Question 1

Which of the following does not illustrate the use of universal precaution methods in the handling of patients and body substances?

Accepted Answer

A)   Mask and gloves
B)   Proper disposal of needles
C)   Healthcare worker with active, open lesions handling patients
D)   Hand washing
E)   Sterilizing or disinfection of dental hand piecesF) A) and E)
G) None of the above

Question 2

What is one goal of the Human Microbiome Project?

Accepted Answer

A)   To sequence the DNA of all microorganisms
B)   To study the prevalence of disease
C)   To study microorganisms in an arti?cial habitat
D)   To provide comprehensive characterization of microbiota relating to human health and disease
E)   To elucidate genetically linked diseasesF) A) and E)
G) All of the above

Question 3

The Centers for Disease Control and Prevention mandates that some diseases must be reported, while it is not necessary for others. This is so that _______.

Accepted Answer

A)   statistics may be gathered for certain diseases
B)   the incidence and prevalence for diseases of public health importance can be tracked
C)   disease trends and areas of outbreak can be monitored for certain diseases
D)   high-risk epidemics can be identiﬁed and dealt with as quickly as possible
E)   All of these choices validate why it is important to report certain diseases to the CDC.F) A) and C)
G) A) and D)

Question 4

Various bacterial enzymes that dissolve ﬁbrin clots are ______.

Accepted Answer

A)   coagulases
B)   mucinases
C)   keratinases
D)   kinases
E)   hyaluronidasesF) A) and B)
G) A) and C)

Question 5

The su?x -itis means ______.

Accepted Answer

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

Question 6

Which term-de?nition pair is mismatched?

Accepted Answer

A)   Fimbriae - adherence to substrate
B)   Capsule - antiphagocytic factor
C)   Coagulase - dissolves ?brin clots
D)   Leukocidins - damage white blood cells
E)   Hemolysins - damage red blood cellsF) C) and D)
G) B) and C)

Question 7

Leukopenia is the _____ in the level of white blood cells in a patient.

Accepted Answer

A)   elevation
B)   stabilization
C)   decrease
D)   abnormal productionE) A) and C)
F) B) and C)

Question 8

An inanimate object that harbors and transmits a pathogen is a ______.

Accepted Answer

A)   fomite
B)   carrier
C)   vector
D)   reservoir
E)   sourceF) B) and D)
G) B) and E)

Question 9

An infection spread between animals and humans is a ______.

Accepted Answer

A)   secondary infection
B)   sequela
C)   healthcare-associated infection
D)   zoonosisE) All of the above
F) A) and D)

Question 10

Which of the following is a direct contact method of microbe transmission?

Accepted Answer

A)   Fomites
B)   Water
C)   Droplet nuclei
D)   Aerosols
E)   DropletsF) B) and D)
G) A) and B)

Question 11

Normal biota includes each of the following except ______.

Accepted Answer

A)   bacteria
B)   fungi
C)   protozoans
D)   viruses
E)   All of the choices are correct.F) None of the above
G) C) and D) E

Question 12

Assume that there are 335,104 new cases of gonorrhea reported among the U.S. population. When calculated, this would be 115.2 per 100,000 or approximately 1 reported case per 1,000 population. The value represents ______.

Accepted Answer

A)   prevalence rate
B)   incidence rate
C)   morbidity rate
D)   mortality rateE) B) and C)
F) A) and B)

Question 13

Endogenous infectious agents arise from microbes that are ______.

Accepted Answer

A)   in food
B)   the patient's own normal biota
C)   on fomites
D)   in the air
E)   transmitted from one person to anotherF) A) and B)
G) D) and E)

Question 14

Which of the following is not a factor that weakens host defenses against infections?

Accepted Answer

A)   Genetic defects in immunity
B)   Physical and mental stress
C)   Strong, healthy body
D)   Chemotherapy
E)   Old ageF) A) and E)
G) A) and D)

Question 15

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) D) and E)
G) None of the above

Question 16

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 factorsE) A) and B)
F) A) and C)

Question 17

Some diseases can cause long-term or permanent damage in the patient termed ______.

Accepted Answer

A)   edema
B)   sequelae
C)   granulomas
D)   abscesses
E)   swollen lymph nodesF) B) and E)
G) C) and D)

Question 18

Due to efforts by the federal government and healthcare facilities from 2008-2013, the number of HAIs has decreased in all areas except which of the following?

Accepted Answer

A)   Surgical site infections
B)   Central line-associated blood infections
C)   Ventilator-associated events
D)   Catheter-associated UTIsE) C) and D)
F) None of the above D

Question 19

Each of the following is inoculation of normal biota to a newborn except _______.

Accepted Answer

A)   the birth process through the birth canal
B)   bottle feeding
C)   breastfeeding
D)   contact with hospital staff
E)   All of the choices are correct.F) B) and C)
G) C) and D)

Question 20

Fomites, food, and air serve as indirect transmission routes of pathogens.

Accepted Answer

A) True 
 B)False

Exam 13: Microbe-Human Interactions: Health and Disease

Which of the following does not illustrate the use of universal precaution methods in the handling of patients and body substances?

Correct AnswerverifiedShow Answer

What is one goal of the Human Microbiome Project?

Correct AnswerverifiedShow Answer

The Centers for Disease Control and Prevention mandates that some diseases must be reported, while it is not necessary for others. This is so that _______.

Correct AnswerverifiedShow Answer

Various bacterial enzymes that dissolve ﬁbrin clots are ______.

Correct AnswerverifiedShow Answer

The su?x -itis means ______.

Correct AnswerverifiedC

Which term-de?nition pair is mismatched?

Correct AnswerverifiedShow Answer

Leukopenia is the _____ in the level of white blood cells in a patient.

Correct AnswerverifiedShow Answer

An inanimate object that harbors and transmits a pathogen is a ______.

Correct AnswerverifiedShow Answer

An infection spread between animals and humans is a ______.

Correct AnswerverifiedShow Answer

Which of the following is a direct contact method of microbe transmission?

Correct AnswerverifiedShow Answer

Normal biota includes each of the following except ______.

Correct AnswerverifiedE

Assume that there are 335,104 new cases of gonorrhea reported among the U.S. population. When calculated, this would be 115.2 per 100,000 or approximately 1 reported case per 1,000 population. The value represents ______.

Correct AnswerverifiedShow Answer

Endogenous infectious agents arise from microbes that are ______.

Correct AnswerverifiedShow Answer

Which of the following is not a factor that weakens host defenses against infections?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Opportunistic pathogens _______.

Correct AnswerverifiedShow Answer

Some diseases can cause long-term or permanent damage in the patient termed ______.

Correct AnswerverifiedShow Answer

Due to efforts by the federal government and healthcare facilities from 2008-2013, the number of HAIs has decreased in all areas except which of the following?

Correct AnswerverifiedD

Each of the following is inoculation of normal biota to a newborn except _______.

Correct AnswerverifiedShow Answer

Fomites, food, and air serve as indirect transmission routes of pathogens.

Correct AnswerverifiedShow Answer

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C

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E

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D

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