Question 1

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

Accepted Answer

A) True 
 B)False  False

Question 2

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

Accepted Answer

A) True 
 B)False  False

Question 3

When studying the epidemiology of a particular disease, why are retrospective studies commonly undertaken before prospective studies?

Accepted Answer

Retrospective studies are commonly under...

Question 4

Which of the following statements is TRUE?

Accepted Answer

A)   Symbiosis refers to different organisms living together and benefiting from each other.
B)   Members of a symbiotic relationship cannot live without each other.
C)   At least one member must benefit in a symbiotic relationship.
D)   At least one member must not benefit in a symbiotic relationship.
E)   A parasite is not in symbiosis with its host.F) B) and C)
G) B) and D)

Question 5

Situation 14.1 is an example of

Accepted Answer

A)   a zoonosis.
B)   a focal infection.
C)   a nonliving reservoir.
D)   a vector.
E)   human reservoirs.F) A) and B)
G) B) and C)

Question 6

A nosocomial infection is

Accepted Answer

A)   only a result of surgery.
B)   always caused by medical personnel.
C)   always present, but is inapparent at the time of hospitalization.
D)   always caused by pathogenic bacteria.
E)   acquired during the course of hospitalization.F) None of the above
G) All of the above

Question 7

Which of the following definitions is INCORRECT?

Accepted Answer

A)   primary infection: an initial illness
B)   chronic: a disease that develops slowly and lasts for months
C)   inapparent: infection characteristic of a carrier state
D)   secondary infection: a long- lasting illness
E)   acute: a short- lasting primary infectionF) C) and D)
G) B) and E)

Question 8

The yeast Candida albicans does not normally cause disease because of

Accepted Answer

A)   symbiotic bacteria.
B)   antagonistic bacteria.
C)   other fungi.
D)   commensal bacteria.
E)   parasitic bacteria.F) A) and B)
G) A) and D)

Question 9

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

Accepted Answer

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

Question 10

Figure 14.3
 
-The graph in Figure 14.3 shows the incidence of polio in the United States. The period between 1945 and 1955 indicates a(n)

Accepted Answer

A)   endemic level.
B)   sporadic infection.
C)   pandemic.
D)   communicable disease.
E)   epidemic level.F) D) and E)
G) None of the above

Question 11

Figure 14.4
 
-Salmonella Heidelberg gastroenteritis occurred on three cruises aboard the T.S.S. Festivale. Figure 14.4 shows on- board clinic visits for diarrheal illness between February 10 and March 3. Explain the incidence pattern shown on the graph. What are probable modes of transmission? What changes would you recommend before the ship books more cruises after March 3?

Accepted Answer

The graph in Figure 14.4 shows a sharp i...

Question 12

The major significance of Robert Koch's work is that

Accepted Answer

A)   microorganisms can be cultured.
B)   microorganisms are present in a diseased animal.
C)   microorganisms are the result of disease.
D)   diseases can be transmitted from one animal to another.
E)   microorganisms cause disease.F) A) and B)
G) A) and C)

Question 13

Symptoms of disease differ from signs of disease in that symptoms

Accepted Answer

A)   are specific for a particular disease.
B)   are changes observed by the physician.
C)   are changes felt by the patient.
D)   always occur as part of a syndrome.
E)   None of the answers is correct.F) A) and B)
G) None of the above

Question 14

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

Accepted Answer

A)   salmonellosis
B)   pneumonia
C)   urinary tract infections
D)   anthrax
E)   tetanusF) A) and B)
G) B) and D)

Question 15

A cold transmitted by a facial tissue is an example of

Accepted Answer

A)   droplet transmission.
B)   vehicle transmission.
C)   direct contact.
D)   vector.
E)   fomite.F) All of the above
G) C) and D) B

Question 16

Reservoirs of infections are always animate objects.

Accepted Answer

A) True 
 B)False

Question 17

In which of the following patterns of disease does the patient experience no signs or symptoms?

Accepted Answer

A)   decline
B)   prodromal
C)   convalescence
D)   incubation
E)   incubation and convalescenceF) C) and E)
G) B) and E)

Question 18

Which of the following pairs is mismatched?

Accepted Answer

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

Question 19

Figure 14.2
 
-In Figure 14.2, when is the prevalence the highest?

Accepted Answer

A)   February
B)   March
C)   July
D)   January
E)   The answer cannot be determined based on the information provided.F) All of the above
G) B) and D)

Question 20

A commensal bacterium

Accepted Answer

A)   may also be an opportunistic pathogen.
B)   is beneficial to its host.
C)   does not receive any benefit from its host.
D)   does not infect its host.
E)   is beneficial to, and does not infect, its host.F) A) and B)
G) A) and C)

Exam 14: Principles of Disease and Epidemiology

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

Correct Answer
verified
False

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

Correct Answer
verified
False

When studying the epidemiology of a particular disease, why are retrospective studies commonly undertaken before prospective studies?

Correct Answer
Answered by ExamLex AI
Retrospective studies are commonly under...
View Answer

Which of the following statements is TRUE?

Correct Answer
verified

Situation 14.1 is an example of

Correct Answer
verified

A nosocomial infection is

Correct Answer
verified

Which of the following definitions is INCORRECT?

Correct Answer
verified

The yeast Candida albicans does not normally cause disease because of

Correct Answer
verified

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

Correct Answer
verified

Figure 14.3 -The graph in Figure 14.3 shows the incidence of polio in the United States. The period between 1945 and 1955 indicates a(n)

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
The graph in Figure 14.4 shows a sharp i...
View Answer

The major significance of Robert Koch's work is that

Correct Answer
verified

Symptoms of disease differ from signs of disease in that symptoms

Correct Answer
verified

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

Correct Answer
verified

A cold transmitted by a facial tissue is an example of

Correct Answer
verified
B

Reservoirs of infections are always animate objects.

Correct Answer
verified

In which of the following patterns of disease does the patient experience no signs or symptoms?

Correct Answer
verified

Which of the following pairs is mismatched?

Correct Answer
verified

Figure 14.2 -In Figure 14.2, when is the prevalence the highest?

Correct Answer
verified

A commensal bacterium

Correct Answer
verified

Exam 14: Principles of Disease and Epidemiology

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

Correct AnswerverifiedFalse

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

Correct AnswerverifiedFalse

When studying the epidemiology of a particular disease, why are retrospective studies commonly undertaken before prospective studies?

Correct AnswerAnswered by ExamLex AIRetrospective studies are commonly under...View AnswerShow Answer

Which of the following statements is TRUE?

Correct AnswerverifiedShow Answer

Situation 14.1 is an example of

Correct AnswerverifiedShow Answer

A nosocomial infection is

Correct AnswerverifiedShow Answer

Which of the following definitions is INCORRECT?

Correct AnswerverifiedShow Answer

The yeast Candida albicans does not normally cause disease because of

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Figure 14.3 -The graph in Figure 14.3 shows the incidence of polio in the United States. The period between 1945 and 1955 indicates a(n)

Correct AnswerverifiedShow Answer

Correct AnswerAnswered by ExamLex AIThe graph in Figure 14.4 shows a sharp i...View AnswerShow Answer

The major significance of Robert Koch's work is that

Correct AnswerverifiedShow Answer

Symptoms of disease differ from signs of disease in that symptoms

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A cold transmitted by a facial tissue is an example of

Correct AnswerverifiedB

Reservoirs of infections are always animate objects.

Correct AnswerverifiedShow Answer

In which of the following patterns of disease does the patient experience no signs or symptoms?

Correct AnswerverifiedShow Answer

Which of the following pairs is mismatched?

Correct AnswerverifiedShow Answer

Figure 14.2 -In Figure 14.2, when is the prevalence the highest?

Correct AnswerverifiedShow Answer

A commensal bacterium

Correct AnswerverifiedShow Answer

Correct Answer
verified
False

Correct Answer
verified
False

Correct Answer
Answered by ExamLex AI
Retrospective studies are commonly under...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
The graph in Figure 14.4 shows a sharp i...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
B

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified