Question 1

Microbial hyaluronidase,coagulase,and streptokinase are examples of _____.

Accepted Answer

A)   adhesive factors
B)   exotoxins
C)   hemolysins
D)   antiphagocytic factors
E)   exoenzymesF) C) and E)
G) A) and B)

Question 2

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

Accepted Answer

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

Question 3

Resident biota of the gastrointestinal tract include ______.

Accepted Answer

A)   Streptococcus
B)   Bacteroides
C)   Lactobacillus
D)   Haemophilus
E)   All of the choices are correct.F) A) and B)
G) B) and D) E

Question 4

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 artificial habitat
D)   To provide comprehensive characterization of microbiota relating to human health and disease
E)   To elucidate genetically linked diseasesF) A) and E)
G) A) and D)

Question 5

The difference between the terms pathogenicity and virulence is that

Accepted Answer

A)   pathogenic organisms cause disease, virulent organisms do not.
B)   virulent organisms cause disease, pathogens do not.
C)   pathogens cause disease and their virulence describes the degree of pathogenicity.
D)   virulent organisms cause disease and their pathogenicity describes the degree of disease manifestations.E) A) and B)
F) B) and D)

Question 6

A symptom is _______.

Accepted Answer

A)   an objective indication of disease
B)   a subjective indication of disease
C)   measurable by health care personnel
D)   a temperatureE) B) and D)
F) A) and D)

Question 7

Based on new information from the Human Microbiome Project,the human body typically begins to be colonized by its normal biota

Accepted Answer

A)   before birth, in utero.
B)   during and immediately after birth.
C)   when a child first goes to school.
D)   when an infant gets its first infectious disease.
E)   during puberty.F) A) and D)
G) D) and E) A

Question 8

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 D)

Question 9

Which of the following is not a structure used for bacterial adhesion?

Accepted Answer

A)   Fimbriae
B)   Surface proteins
C)   Specialized receptors
D)   Adhesive slime or capsules
E)   CiliaF) A) and E)
G) B) and C)

Question 10

An epigenetic change is one that occurs when a microbial cell produces a toxin or an exoenzyme that directly damages host cells.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following is not true of the preliminary findings by the HMP thus far?

Accepted Answer

A)   the number of bacterial genes outnumber human genes by millions in the holobiont
B)   there are many more sterile sites in the human than were previously assumed
C)   microbial antagonism prevents potential pathogens in the resident biota from causing disease
D)   viruses have played an important role in guiding the evolution of both humans and their resident floraE) C) and D)
F) A) and B)

Question 12

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) C) and D) C

Question 13

Exotoxins ______.

Accepted Answer

A)   are secreted by pathogenic organisms
B)   are bound to the membrane of pathogenic organisms
C)   are bound to the cell wall of pathogenic organisms
D)   cause more damage than endotoxins
E)   are host specificF) A) and B)
G) C) and D)

Question 14

The suffix -emia means ______.

Accepted Answer

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

Question 15

An infection spread between animals and humans is a ______.

Accepted Answer

A)  secondary infection
B)  sequela
C)  healthcare-associated infection
D)  zoonosisE) B) and D)
F) B) and C)

Question 16

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

Accepted Answer

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

Question 17

A pathologic state begins with contact with a microbe.

Accepted Answer

A) True 
 B)False

Question 18

Mucinase has the greatest effect on the ______.

Accepted Answer

A)   respiratory system
B)   gastrointestinal system
C)   urinary system
D)   genital system
E)   skinF) A) and B)
G) None of the above

Question 19

The effect of beneficial microbes of normal biota against invading microbes is called ______.

Accepted Answer

A)   microbial antagonism
B)   endogenous infection
C)   infectious disease
D)   axenic
E)   gnotobiotismF) A) and C)
G) A) and B)

Question 20

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 D)
G) D) and E)

Exam 13: Microbe-Human Interactions: Health and Disease

Microbial hyaluronidase,coagulase,and streptokinase are examples of _____.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Resident biota of the gastrointestinal tract include ______.

Correct AnswerverifiedE

What is one goal of the Human Microbiome Project?

Correct AnswerverifiedShow Answer

The difference between the terms pathogenicity and virulence is that

Correct AnswerverifiedShow Answer

A symptom is _______.

Correct AnswerverifiedShow Answer

Based on new information from the Human Microbiome Project,the human body typically begins to be colonized by its normal biota

Correct AnswerverifiedA

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

Correct AnswerverifiedShow Answer

Which of the following is not a structure used for bacterial adhesion?

Correct AnswerverifiedShow Answer

An epigenetic change is one that occurs when a microbial cell produces a toxin or an exoenzyme that directly damages host cells.

Correct AnswerverifiedShow Answer

Which of the following is not true of the preliminary findings by the HMP thus far?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedC

Exotoxins ______.

Correct AnswerverifiedShow Answer

The suffix -emia means ______.

Correct AnswerverifiedShow Answer

An infection spread between animals and humans is a ______.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A pathologic state begins with contact with a microbe.

Correct AnswerverifiedShow Answer

Mucinase has the greatest effect on the ______.

Correct AnswerverifiedShow Answer

The effect of beneficial microbes of normal biota against invading microbes is called ______.

Correct AnswerverifiedShow Answer

Endogenous infectious agents arise from microbes that are ______.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
E

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
C

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified