Question 1

An infectious agent that originates from outside the body is called ________.

Accepted Answer

A)   exogenous
B)   an exotoxin
C)   an enterotoxin
D)   endogenous
E)   axenicF) B) and E)
G) B) and D)

Question 2

Robert Koch is credited with proving the germ theory of disease; that infectious diseases are caused by specific microorganisms. In developing a series of proofs (Koch's Postulates) , he was able to determine the causative organism of anthrax was the bacteria Bacillus anthracis. Which of the following statements does not contribute to Koch's Postulates and the germ theory of disease?

Accepted Answer

A)   The causative organism must be evidenced in each subject presenting with the disease manifestations.
B)   Inoculating a healthy subject with the isolated organism must result in the reported disease manifestations.
C)   The organism must be isolated, purified and characterized from an infected individual.
D)   Each organism from a polymicrobial infection must be isolated and inoculated into a single host.
E)   The same species of organism must be isolated from the second inoculated individual.F) D) and E)
G) A) and E)

Question 3

Once a microbe has entered a host, what process performed by certain white blood cells will attempt to destroy the microbes?

Accepted Answer

A)   Phagocytosis
B)   Adhesion
C)   Encapsulation
D)   Margination
E)   ExocytosisF) B) and E)
G) None of the above

Question 4

Infection occurs when

Accepted Answer

A)   contaminants are present on the skin.
B)   a person swallows microbes in/on food.
C)   a person inhales microbes in the air.
D)   pathogens enter and multiply in body tissues.
E)   All of the choices are correct.F) A) and B)
G) A) and E)

Question 5

If the patient develops rabies infection, the time from the bite to the appearance of symptoms is referred to as the ________.

Accepted Answer

A)   incubation period
B)   prodromal stage
C)   period of invasion
D)   convalescent periodE) A) and C)
F) A) and D)

Question 6

Someone who inconspicuously harbors a pathogen and spreads it to others is a ________.

Accepted Answer

A)   fomite
B)   carrier
C)   vector
D)   reservoir
E)   sourceF) C) and E)
G) All of the above

Question 7

The spread of influenza, which is particularly widespread during the winter months, is an example of a propagated epidemic.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following is transmission of disease from mother to fetus?

Accepted Answer

A)   Vertical
B)   Direct
C)   Vector
D)   Horizontal
E)   FomitesF) A) and D)
G) D) and E)

Question 9

Opportunistic pathogens

Accepted Answer

A)   cause disease in every individual.
B)   cause disease in compromised individuals.
C)   are always pathogens.
D)   have well-developed virulence factors.
E)   None of the choices is correct.F) A) and B)
G) B) and C)

Question 10

The infectious disease RN discusses scenarios that require hand washing with germicidal soap and water instead of alcohol-based hand cleanser. Which of the following statements by a new nurse is most accurate regarding when hands should be washed with soap and water?

Accepted Answer

A)   "I should wash my hands when they are visibly contaminated."
B)   "I should wash my hands before applying gloves."
C)   "I should wash my hands after removing gloves."
D)   "I should wash my hands when they are visibly contaminated, but also before and after using gloves."E) B) and D)
F) C) and D)

Question 11

The number of new cases of a disease in a population over a specific period of time compared with the healthy population is the ________.

Accepted Answer

A)   mortality rate
B)   morbidity rate
C)   incidence rate
D)   prevalence rate
E)   epidemic rateF) C) and D)
G) A) and B)

Question 12

87 people developed diarrhea, fever and abdominal cramps in the aftermath of a wedding. On diagnosis it was determined that they were suffering from salmonella, and after taking their histories, they all reported that they had eaten the chicken at the reception. This is an example of ________.

Accepted Answer

A)   a point-source epidemic
B)   a propagated epidemic
C)   a pandemic
D)   an endemic diseaseE) All of the above
F) B) and C)

Question 13

Hyaluronidase is a virulence factor in ________.

Accepted Answer

A)   amoebic dysentery
B)   ringworm
C)   clostridia
D)   cold virus
E)   diphtheriaF) A) and E)
G) C) and D)

Question 14

An animal, such as an arthropod, that transmits a pathogen from one host to another is a ________.

Accepted Answer

A)   fomite
B)   carrier
C)   vector
D)   reservoir
E)   sourceF) All of the above
G) None of the above

Question 15

Which terminology is not used to describe members of the resident biota?

Accepted Answer

A)   Pathogenic biota
B)   Normal biota
C)   Indigenous biota
D)   Normal microbiota
E)   CommensalsF) None of the above
G) A) and C)

Question 16

The suffix -emia means ________.

Accepted Answer

A)   blood
B)   a disease or morbid process
C)   an inflammation
D)   tumor
E)   pertaining toF) B) and C)
G) A) and C)

Question 17

Which of the following statements by a new nurse demonstrates understanding of the cause of infectious disease?

Accepted Answer

A)   "All contact with infectious material leads to colonization."
B)   "All colonization leads to infection."
C)   "All infections lead to disease."
D)   "Host resistance and organism pathogenicity determine the type and severity of infection an individual will experience."E) B) and C)
F) A) and B)

Question 18

The study of the frequency and distribution of a disease in a defined population is ________.

Accepted Answer

A)   pathology
B)   clinical microbiology
C)   medicine
D)   immunology
E)   epidemiologyF) D) and E)
G) B) and C)

Question 19

Which of the following is not a normal portal of exit for an infectious disease?

Accepted Answer

A)   Removal of blood
B)   Urogenital tract and feces
C)   Coughing and sneezing
D)   Skin
E)   All of these are normal exit portals.F) B) and D)
G) A) and D)

Question 20

A symptom is ________.

Accepted Answer

A)   an objective indication of disease
B)   a subjective indication of disease
C)   measurable by health care personnel
D)   temperature
E)   None of the choices are correct.F) C) and E)
G) C) and D)

Exam 11: Interactions Between Microbes and Humans

87 people developed diarrhea, fever and abdominal cramps in the aftermath of a wedding. On diagnosis it was determined that they were suffering from salmonella, and after taking their histories, they all reported that they had eaten the chicken at the reception. This is an example of ________.

Correct Answer
verified

An animal, such as an arthropod, that transmits a pathogen from one host to another is a ________.

Correct Answer
verified

Which of the following is transmission of disease from mother to fetus?

Correct Answer
verified

The suffix -emia means ________.

Correct Answer
verified

Infection occurs when

Correct Answer
verified

An infectious agent that originates from outside the body is called ________.

Correct Answer
verified

The spread of influenza, which is particularly widespread during the winter months, is an example of a propagated epidemic.

Correct Answer
verified

Opportunistic pathogens

Correct Answer
verified

Which of the following is not a normal portal of exit for an infectious disease?

Correct Answer
verified

The study of the frequency and distribution of a disease in a defined population is ________.

Correct Answer
verified

The number of new cases of a disease in a population over a specific period of time compared with the healthy population is the ________.

Correct Answer
verified

Once a microbe has entered a host, what process performed by certain white blood cells will attempt to destroy the microbes?

Correct Answer
verified

Hyaluronidase is a virulence factor in ________.

Correct Answer
verified

Which of the following statements by a new nurse demonstrates understanding of the cause of infectious disease?

Correct Answer
verified

Someone who inconspicuously harbors a pathogen and spreads it to others is a ________.

Correct Answer
verified

The infectious disease RN discusses scenarios that require hand washing with germicidal soap and water instead of alcohol-based hand cleanser. Which of the following statements by a new nurse is most accurate regarding when hands should be washed with soap and water?

Correct Answer
verified

Correct Answer
verified

A symptom is ________.

Correct Answer
verified

If the patient develops rabies infection, the time from the bite to the appearance of symptoms is referred to as the ________.

Correct Answer
verified

Which terminology is not used to describe members of the resident biota?

Correct Answer
verified

Exam 11: Interactions Between Microbes and Humans

87 people developed diarrhea, fever and abdominal cramps in the aftermath of a wedding. On diagnosis it was determined that they were suffering from salmonella, and after taking their histories, they all reported that they had eaten the chicken at the reception. This is an example of ________.

Correct AnswerverifiedShow Answer

An animal, such as an arthropod, that transmits a pathogen from one host to another is a ________.

Correct AnswerverifiedShow Answer

Which of the following is transmission of disease from mother to fetus?

Correct AnswerverifiedShow Answer

The suffix -emia means ________.

Correct AnswerverifiedShow Answer

Infection occurs when

Correct AnswerverifiedShow Answer

An infectious agent that originates from outside the body is called ________.

Correct AnswerverifiedShow Answer

The spread of influenza, which is particularly widespread during the winter months, is an example of a propagated epidemic.

Correct AnswerverifiedShow Answer

Opportunistic pathogens

Correct AnswerverifiedShow Answer

Which of the following is not a normal portal of exit for an infectious disease?

Correct AnswerverifiedShow Answer

The study of the frequency and distribution of a disease in a defined population is ________.

Correct AnswerverifiedShow Answer

The number of new cases of a disease in a population over a specific period of time compared with the healthy population is the ________.

Correct AnswerverifiedShow Answer

Once a microbe has entered a host, what process performed by certain white blood cells will attempt to destroy the microbes?

Correct AnswerverifiedShow Answer

Hyaluronidase is a virulence factor in ________.

Correct AnswerverifiedShow Answer

Which of the following statements by a new nurse demonstrates understanding of the cause of infectious disease?

Correct AnswerverifiedShow Answer

Someone who inconspicuously harbors a pathogen and spreads it to others is a ________.

Correct AnswerverifiedShow Answer

The infectious disease RN discusses scenarios that require hand washing with germicidal soap and water instead of alcohol-based hand cleanser. Which of the following statements by a new nurse is most accurate regarding when hands should be washed with soap and water?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

A symptom is ________.

Correct AnswerverifiedShow Answer

If the patient develops rabies infection, the time from the bite to the appearance of symptoms is referred to as the ________.

Correct AnswerverifiedShow Answer

Which terminology is not used to describe members of the resident biota?

Correct AnswerverifiedShow Answer

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