Question 1

The number of persons afflicted with an infectious disease is the _____ rate.

Accepted Answer

A)  morbidity
B)  mortality
C)  incidence
D)  endemic
E)  pandemicF) B) and D)
G) C) and D)

Question 2

______ carriers are shedding and transmitting pathogens a long time after they have recovered from an infectious disease.

Accepted Answer

A)  Asymptomatic
B)  Passive
C)  Incubation
D)  Chronic
E)  ConvalescentF) A) and D)
G) B) and E)

Question 3

The minimum number of microbes required for infection to proceed is termed

Accepted Answer

A)  virulence factor.
B)  indigenous biota.
C)  infectious dose.
D)  endotoxin.
E)  minimal dose.F) A) and B)
G) A) and E)

Question 4

Under certain circumstances,a person's resident biota can act as opportunistic pathogens.

Accepted Answer

A) True 
 B)False

Question 5

An infectious agent that originates from outside the body is called

Accepted Answer

A)  exogenous.
B)  an exotoxin.
C)  an enterotoxin.
D)  endogenous.
E)  axenic.F) A) and E)
G) A) and B)

Question 6

Virulence factors include all of the following except

Accepted Answer

A)  capsules.
B)  ribosomes.
C)  exoenzymes.
D)  endotoxin.
E)  exotoxin.F) None of the above
G) B) and D)

Question 7

The primary,natural habitat of a pathogen where it continues to exist is called the

Accepted Answer

A)  fomite.
B)  carrier.
C)  vector.
D)  reservoir.
E)  source.F) A) and B)
G) A) and C)

Question 8

Local edema,swollen lymph nodes,fever,soreness,and abscesses are indications of

Accepted Answer

A)  toxemia.
B)  inflammation.
C)  sequelae.
D)  a syndrome.
E)  latency.F) D) and E)
G) A) and E)

Question 9

All of the following genera are considered resident biota of skin sites except

Accepted Answer

A)  Escherichia.
B)  Staphylococcus.
C)  Corynebacterium.
D)  Micrococcus.
E)  Candida.F) B) and E)
G) C) and E)

Question 10

A laboratory technologist splashed a blood specimen onto his face,eyes,nose,and mouth.This specimen was from an HIV positive patient.If this blood exposure leads to HIV infection in the technologist,the transmission route is

Accepted Answer

A)  direct.
B)  fomite.
C)  vehicle.
D)  droplet nuclei.
E)  aerosol.F) C) and D)
G) A) and E)

Question 11

The total number of deaths in a population due to a disease is the _____ rate.

Accepted Answer

A)  morbidity
B)  mortality
C)  incidence
D)  endemic
E)  pandemicF) A) and C)
G) A) and B)

Question 12

The greatest number of pathogens enter the body through the

Accepted Answer

A)  respiratory system.
B)  gastrointestinal system.
C)  urinary system.
D)  genital system.
E)  skin.F) C) and D)
G) B) and E)

Question 13

The virulence factors of a pathogen are determined by how strong or weak a patient's body defenses are at the time of infection.

Accepted Answer

A) True 
 B)False

Question 14

The term infection refers to

Accepted Answer

A)  microorganisms colonizing the body.
B)  contact with microorganisms.
C)  contact with pathogens.
D)  pathogens penetrating host defenses.E) None of the above
F) B) and D)

Question 15

In the movie "Contagion",one person who has become infected with a recombinant pathogenic virus spreads it to a large number of people who she comes in contact with.Those people then spread it to others,and,before you know it,the disease has spread all over the world.This is an example of a _______ epidemic.

Accepted Answer

A)  point-source
B)  common-source
C)  propagated
D)  endemicE) All of the above
F) A) and D)

Question 16

The subjective evidence of disease sensed by the patient is termed a/an

Accepted Answer

A)  syndrome.
B)  symptom.
C)  sign.
D)  pathology.
E)  inflammation.F) B) and C)
G) C) and D)

Question 17

Which is not true about the Human Microbiome Project?

Accepted Answer

A)  The HMP can only identify bacteria,not viruses.
B)  The importance of the project is in analyzing the normal biota and correlating with human health and disease.
C)  The HMP is looking for pathogens as well as nonpathogens in and on the human body.
D)  Molecular biological lab techniques will be used for identification rather than standard biochemical lab techniques.E) B) and C)
F) None of the above

Question 18

Which of the following is not a normal portal of exit of 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) A) and D)
G) B) and E)

Question 19

An infectious agent already existing on or in the body is called

Accepted Answer

A)  exogenous.
B)  an exotoxin.
C)  an enterotoxin.
D)  endogenous.
E)  axenic.F) A) and B)
G) B) and E)

Question 20

Which of the following is not true of endogenous retroviruses?

Accepted Answer

A)  ERVs are part of the normal biota.
B)  ERVs are vital for placental development in sheep.
C)  ERVs cause disease.
D)  ERVs fight off pathogenic viruses.E) None of the above
F) A) and D)

Exam 13: Microbe-Human Interactions: Infection and Disease

An infectious agent that originates from outside the body is called

Correct Answer
verified

The subjective evidence of disease sensed by the patient is termed a/an

Correct Answer
verified

Virulence factors include all of the following except

Correct Answer
verified

The minimum number of microbes required for infection to proceed is termed

Correct Answer
verified

The virulence factors of a pathogen are determined by how strong or weak a patient's body defenses are at the time of infection.

Correct Answer
verified

______ carriers are shedding and transmitting pathogens a long time after they have recovered from an infectious disease.

Correct Answer
verified

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

Correct Answer
verified

An infectious agent already existing on or in the body is called

Correct Answer
verified

The term infection refers to

Correct Answer
verified

The primary,natural habitat of a pathogen where it continues to exist is called the

Correct Answer
verified

All of the following genera are considered resident biota of skin sites except

Correct Answer
verified

Correct Answer
verified

The greatest number of pathogens enter the body through the

Correct Answer
verified

Which is not true about the Human Microbiome Project?

Correct Answer
verified

The number of persons afflicted with an infectious disease is the _____ rate.

Correct Answer
verified

Local edema,swollen lymph nodes,fever,soreness,and abscesses are indications of

Correct Answer
verified

The total number of deaths in a population due to a disease is the _____ rate.

Correct Answer
verified

Under certain circumstances,a person's resident biota can act as opportunistic pathogens.

Correct Answer
verified

A laboratory technologist splashed a blood specimen onto his face,eyes,nose,and mouth.This specimen was from an HIV positive patient.If this blood exposure leads to HIV infection in the technologist,the transmission route is

Correct Answer
verified

Which of the following is not true of endogenous retroviruses?

Correct Answer
verified

Exam 13: Microbe-Human Interactions: Infection and Disease

An infectious agent that originates from outside the body is called

Correct AnswerverifiedShow Answer

The subjective evidence of disease sensed by the patient is termed a/an

Correct AnswerverifiedShow Answer

Virulence factors include all of the following except

Correct AnswerverifiedShow Answer

The minimum number of microbes required for infection to proceed is termed

Correct AnswerverifiedShow Answer

The virulence factors of a pathogen are determined by how strong or weak a patient's body defenses are at the time of infection.

Correct AnswerverifiedShow Answer

______ carriers are shedding and transmitting pathogens a long time after they have recovered from an infectious disease.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

An infectious agent already existing on or in the body is called

Correct AnswerverifiedShow Answer

The term infection refers to

Correct AnswerverifiedShow Answer

The primary,natural habitat of a pathogen where it continues to exist is called the

Correct AnswerverifiedShow Answer

All of the following genera are considered resident biota of skin sites except

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The greatest number of pathogens enter the body through the

Correct AnswerverifiedShow Answer

Which is not true about the Human Microbiome Project?

Correct AnswerverifiedShow Answer

The number of persons afflicted with an infectious disease is the _____ rate.

Correct AnswerverifiedShow Answer

Local edema,swollen lymph nodes,fever,soreness,and abscesses are indications of

Correct AnswerverifiedShow Answer

The total number of deaths in a population due to a disease is the _____ rate.

Correct AnswerverifiedShow Answer

Under certain circumstances,a person's resident biota can act as opportunistic pathogens.

Correct AnswerverifiedShow Answer

A laboratory technologist splashed a blood specimen onto his face,eyes,nose,and mouth.This specimen was from an HIV positive patient.If this blood exposure leads to HIV infection in the technologist,the transmission route is

Correct AnswerverifiedShow Answer

Which of the following is not true of endogenous retroviruses?

Correct AnswerverifiedShow Answer

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