypical symptoms and signs.But there are specific antibodies in the serum.This condition is called: A. To clear out pathogens. B. Latent infecton C. Carrier state. D. Covert infection. E. Overt infection. 16.Which is correct in the following items? A.Most of chronic persistent hepatitis develop cirrhosis. B.There is no chronic hepatitis A. C.Hepatitis C can not develop cirrhosis. D.Chronic active hepatitis is only caused by HBV. E.Hepatocellular carcinoma is not related to HCV. 17.In acute fulminant hepatitis,the most signigicant clinical manifestation for diagnosis is: A. Progressive deep jaundice. B. Rapid shrink of the liver. C. The symptoms of C.N.S. D. Hemorrhagic tendency. E. Toxic intestinal tympanites. 18.The aim of using lactulose in fulminant hepatitis is: A. To increase the nutrition of liver. B. To supply the energy. C. To reduce the absorption of ammonia. D. To reduce the necrosis of liver cells. 3 E. To increase the regeneration of liver cells. 19.A 18 year female was HBsAg positive in health check up,but without symptoms and signs,and the liver functions were normal. In May the following year, she was admitted for fever,weakness,vomiting and jaundice of sclera.ALT 200U/L,Hb 140g/L, anti-HAV IgM(+).Anti-HBc IgG(+) HBsAg(+).The diagnosis may be: A. Acute hepatitis A(icteric type) and HBsAg chronic carrier. B. Chronic hepatitis B(CPH). C. Chronic active hepatitis B. D. Acute hepatitis A and acute hepatitis B. E. Acute hepatitis A and chronic persistent hepatitis B. 20.The most common pathogen causing icteric hepatitis in children is: A. HAV. B. HBV. C. HCV. D. HEV. E. HDV. 21.The antibody protecting human body from hepatitis B is: A. Anti-HBs B. Anti-HbcIgM C. Anti-HBcIgG. D. Anti-DNA E. Anti-HBe. 22.The patient with HBsAg(+) and HBeAg(+) has: A. No infectivity. B. Immunity. C. Inactive disease. D. Active disease. E. Infectivity. 4 23.The main route of transmission for hepatitis A is: A. By injection and blood transfusion. B. By droplets in the air. C. By saliva. D. By fecal-oral. E. By vertical transmission. 24.The most sensitive serum enzyme for diagnosing viral hepatitis is: A. AST. B. ALT. C. ALP. D. r-GT. E. LDH. 25.Human can not suffer from paragonimiasis by: A. Ingesting crayfish curd. B. Eating raw crabs and crayfishes. C. Drinking contaminated water. D. Eating raw meat of wild boar. E. Eating raw shrimps. 26.The chronic carrier of typhoid fever is that: A. The period of discharge of bacteria is no more than 1 month B. The period of discharge of bacteria is no more than 2 months C. The period of discharge of bacteria is no more than 3 months D. The period of discharge of bacteria is more than 3 months E. The period of discharge of bacteria is more than 6 months 27.What is the main factors that cause the sustained fever and toxic syptoms in typhoid fever? A. The typhoid bacilli multiply at local site and invade into blood constantly B. The typhoid bacilli multiply largely in blood 5 C. The endotoxin released by typhoid bacilli acts upon the central of regulating temperature D. Delayed allergy E. The endogenous pyrogen released by macromononuclear cells in site of lesion A girl, 6 month old, high fever 3 days, the temperature 40 ℃, the typhoid bacilli was positive in blood culture, widal test:“H” and “O”were negative. 28.What disease did the child suffer from? A. The carrier of bacilli of typhoid fever B. Ambulatory type of typhoid fever C. The common type of typhoid fever D. The bacteremia of typhoid bacillI E. No infection of typhoid fever 29.What is the main complication of this disease? A. Toxic hepatitis B. Toxic myocarditis C. Intestinal bleeding D. Intestinal perforation E. Bronchopneumonia 30.Which one is the most significant manifestation of toxic bacillary dysentery? A. Onset abruptly B. Diarrhea C. High fever,coma and convulsion D. Shock in early time E. Respiratory failure 31.Chronic bacillary dysentery relates to the following factors, except for: A. The bacteria having a strong virulence B. Treating without thorougly and not in time C. Hypotrophy D. Chronic cholecystitis E. Intestinal parasitosis Questions 32~34: 6 A. fever+abdominal pain +diarrhea+stool with pus and blood B. fever+ abdominal pain +diarrhea+stool like jams C. fever+ abdominal pain +diarrhea+watery stool D. no fever+ abdominal pain +diarrhea+watery stool E. no fever+no abdominal pain +diarrhea+watery stool 32.Ameba dysentery has: 33.Bacillary dysentery has: 34.Cholera has: 35.Since 1961,the pathogen of the 7th pandemic of cholera in the world is: A. Classical biotype B. EL-Tor biotype C. O139 biotype D. O137 biotype E. O157 biotype A female,22 years old, was hospitalized because violent diarrhea and profuse vomitting,no fever, no abdominal pain, the diarrhea is more than 10 times with a large amount of watery stool. 36.The diagnosis may be : A. Bacillary dysentery B. Poisoning of food C. C.Acute gastroenteritis D. Cholera E. Other 37.In order to make clinical diagnosis ,what is the first choice of the test? A. Blood routine B. Stool routine C. Smear of stool D. Culture of stool E. Culture of blood 7 38.According to <the prophylaxis and treatment laws of infectious disease of P.R of China>,when should this disease be reported to epidemic prevention station in town and in countryside: A.3 hours and 6 hours B.6 hours and 12 hours C.12 hours and 24 hours D.24 hours and 48 hours E.<3 hours 39.which is the most important treatment to this patient? A. Injection of cirofloxacin B. Injection of 0.9%N.S C. Injection of 5%bicarbonas solution D. Injection of humorous E. Injection of dopamine 40.A patient, with intermittent fever for 20days,and parasitic protozoa were found in blood thick smear,the most obvious sign in the patient may be: A. Anemia B. Jaudice C. Hepatomegaly D. Splenomegaly E. Herpes simplex on lips 41.the common radical treating plan of malaria is: A. Chloroquine+Pyrimethamine B. Chloroquine+Primaquine C. Quinine+ Pyrimethamine D. Quinine+ Primaquine E. Quinine+ Pyrimethamine 42.Which is the drug most easily causing the Black-Water Fever in malaria? A. Chloroquine B. Pyrimethamine 8 C. Primaquine D. Artemisinine E. Quinine 43.The classical attacks of malaria appear in following patients except for: A. The early period of tertian malaria B. Malignant malaria C. Malaria of infant D. Malaria from transfusion of blood E. The co-infection of different kinds of protozoa 44.Which change of blood picture is the most significant for the diagnosis of typhoid fever? A. Thrombocytopenia B. Leukocytosis+increased eosinophiles C. Leukopenia+decreased eosinophiles D. Lymphocytosis+ increased eosinophiles E. Lymphocytosis+decreased eosinophiles 45.The course of chronic bacillary dysentery is beyond: A. Two months B. Three months C. Six months D. One week E. One year 46.The first choice drug for treatment of typhoid fever is: A. Penecillin B. Ampicillin C. Ofloxacin D. Chloromycetin E. SMZco. 47.In bacillary dysentery,pathological changes are the most severe in: A. Cecum B. Lower part of ileum 9 C. Sigmoid and rectum D. Ascending colon E. Descending colon 48.What is the vector of transmission of malaria: A. Pig B. Rat C. Anopheles minimus D. Anopheles Hyrcanus Sinensis E. Culex Tritaenio-rhynchus 49.The examinations of cholera don‘t include: A. Direct observation of the stool B. Fecal smears C. Fecal culture D. Urine test E. Anti-bacterial agglutinin 50.Evidence of making a definite diagnosis for epidemic cerebrospinal meningitis is: A. season B. high fever, headache, vomiting and petechiae C. signs and symptoms of cerebromeningitis D. find meningococcus in petechiae E. purulent CSF 51.The most cardinal reason of bleeding in febrile period of EHF is: A. DIC B. Heparin-like substance increasing C. Thrombocytopenia and vascular injury D. Azotemia E. Coagulation factor decreasing 52. Which point is not true about poliomyelitis? A. Polio is an acute infectious disease caused by viruses. B. Most of cases are sporadic. C. Most of patients with Polio may develop into paralysis. D. This disease is often seen in children. 10 E. Polio is a preventable disease. 53.which treatment is not available in the treatment of preparalytic period of patients with Polio? A. Rest in bed and nursing. B. Oral vitamin B and vitamin C. C. Muscular injection of ribavirin D. Using hot moist pack to muscles. E. Hydrocortisone may be used for severe patients. 54. The basic pathologic change of EHF is: A. Inflammation of small blood vessels and inflammatory cell infiltration around blood vessels. B. Extensive lesions of general small blood vessels. C. Toxic damage of general capillaries. D. Damage of endothelial cells of blood vessels and lymphatic vessels. E. Direct damage of endothelial cells of capillaries. 55.The main reasons for early shock in EHF are : A. Infection. B. Blood plasma-losing C. Hypervolemia D. Hemorrhage E. Vomiting . 56. The patient had fever,lumbago,headache for three days. physical examination: drunken face , petechiae in axillary folds , chemosis, urine protein (+++), RBC 3-5/HP,WBC4-6/HP,diagnosis may be: A. Typhoid fever B. Typhus C. Acute glumerulonephritis D. Epidemic hemorrhagic fever E. Leptospirosis 11 57. Which is the correct method of liquid supplement in transitional stage of patients with EHF: A.1500ml/day B. 200ml/day C. 500~700ml/day D.Urine volume +500~700ml/day E.Urine volume+1000ml/day 58. A patient, ten years old ,was admitted to hospital in 15, August.the medical history is the following: fever ,lethargy, headache for three days Physical examination: T 40℃, coma, neck stiffness, knee reflexes were hyperactive ,Babinski‘s sign(+),CSF: transparent, cell count 100× 106/L, N 80%,Na 125mmol/L, protein:0.45g/L,glucose 3.8mmol/L ,chloride: 79%,L 21%.blood routine examination: WBC 15 ×109/L, N 80%,L20%. which diagnosis is considered most possibly? A. Epidemic cerebrospinal meningitis B. Tuberculous meningitis B C. Toxic bacillary dysentery D. Epidemic encephalitis E. Leptospirosis 59. The main source of infection of epidemic encephalitis B is: A. Patients B. Carriers C. Swine D. Mosquitoes E. Rodents 60. The main vectors of transmission in encephalitis B is: A. Culex tritaeniorhynchus B. Mites C. Anophelets aconitus D. Anopheles hyrcanus sinensis 12 E. Anopheles minimus 61. The pathological injury regions of poliomyelitis are mainly in: A. Nerve cells of brain B. Respiratory center C. Vasomotor center D. Motor neurons in anterior horn of spinal cord E. Motor neurons in posterior horn of spinal cord 62. The pathological diagnosis of EHF is mainly according to the item as follow, but excluding: A. Typical lesion of kidney B. Hemorrhage in right cardiac atrium C. Adenohypophysis lesion D. Retroperitoneal gelatinous edema E. Hemorrhage and necrosis of lungs 63. An male patient , 40 years old ,farmer was admitted for fever, headache, fatigue for 4 days. Physical examination: T 37℃, P 120 times/min, Bp 75/60 mmHg, with drunken face and petechia in chest and back skin. Physical examination of heart and lung were normal, abdominal tenderness (+).the most important examinations for this patient at this time were: A. Blood and urine routine examination B. DIC routine examination C. Blood culture D. D.X-ray examination of abdomen E. Smear examination and culture of bone barrow 64.When the pupil don’t have the same size in the patients with fulminant type of epidemic cerebrospinal meningitis, which drug is the first choice: A. antibiotics B. sedatives C. 654-2 D. steroid 13 E. dehydrant 65.The source of infection for measles is: A. chronic viral carriers B. acute patients with measles C. convalescent patients with measles D. covert infection patients with measles E. patients with subacute sclerosing panencephalitis 66. The pathological lesion regions of epidemic encephalitis B are principally in: A. Cerebral cortex and spinal cord B. Spinal cord and oblongata medulla C. Midbrain and thalamus D. Cerebral cortex, midbrain and thalamus E. Cerebral cortex, oblongata medulla and spinal cord 67. The most common reason of convulsion for epidemic encephalitis B is: A. High fever B. Hypoxia C. Inflammation of cerebral parenchyma and brain edema D. Sputum obstruction E. Hyponatremic encephalopathy 68. Which item is wrong about pathologic changes of encephalitis B? A. Swelling and necrosis of endothelial cell of blood vessel in CNS B. Degeneration and necrosis of nerve cell C. Neurogliocyte hyperplasia and inflammatory cell infiltration D. Neuronophagia E. soften focuses of spinal cord 69. The infective period of measles is: A. From 5days before eruption to 5days after eruption 14 B. From exposure to eruption C. From appearance of the koplik‘s spots to their disappearance D. From fever to eruption E. From the rash appearance to it‘s subsidence 70. The patients with leptospirosis discharge the pathogen by: A. Stool B. Urine C. Vomiting substance D. Blood E. Secretion of nose and pharynx 71. The leptospirosis is transmitted by: A. Air borne B. Insect borne C. Direct contact transmission D. Food water borne E. Indirect contact transmission 72. The main reason for death of patients with icterohemorrhagic type of leptospirosis is: A. Acute liver function failure B. Acute renal function failure C. Severe bleeding of intestine D. Pneumorrhagia E. Central respiratory failure A patient, 5 years old, was admitted to hospital in 10, August. The medical history is : high fever, coma, convulsion for 2 days Physical examination: T 40℃, P 90 times/min, Bp135/105mmHg, deep coma, irregular breathing, and the size of both pupil was not same, neck stiffness (+), examinations of heart and lungs are normal, Babinski‘s sign (+), blood routine examination: WBC 15×109/L, N 85%, L 15%. 73. The most possible diagnosis is: 15 A. Toxic bacillary dysentery, B. Epidemic encephalitis B C. Fulminant type of epidemic cerebrospinal meningitis D. Meningoencephalitis type of leptospirosis E. Brain type of malaria 74. For excluding toxic bacillary dysentery, the most simple and reliable method is: A. Stool culture B. Examination of CSF C. Stool routine examination D. Test of specific IgM antibody E. Complement fixation test 75. Which disposal to the patient is wrong? A. 20% mannitol iv drop B. To make spinal acupuncture at once for making correct diagnosis C. Physical cooling and subhibernation D. Lobelin iv E.Dexamethason iv drop 76.The first change of CSF of fulminant type of epidemic cerebrospinal meningitis is: A. Cloudy appearance B. Cells elevation C. Protein elevation D. Sugar decrease E. Pressure raise 77.The first antibiotic drug chosen in treating shock type of fulminant epidemic cerebrospinal meningitis is: A. Sulfadiazine B. Penicillin C. Ampicillin D. Chloromycetin E. ceftriaxone 78.HIV infecfion is mainly located in: 16 A. Thailand B. U.S.A C. Africa D. Japan E. Europe 79.Which cell is the target cell of HIV? A. CD8+ cells B. Mononuclear cells C. CTL D. NK cells E. CD4+ cells 80.How many years may the asymptomatic infecfion last After the infection of HIV ? A. 1year B. 20years C. 2~10years D. 2~10years or more E. 1~20years 81.The most main route of transmission for AIDS is: A. Sexual contace B. Receiving blood and blood products C. Abuser of intravenous drug D. Receiving organs or tissues E. Eating uncooked food 82.Which drug is used for the treatment of pneumocystis carinii pneumnia. A. pentamidine B. Bleomycin C. spiromycin D. clindamycin E. Gancyclovir 83.Adhere to epithelial cell of group A -hemolytic streptococcus rely on: A. Protein M B. Thythrogenic toxin C. Lipoteichoic acid 17 D. Hymolysins E. Hyaluronic acid 84.The common clinical manifestations of common form of epidemic cerebrospinal meningitis are: A. Obvious upper respiratory symptoms, headache, fever, petechiae, neck stiffness B. Abrupt onset, headache, vomiting, maculopapules on the skin, neck stiffness C. Abrupt onset, vague upper respiratory symptoms, fever, headache, petechiae in skin, neck stiffness D. Obvious symptoms of prodrome, headache, vomiting, petechiae, neck stiffness E. Abrupt onset, high fever, convulsions, hypotension, neck stiffness 85.The specific sign of measles in the prodomal period is: A. fever B. catarrhea C. rash D. Koplik’s spot E. strawberrry tongue 86.Pigmentation may be seen after rashes fade in: A. measles B. varicella C. rubella D. Scarlet fever E. typhoid fever 87.Desquamation can be seen in: A. epidemic cerebrospinal meninqitis B. scarlet fever C. rubella D. Varicella E. Herpes zoster 88.Leukopenia is ususlly seen in : A. scarlet fever 18 B. measles C.epidemic cerebropinal meningtis D. Bacillary dysentery E. Epidemic encephalitis B 89.The incubation period of SSPE is: A. 2~17 years B. 2~10 years C. 1~2 years D. 3 weeks E. E.3~5 years 90.Which one is patient with AIDS: A. PGL B. PGL+ARS C. Anti-HIV(+) D. CD4+:CD8+ <1+ anti-HIV(+) E. Anti-HIV(+)+opportunistic infection or tumor 91.How many serotypes does erythrogenic toxin have: A. 19 B. 80 C. 5 D. 10 E. 7 92.Which one is late complication of the scarlet fever: A. Otitis media B. Cellulitis C. Pharyngitis D. Septicemia E. Acute glomerulonephritis 93.Which form of epidemic cerebrospinal meningitis is the most dangerous: A. Common form B. Shock type of fulminant form C. Cerebromeningitis type of fulminant form D. Mixed type of fulminant form 19 E. Chronic septicemic form 94.Main evidence of diagnosing scarlet fever is: A. Fever, eruption in 4th day from onset, petechiae or ccchymosis B. Fever, pharyngitis, congested gooseflesh, strawberry tongue and desquamation after rash C. Finding G- diplococci in petechiae D. In blood culture finding a-hemolytic streptococcus E. Pigmentation after rash 95.Which one of the shock type of fulminant epidemic cerebrospinal meningitis is incorrect: A. Violent chills, high fever, dizziness, headache and profound weakness B. Petechiae appearing on the extremities, and rapidly increasing in number and coalescing C. Heare or respiratory failure D. Normal CSF E. Obvious meningeal irritant signs 96.Main sources of infection of leptospirosis are: A. Patients and carriers of leptospires B. Rats and pigs C. Rats and patients D. Pigs and patients E. Dogs and cats 97.The evidence of making a correct diagnosis of poliomyelitis is: A. Features of paralysis B. Changes of CSF C. Menigeal irritation sign D. Impaired consciousness E. Not any above 98.Which clinical type of poliomyelitis is the most common: A. Paralytic type 20 B. Non-paralytic type C. Brain type D. Covert infection E. Abortive infection 99.Which drug is the first choic for preventing malaria? A. Quinine B. Chloroquine C. Pyrimethamine D. Primaquine E. Mefloquine 100.Which is type A of infectious disease? A. Smallpox B. Rabies C. Poliomyelitis D. Cholera E. Scarlet fever II. Filling the blanks (1.0 point each): 1. The pathogenicity of pathogen include _____,_____,_____,_____. 2. Anti-malarial drugs are ____and____. 3. The basic pathological lesion of schistosomiasis is ____. 4. The first choice of drug for flukes is ____. 5. The intermediate hosts of clonorchiasis sinensis are ____and____. III. Answer questions briefly (2.5 points each): 1. What is the conception of incubation period and it’s significance? 2. What are the basic features of infectious disease? 3. What is Widal test and it’s role in diagnosis? 4. How can you diagnose definitely cholera ? 5. What are the pathological changes of encephalitis B ? 6. What are the features of erruption stage of measles? 21 7. What is the first chosen drug of specific treatment of leptospirosis and what should be noticed in the specific treatment? Why? 8. Where is HIV located in? IV.Answer the questions (5.0 points each): 1. 2. 3. 4. What are the pathogenesis of jaundice in viral hepatitis? What are the clinical manifestations of toxic type of acute dysentery? How does it be treated? Please give clinical manifestations of cholera during dehydration period in details and principle of fluid replacement? What are the main clinical manifestations in febrile period of epidemic hemorrhagic fever? 22