31)A posotive tuberculin test indicated: a) active tuberculosis b) The person ha

Question

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

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

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

34)The most feared complication of mumps is: a) Sterility in the male 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 the above

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

Explanation / Answer

31) A posotive tuberculin test indicated: c) hypersensitivity to tuberculoprotein. Option c is correct. This is because the positive test gives hypersensitive reaction due to presence of antibodies in the blood against the tuberculin protein.

32) An individual can have several common cold infections over a short period because: a) Over 100 serologic types of rhinoviruses have been isolated . b) Each type of rhinovirus is immunologically distinct. Hence, option e is correct.

33) An effective vaccine against the common cold does not appear feasible because: a) There are over 100 different rhinoviruses. Option a is correct.

34) The most feared complication of mumps is: a) Sterility in the male. Option a is correct.

35) Smallpox can be controlled by: Vaccintion . Option c is correct.

36) Viral infections spread by respiratory secretions include measles, influenza, smallpox. Hence option d is correct.

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