Question 1

If a prodromal period exists for a certain disease, it should occur prior to

Accepted Answer

A)   convalescence.
B)   decline.
C)   illness.
D)   incubation.

Question 2

MMWR is a publication by the CDC that reports on only emerging diseases.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following is NOT a reservoir of infection?

Accepted Answer

A)   a sick animal
B)   a hospital
C)   a sick person
D)   a healthy person
E)   None of the answers is correct; all of these can be reservoirs of infection.

Question 4

Which of the following pairs is mismatched?

Accepted Answer

A)   influenza - droplet infection
B)   syphilis - direct contact
C)   salmonellosis - vehicle transmission
D)   malaria - vector
E)   None of the pairs is mismatched.

Question 5

Diseases that are referred to as emerging infectious diseases have only been discovered in the past fifty years.

Accepted Answer

A) True 
 B)False

Question 6

The science that deals with when diseases occur and how they are transmitted is called

Accepted Answer

A)   public health.
B)   morbidity and mortality.
C)   epidemiology.
D)   communicable disease.
E)   ecology.

Question 7

The CDC is located in

Accepted Answer

A)   Washington, DC.
B)   Atlanta, GA.
C)   Los Angeles, CA.
D)   New York City, NY.
E)   Chicago, IL.

Question 8

A researcher only needs to select a cohort group when implementing an analytical epidemiological study.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following diseases is NOT spread by droplet infection?

Accepted Answer

A)   botulism
B)   measles
C)   tuberculosis
D)   the common cold
E)   diphtheria

Question 10

A nosocomial infection is

Accepted Answer

A)   always caused by pathogenic bacteria.
B)   always caused by medical personnel.
C)   only a result of surgery.
D)   always present, but is inapparent at the time of hospitalization.
E)   acquired during the course of hospitalization.

Question 11

Compromised hosts are always suffering from suppressed immune systems.

Accepted Answer

A) True 
 B)False

Question 12

Figure 14.1  Figure 14.1 shows the incidence of influenza during a typical year. Which letter on the graph indicates the endemic level?

Accepted Answer

A)   a
B)   b
C)   c
D)   d
E)   The answer cannot be determined based on the information provided.

Question 13

One effect of washing regularly with antibacterial agents is the removal of normal microbiota. This can result in

Accepted Answer

A)   no bacterial growth because washing removes their food source.
B)   normal microbiota returning immediately.
C)   fewer diseases.
D)   increased susceptibility to disease.
E)   body odor.

Question 14

Which of the following statements about nosocomial infections is FALSE?

Accepted Answer

A)   They may be caused by drug-resistant bacteria.
B)   They may be caused by normal microbiota.
C)   They may be caused by opportunists.
D)   They occur in compromised patients.
E)   The patient was infected before hospitalization.

Question 15

Which of the following is NOT a communicable disease?

Accepted Answer

A)   malaria
B)   AIDS
C)   tetanus
D)   typhoid fever
E)   tuberculosis

Question 16

A disease in which the causative agent remains inactive for a time before producing symptoms is referred to as

Accepted Answer

A)   subclinical.
B)   latent.
C)   acute.
D)   subacute.
E)   zoonotic.

Question 17

In which of the following diseases can gender be considered a viable predisposing factor?

Accepted Answer

A)   pneumonia
B)   salmonellosis
C)   anthrax
D)   urinary tract infections
E)   tetanus

Question 18

Biological transmission differs from mechanical transmission in that biological transmission

Accepted Answer

A)   requires direct contact.
B)   occurs when a pathogen is carried on the feet of an insect.
C)   works only with noncommunicable diseases.
D)   involves reproduction of a pathogen in an arthropod vector prior to transmission.
E)   involves fomites.

Question 19

Urinary tract infections are the most common forms of nosocomial infections.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following can contribute to postoperative infections?

Accepted Answer

A)   errors in aseptic technique
B)   using syringes more than once
C)   antibiotic resistance
D)   normal microbiota on the operating room staff
E)   All of the answers are correct.

Exam 14: Principles of Disease and Epidemiology

A disease in which the causative agent remains inactive for a time before producing symptoms is referred to as

Correct AnswerverifiedShow Answer

In which of the following diseases can gender be considered a viable predisposing factor?

Correct AnswerverifiedShow Answer

A nosocomial infection is

Correct AnswerverifiedShow Answer

Which of the following diseases is NOT spread by droplet infection?

Correct AnswerverifiedShow Answer

The CDC is located in

Correct AnswerverifiedShow Answer

If a prodromal period exists for a certain disease, it should occur prior to

Correct AnswerverifiedShow Answer

Biological transmission differs from mechanical transmission in that biological transmission

Correct AnswerverifiedShow Answer

Compromised hosts are always suffering from suppressed immune systems.

Correct AnswerverifiedShow Answer

Which of the following pairs is mismatched?

Correct AnswerverifiedShow Answer

A researcher only needs to select a cohort group when implementing an analytical epidemiological study.

Correct AnswerverifiedShow Answer

Diseases that are referred to as emerging infectious diseases have only been discovered in the past fifty years.

Correct AnswerverifiedShow Answer

Which of the following can contribute to postoperative infections?

Correct AnswerverifiedShow Answer

The science that deals with when diseases occur and how they are transmitted is called

Correct AnswerverifiedShow Answer

Figure 14.1 Figure 14.1 shows the incidence of influenza during a typical year. Which letter on the graph indicates the endemic level?

Correct AnswerverifiedShow Answer

Which of the following is NOT a reservoir of infection?

Correct AnswerverifiedShow Answer

Which of the following is NOT a communicable disease?

Correct AnswerverifiedShow Answer

Which of the following statements about nosocomial infections is FALSE?

Correct AnswerverifiedShow Answer

MMWR is a publication by the CDC that reports on only emerging diseases.

Correct AnswerverifiedShow Answer

Urinary tract infections are the most common forms of nosocomial infections.

Correct AnswerverifiedShow Answer

One effect of washing regularly with antibacterial agents is the removal of normal microbiota. This can result in

Correct AnswerverifiedShow Answer

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