Test Bank For Infection Control and Management of Hazardous Materials for the Dental Team 5th Edition by Chris H. Miller
Chapter 3
MULTIPLE CHOICE
1. Microbes that are usually harmless but can cause disease under certain conditions are called _____ pathogens.
A.
opportunistic
B.
toxigenic
C.
endogenous
D.
exogenous
ANS: A
Feedback
A
These agents cause diseases only when given a special opportunity to enter deeper tissues of the body or to accumulate to levels that can harm the body.
B
These diseases are caused by toxins released by a bacterium or fungus.
C
These diseases are caused by microbes that already exist within the body.
D
These diseases are caused by microbes that enter the body from the outside.
REF: CHAPTER INTRODUCTION, page 19 OBJ: 4
2. Microbes that cause disease by producing a toxin are called _____ pathogens.
A.
opportunistic
B.
toxigenic
C.
endogenous
D.
exogenous
ANS: B
Feedback
A
These pathogens cause diseases only when given a special opportunity to enter deeper tissues of the body or to accumulate to levels that can harm the body.
B
These pathogens are caused by toxins released by a bacterium or fungus.
C
These pathogens are caused by microbes that already exist within the body.
D
These pathogens are caused by microbes that enter the body from the outside.
REF: CHAPTER INTRODUCTION, page 19 OBJ: 5
3. Members of the normal body microbiota that can cause disease are called:
A.
obligate intracellular parasites.
B.
toxigenic pathogens.
C.
endogenous pathogens.
D.
exogenous pathogens.
ANS: C
Feedback
A
These agents (e.g., all viruses and some special bacteria) cause diseases by invading body cells.
B
These pathogens are caused by toxins released by the bacterium or fungus.
C
These pathogens are caused by microbes that already exist within the body.
D
These pathogens are caused by microbes that enter the body.
REF: CHAPTER INTRODUCTION, page 19 OBJ: 4
4. The difference between an infection and an infectious disease is that an:
A.
infection never causes an infectious disease.
B.
infection comes after the infectious disease has already started.
C.
infectious disease is an infection that causes damage to the body.
D.
infectious disease and an infection can never involve the same microbe.
ANS: C
Feedback
A
Some infections can lead to disease.
B
An infection comes first.
C
An infection does not always indicate disease, but disease (damage to the body) seldom results without infection (the exception is toxigenic diseases).
D
This is not true.
REF: Damage to the Body, page 21 OBJ: 1
5. That period of an infectious disease between the initial infection and the time when the first symptoms occur is called the _____ stage.
A.
convalescent
B.
acute
C.
prodromal
D.
incubation
ANS: D
Reviews
There are no reviews yet.