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43)The causative agent of syphillis: a) Neisseria gonorrheae b)Treponema pallidum c) Chlamydia d) Haemophilus ducreyi e) None ofthe abobe

44)The gonococcus is morphologically similar to: a) Treponemzpallidum b) Meningococcus c) Staphylococcus d) Streptococcus e)None of the above

45)Which of the following disease agents may be tranmittedthrough sexual intercourse? a) Haemophilus ducreyi b) Chlamydia c)Trichomonas vaginalis d) All of the above e) Only A and B above

46)Staphylococci can readily be differential from streptococciin that : a)Gram stain will show different arrangemetsb)streptococci are catalase negative c) staphylococci are catalasenegative d) only A and C e)onlyA and B

47) Characteristics associated with virulent staphylococciinclude: a) Coagulase positive b)Fermentation of mannitol c) Betatype hemolysis on blood agar d)all of the above e) only A and C

48) The basic lesion produced by staphylococci is : a)abscessb)ulcer c)varicose veins d)Impetigo e)none of the above

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Keith Leannon
Keith LeannonLv2
28 Sep 2019
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21)Diagnosis of infectious diseases may include the followinglevels: a) ckinical b) Antibody response c) Isolation andidentification of the causative agent d) All of the above e) Noneof the above

22)The lower respiratory tract is ususally kept free ofmicroorganisms by: a) The combined action of mucus secretion andciliary action b) Antibiotics c) Frequent use of nose drops d) Allof the above e) None of the above

23)Complications following recovery from acute infections byB-streptococci may include: a)Erysipelas b) rheumatic fever c)Acute glomerulonephritis d) Only B and C above e)All of theabove

24)he virulwnce of the pneumococcus appears to be solelydependent on: a) Leukocidins b) Hyaluronidase c) Capsule d)Hemolysins e) None of the above

25)The organism responsible for most cases of acute bacterialmeningitis in the aduly is: a) Haemophilus influenzae b)diplococcus pneumoniaenc) Neisseria catarrhalis d) Neisseriameningitidis e) None of the above

26)The source of most meningococcal infections is: a) Healthycarrier b) Direct contact with an acute infection c) Contaminatedwater d) Insect vectors e) None of the above

27)Local inflammation and fever in whooping cough may be due tothe release of: a) Exotoxins b) Endotoxins c) Extracellular enzymesd) Only A and B above e) None of the above

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29)The most important preventive measure for diphtheria is: a)Avoid infected persons b) Immunizaton with diphtheria toxoid c)Immunization with diphtheria antitoxin d) Antibiotic prophylaxis e)None of the above

30)A point to note in relation to tuberculosis is: a) It isalways acute b) It is always chronic c) The outcome of the strugglebetween the tubercle bacillus and the hist may not be decided formany years d) The disease is always confined to the lungs e) Noneof the above

31)A posotive tuberculin test indicated: a) active tuberculosisb) The person has been infected with tubercle bacilli c)hypersensitivity to tuberculoprotein d) None of the above e) Only Band C above

32)An individual can have several common cold infections over ashort period because: a) Over 100 serologic types of rhinoviruseshave been isolated b) Each type of rhinovirus is immunologicallydistinct c) No immunity results from any virus infection d) All ofthe above e) Only A and B above

33)An effective vaccine against the common cold does not appearfeasible because: a) There are over 100 different rhinoviruses b)There is no immunity to rhinoviruses c) rhinoviruses cannot becultivated insufficient quantity d) Rhinoviruses cannot beattenuated for safe use e) none of the above

34)The most feared complication of mumps is: a) Sterility in themale b) Infertility in the female c) Pneumonia d) Endocarditis e)None of the above

35)Smallpox can be controlled by: a) Antibiotics b) Antiserum c)Vaccintion d) Isolation of infected persons e) none of theabove

36)Which of the following may be spread by respiratorysecretions? a) Measles b) INFLUENZA C) smallpox d) All of the abovee) only A and C above

37)which of the following genera are lactose-fermenters? a)Excherichia b) Enterobacter c) Salmonella and shingella d) All ofthe above e) Only A and B above

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39)Poliomyelitis is spread primarily by: a) Respiratorysecretions b) Droplet nuclei c) Feca-oral route d) Only A and Babove

40)The most common method for the transmission of serumhepatitis is: a) direct injection b) Respiratory secretions c)Fomities d) Contaminated water e) None of the above

41)The infective source for amebic dysentery is: a) Chickens b)Chronically infected persons c) carriers d) All of the above e)Only B and C above

42)Urinary tract infections are most commonly caused by: a)Gram-negative bacilli b) gram-positive cocci c) gram-positivebacilli d) Gram-negative cocci e) None of the above

43)The causative agent of syphillis: a) Neisseria gonorrheae b)Treponema pallidum c) Chlamydia d) Haemophilus ducreyi e) None ofthe abobe

44)The gonococcus is morphologically similar to: a) Treponemzpallidum b) Meningococcus c) Staphylococcus d) Streptococcus e)None of the above

45)Which of the following disease agents may be tranmittedthrough sexual intercourse? a) Haemophilus ducreyi b) Chlamydia c)Trichomonas vaginalis d) All of the above e) Only A and B above

21)Diagnosis of infectious diseases may include the followinglevels: a) ckinical b) Antibody response c) Isolation andidentification of the causative agent d) All of the above e) Noneof the above

22)The lower respiratory tract is ususally kept free ofmicroorganisms by: a) The combined action of mucus secretion andciliary action b) Antibiotics c) Frequent use of nose drops d) Allof the above e) None of the above

23)Complications following recovery from acute infections byB-streptococci may include: a)Erysipelas b) rheumatic fever c)Acute glomerulonephritis d) Only B and C above e)All of theabove

24)he virulwnce of the pneumococcus appears to be solelydependent on: a) Leukocidins b) Hyaluronidase c) Capsule d)Hemolysins e) None of the above

25)The organism responsible for most cases of acute bacterialmeningitis in the aduly is: a) Haemophilus influenzae b)diplococcus pneumoniaenc) Neisseria catarrhalis d) Neisseriameningitidis e) None of the above

26)The source of most meningococcal infections is: a) Healthycarrier b) Direct contact with an acute infection c) Contaminatedwater d) Insect vectors e) None of the above

27)Local inflammation and fever in whooping cough may be due tothe release of: a) Exotoxins b) Endotoxins c) Extracellular enzymesd) Only A and B above e) None of the above

28)The severity of diphtheria is due to: a) Action of exotoxinb) Action of endotoxins c) Infection following tracheotomy d) Allof the above e) none of the above

29)The most important preventive measure for diphtheria is: a)Avoid infected persons b) Immunizaton with diphtheria toxoid c)Immunization with diphtheria antitoxin d) Antibiotic prophylaxis e)None of the above

30)A point to note in relation to tuberculosis is: a) It isalways acute b) It is always chronic c) The outcome of the strugglebetween the tubercle bacillus and the hist may not be decided formany years d) The disease is always confined to the lungs e) Noneof the above

31)A posotive tuberculin test indicated: a) active tuberculosisb) The person has been infected with tubercle bacilli c)hypersensitivity to tuberculoprotein d) None of the above e) Only Band C above

32)An individual can have several common cold infections over ashort period because: a) Over 100 serologic types of rhinoviruseshave been isolated b) Each type of rhinovirus is immunologicallydistinct c) No immunity results from any virus infection d) All ofthe above e) Only A and B above

33)An effective vaccine against the common cold does not appearfeasible because: a) There are over 100 different rhinoviruses b)There is no immunity to rhinoviruses c) rhinoviruses cannot becultivated insufficient quantity d) Rhinoviruses cannot beattenuated for safe use e) none of the above

34)The most feared complication of mumps is: a) Sterility in themale b) Infertility in the female c) Pneumonia d) Endocarditis e)None of the above

35)Smallpox can be controlled by: a) Antibiotics b) Antiserum c)Vaccintion d) Isolation of infected persons e) none of theabove

36)Which of the following may be spread by respiratorysecretions? a) Measles b) INFLUENZA C) smallpox d) All of the abovee) only A and C above

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39)Poliomyelitis is spread primarily by: a) Respiratorysecretions b) Droplet nuclei c) Feca-oral route d) Only A and Babove

40)The most common method for the transmission of serumhepatitis is: a) direct injection b) Respiratory secretions c)Fomities d) Contaminated water e) None of the above

41)The infective source for amebic dysentery is: a) Chickens b)Chronically infected persons c) carriers d) All of the above e)Only B and C above

42)Urinary tract infections are most commonly caused by: a)Gram-negative bacilli b) gram-positive cocci c) gram-positivebacilli d) Gram-negative cocci e) None of the above

43)The causative agent of syphillis: a) Neisseria gonorrheae b)Treponema pallidum c) Chlamydia d) Haemophilus ducreyi e) None ofthe abobe

44)The gonococcus is morphologically similar to: a) Treponemzpallidum b) Meningococcus c) Staphylococcus d) Streptococcus e)None of the above

45)Which of the following disease agents may be tranmittedthrough sexual intercourse? a) Haemophilus ducreyi b) Chlamydia c)Trichomonas vaginalis d) All of the above e) Only A and B above

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2) A viral vaccine for the common cold probably would not bebeneficial because: a) A pure culture cannot be frown in tissuecultures b) A multiplicity of viral agents is responsible for thecommon cold c) Immunity is of brief duration d) All of the above e)None of the above

3)A point to note in relation to tuberculosis is: a) It isalways acute b) It is always chronic c) The outcome of the strugglebetween the tubercle bacillus and the hist may not be decided formany years d) The disease is always confined to the lungs e) Noneof the above

4) Characteristics associated with virulent staphylococciinclude: a) Coagulase positive b)Fermentation of mannitol c) Betatype hemolysis on blood agar d)all of the above e) only A and C

5) The basic lesion produced by staphylococci is : a)abscessb)ulcer c)varicose veins d)Impetigo e)none of the above

6)The most common method for the transmission of serum hepatitisis: a) direct injection b) Respiratory secretions c) Fomities d)Contaminated water e) None of the above

7)The direct cause of the symptoms of tetanus is: a)Endotoxinb)Exotoxin c)Toxic effect of the cell d)Hemolysins e)none of theabove

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