Deck 7: Communicable Diseases

Question 1

Which of the following statements is true of HIV?

A) It has a longer incubation period than influenza.
B) It can be transmitted before it can be detected by commonly used antibody tests.
C) Drug treatment can reduce the degree of communicability.
D) All of these are correct.

Answer 1

D

Question 2

Which of the following is a method of transmission of HIV/AIDS?

A) Intravenous drug use
B) Blood transfusions
C) Mother-to-child during childbirth
D) Breastfeeding
E) All of these are correct.

Answer 2

E

Question 3

Which of the following is true of tuberculosis (TB)?

A) Tuberculosis may remain contained in the body for decades without causing disease.
B) Isolation has been used in the past as a major strategy for controlling the spread of TB.
C) People with AIDS are at increased risk of developing active TB.
D) All of these are correct.

Answer 3

D

Question 4

Which of the following ideal criteria for elimination of a disease is addressed by the following statement: Hepatitis B can survive for extended periods of time in contaminated needles?

A) No animal reservoir.
B) Short persistence in the environment.
C) Absence of a long-term carrier state.
D) The disease and the vaccine produce long-term immunity.

Question 5

Which of the following ideal criteria for elimination of a disease is addressed by the following statement: Hepatitis B may establish a chronic infection that can lead to transmission of the disease even in the absence of symptoms?

A) No animal reservoir.
B) Short persistence in the environment.
C) Absence of a long-term carrier state.
D) The disease and the vaccine produce long-term immunity.

Question 6

Which of the following statements about Modern Koch's postulates is the most accurate?

A) Modern Koch's postulates have been established for the viral cause of HIV.
B) Modern Koch's postulates require a demonstration that the presence of an organism is sufficient to produce the disease.
C) Modern Koch's postulates are the same as Koch's postulates.
D) All of these are correct.

Question 7

All of the following are true of influenza A, except:

A) influenza A is a virus that has a rapid rate of mutation.
B) vaccination requires use of an injection of an inactivated vaccine.
C) mass production of a vaccine requires several months.
D) the success of vaccination is highly dependent on the match of the vaccine with the current strain of influenza.

Question 8

All of the following are true of the control of rabies, except:

A) the vaccine for rabies has frequent and serious side effects and should only be used when rabies exposure has been definitely established.
B) rabies has been controlled in domestic pets through widespread vaccination.
C) rabies remains common in wildlife, such as raccoons, that live near human populations in many areas of the United States.
D) despite the continued presence of rabies-infected animals in the United States, the number of cases of human rabies in the United States is very low compared to many countries of the world.

Question 9

Which of the following has been successfully used to control communicable diseases?

A) Case finding and contact tracing
B) Isolation
C) Epidemiological treatment or treatment based upon exposure
D) All of these are correct.