Question 1

Enterotoxins are

Accepted Answer

A)  virulence factors.
B)  toxins that target the intestines.
C)  proteins.
D)  exotoxins.
E)  All of the choices are correct.F) B) and D)
G) C) and E)

Question 2

_____ carriers are shedding and transmitting pathogens while they are recovering from an infectious disease.

Accepted Answer

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

Question 3

Microbial hyaluronidase,coagulase,and streptokinase are examples of

Accepted Answer

A)  adhesive factors.
B)  exotoxins.
C)  hemolysins.
D)  antiphagocytic factors.
E)  exoenzymes.F) A) and D)
G) B) and D)

Question 4

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) B) and C)
G) A) and C)

Question 5

Which genus is resident biota of the mouth,large intestine,and within the vagina from puberty to menopause?

Accepted Answer

A)  Lactobacillus
B)  Treponema
C)  Haemophilus
D)  Escherichia
E)  ClostridiumF) B) and D)
G) A) and D)

Question 6

The suffix -itis means

Accepted Answer

A)  blood.
B)  a disease or morbid process.
C)  an inflammation.
D)  tumor.
E)  pertaining to.F) All of the above
G) A) and B)

Question 7

A sign is

Accepted Answer

A)  an objective indication of disease.
B)  a subjective indication of disease.
C)  measurable by health care personnel.
D)  malaise and body aches.
E)  An objective indication of disease that is measurable by health care personnel.F) A) and D)
G) C) and D)

Question 8

The Centers for Disease Control and Prevention assigns the most virulent microbes known to cause human disease to biosafety level 4.

Accepted Answer

A) True 
 B)False

Question 9

The principal government agency responsible for tracking infectious diseases in the United States is the

Accepted Answer

A)  Centers for Disease Control and Prevention.
B)  World Health Organization.
C)  National Institutes of Health.
D)  United States Department of Agriculture.
E)  Infection Control Committee.F) None of the above
G) All of the above

Question 10

Mucinase has the greatest effect on the

Accepted Answer

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

Question 11

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) All of the above
G) B) and C)

Question 12

Pathogenic microbes that cause disease in healthy people are called

Accepted Answer

A)  opportunistic pathogens.
B)  normal biota.
C)  indigenous biota.
D)  true pathogens.
E)  micropathogens.F) C) and D)
G) A) and B)

Question 13

A fetus can get an infection when a pathogen in the mother's blood is capable of crossing the placenta to the fetal circulation and tissues.

Accepted Answer

A) True 
 B)False

Question 14

Septicemia means that a pathogen is present and multiplying in the blood.

Accepted Answer

A) True 
 B)False

Question 15

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 B)
G) B) and C)

Question 16

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 D)
G) A) and B)

Question 17

Which is not terminology used for resident biota?

Accepted Answer

A)  pathogenic biota
B)  normal biota
C)  indigenous biota
D)  normal microbiota
E)  commensalsF) B) and D)
G) C) and D)

Question 18

Treponema pallidum is the bacterium that causes syphilis.The gram-negative spirochete has never been cultured on bacteriological media.Select the statement that most accurately describes this disease-causing microbe:

Accepted Answer

A)  There is no way to perform an epidemiological study on this disease.
B)  Koch's postulates cannot be fulfilled for this disease.
C)  Because the bacterium cannot be grown,there is no way to characterize the organism as to staining features,biochemical test reactions,molecular testing,etc.
D)  There is no satisfactory way to identify the disease without being able to grow it.E) A) and D)
F) None of the above

Question 19

Hyaluronidase is a virulence factor in

Accepted Answer

A)  amoebic dysentery.
B)  ringworm.
C)  clostridia.
D)  cold virus.
E)  diphtheria.F) C) and E)
G) B) and E)

Exam 13: Microbe-Human Interactions: Infection and Disease

Pathogenic microbes that cause disease in healthy people are called

Correct Answer
verified

Hyaluronidase is a virulence factor in

Correct Answer
verified

The principal government agency responsible for tracking infectious diseases in the United States is the

Correct Answer
verified

The suffix -itis means

Correct Answer
verified

The Centers for Disease Control and Prevention assigns the most virulent microbes known to cause human disease to biosafety level 4.

Correct Answer
verified

A sign is

Correct Answer
verified

Treponema pallidum is the bacterium that causes syphilis.The gram-negative spirochete has never been cultured on bacteriological media.Select the statement that most accurately describes this disease-causing microbe:

Correct Answer
verified

_____ carriers are shedding and transmitting pathogens while they are recovering from an infectious disease.

Correct Answer
verified

Mucinase has the greatest effect on the

Correct Answer
verified

Normal biota includes each of the following except

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

Septicemia means that a pathogen is present and multiplying in the blood.

Correct Answer
verified

Which genus is resident biota of the mouth,large intestine,and within the vagina from puberty to menopause?

Correct Answer
verified

A fetus can get an infection when a pathogen in the mother's blood is capable of crossing the placenta to the fetal circulation and tissues.

Correct Answer
verified

Enterotoxins are

Correct Answer
verified

Microbial hyaluronidase,coagulase,and streptokinase are examples of

Correct Answer
verified

What is one goal of the Human Microbiome Project?

Correct Answer
verified

Which is not terminology used for resident biota?

Correct Answer
verified

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

Correct Answer
verified

Exam 13: Microbe-Human Interactions: Infection and Disease

Pathogenic microbes that cause disease in healthy people are called

Correct AnswerverifiedShow Answer

Hyaluronidase is a virulence factor in

Correct AnswerverifiedShow Answer

The principal government agency responsible for tracking infectious diseases in the United States is the

Correct AnswerverifiedShow Answer

The suffix -itis means

Correct AnswerverifiedShow Answer

The Centers for Disease Control and Prevention assigns the most virulent microbes known to cause human disease to biosafety level 4.

Correct AnswerverifiedShow Answer

A sign is

Correct AnswerverifiedShow Answer

Treponema pallidum is the bacterium that causes syphilis.The gram-negative spirochete has never been cultured on bacteriological media.Select the statement that most accurately describes this disease-causing microbe:

Correct AnswerverifiedShow Answer

_____ carriers are shedding and transmitting pathogens while they are recovering from an infectious disease.

Correct AnswerverifiedShow Answer

Mucinase has the greatest effect on the

Correct AnswerverifiedShow Answer

Normal biota includes each of the following except

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

Septicemia means that a pathogen is present and multiplying in the blood.

Correct AnswerverifiedShow Answer

Which genus is resident biota of the mouth,large intestine,and within the vagina from puberty to menopause?

Correct AnswerverifiedShow Answer

A fetus can get an infection when a pathogen in the mother's blood is capable of crossing the placenta to the fetal circulation and tissues.

Correct AnswerverifiedShow Answer

Enterotoxins are

Correct AnswerverifiedShow Answer

Microbial hyaluronidase,coagulase,and streptokinase are examples of

Correct AnswerverifiedShow Answer

What is one goal of the Human Microbiome Project?

Correct AnswerverifiedShow Answer

Which is not terminology used for resident biota?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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