Question 1

For a successful emergence or re-emergence to occur,a pathogen must be introduced into a vulnerable population and have the ability to spread readily from person-to-person causing disease.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following is an example of sequelae?

Accepted Answer

A)   Headache from meningitis
B)   Difficulty swallowing from streptococcal infection
C)   Arthritis from Lyme disease
D)  Diarrhea from Salmonella enteritidis infectionE) A) and D)
F) B) and D)

Question 3

Someone who inconspicuously harbors a pathogen and spreads it to others is a _______.

Accepted Answer

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

Question 4

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

Accepted Answer

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

Question 5

Exotoxins are ______.

Accepted Answer

A)   proteins secreted by living bacterial cells
B)   only released after a cell is damaged or lysed
C)   antiphagocytic factors
D)   secretions that always target nervous tissue
E)   lipopolysaccharidesF) C) and D)
G) A) and C)

Question 6

The suffix -itis means ______.

Accepted Answer

A)   blood
B)   a disease or morbid process
C)   an inflammation
D)   tumor
E)   pertaining toF) None of the above
G) B) and E)

Question 7

If you were a bacterial cell,which of the following would be the most beneficial for you to have or be able to make for the survival of your species?

Accepted Answer

A)   Endospore
B)   Cilia
C)   Pilus
D)   ExotoxinE) B) and C)
F) C) and D)

Question 8

Which of the following is not true regarding healthcare-associated infections?

Accepted Answer

A)   These infections are only transmitted by medical personnel.
B)   These infections often involve the patient's urinary tract and surgical incisions.
C)   The patient's resident biota can be the infectious agent.
D)   Escherichia coli and staphylococci are common infectious agents.
E)   Medical and surgical asepsis help lower their occurrence.F) B) and D)
G) B) and E)

Question 9

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 the above answers validate why it is important to report certain diseases to the CDC.F) A) and B)
G) A) and D)

Question 10

Latency is a dormant state of an infectious agent.

Accepted Answer

A) True 
 B)False

Question 11

80.Bacterial toxins are chemical products made by bacteria.A person ingests some honey containing Clostridium botulinum.The C.botulinum is actively growing and releases toxin in the honey.The person becomes ill from ingesting the toxin.This is an example of a/an ______.

Accepted Answer

A)  intoxication
B)  toxemia
C)  hemolysin
D)  pandemic
E)  infectionF) A) and E)
G) B) and D)

Question 12

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) B) and E)

Question 13

An example of an epigenetic change is

Accepted Answer

A)   a microbe secreting hyaluronidase to break down host hyaluronic acid.
B)   Clostridium tetani secreting the exotoxin tetanospasmin.
C)   a gram-negative organism releasing lipopolysaccharide from its cell wall upon lysis.
D)   a microbe that can induce changes in host DNA, resulting in suppression of defenses or weakening of individual cells.E) B) and D)
F) B) and C)

Question 14

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

Accepted Answer

A)   syndrome
B)   symptom
C)   sign
D)   pathology
E)   inflammationF) C) and D)
G) B) and E)

Question 15

Diseases can re-emerge for a variety of reasons.Evaluate the following statements and choose the one that does not provide evidence for a re-emergence.

Accepted Answer

A)   Pathogens evolve over time.
B)   Climate change influences arthropods to expand their geographical areas.
C)   Humans have avoided animal habitats.
D)   Agents of bioterrorism have been introduced into a population.E) None of the above
F) A) and C)

Question 16

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 17

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) B) and E)
G) A) and B)

Question 18

The suffix -osis means ______.

Accepted Answer

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

Question 19

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) A) and C)

Question 20

The objective,measurable evidence of disease evaluated by an observer is termed a/an ______.

Accepted Answer

A)   syndrome
B)   symptom
C)   sign
D)   pathology
E)   inflammationF) D) and E)
G) All of the above

Exam 13: Microbe-Human Interactions: Health and Disease

Which is not true about the Human Microbiome Project?

Correct AnswerverifiedShow Answer

The objective,measurable evidence of disease evaluated by an observer is termed a/an ______.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The suffix -itis means ______.

Correct AnswerverifiedShow Answer

Latency is a dormant state of an infectious agent.

Correct AnswerverifiedShow Answer

Someone who inconspicuously harbors a pathogen and spreads it to others is a _______.

Correct AnswerverifiedShow Answer

Which of the following is not true regarding healthcare-associated infections?

Correct AnswerverifiedShow Answer

If you were a bacterial cell,which of the following would be the most beneficial for you to have or be able to make for the survival of your species?

Correct AnswerverifiedShow Answer

The suffix -osis means ______.

Correct AnswerverifiedShow Answer

A sign is

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Diseases can re-emerge for a variety of reasons.Evaluate the following statements and choose the one that does not provide evidence for a re-emergence.

Correct AnswerverifiedShow Answer

Which of the following is an example of sequelae?

Correct AnswerverifiedShow Answer

Exotoxins are ______.

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

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

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

Correct AnswerverifiedShow Answer

An example of an epigenetic change is

Correct AnswerverifiedShow Answer

For a successful emergence or re-emergence to occur,a pathogen must be introduced into a vulnerable population and have the ability to spread readily from person-to-person causing disease.

Correct AnswerverifiedShow Answer

80.Bacterial toxins are chemical products made by bacteria.A person ingests some honey containing Clostridium botulinum.The C.botulinum is actively growing and releases toxin in the honey.The person becomes ill from ingesting the toxin.This is an example of a/an ______.

Correct AnswerverifiedShow Answer

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