Question 1

Animals that participate in the life cycles of pathogens and transmit pathogens from host to host are

Accepted Answer

A)  fomites.
B)  aerosols.
C)  mechanical vectors.
D)  droplet nuclei.
E)  biological vectors.F) All of the above
G) A) and B)

Question 2

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

Accepted Answer

A)  fomite.
B)  carrier.
C)  vector.
D)  reservoir.
E)  source.F) A) and E)
G) A) and D)

Question 3

The number of persons afflicted with an infectious disease is the _____ rate.

Accepted Answer

A)  morbidity
B)  mortality
C)  incidence
D)  endemic
E)  pandemicF) A) and B)
G) A) and E)

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

Question 5

Which of the following is not a normal portal of exit for an infectious disease?

Accepted Answer

A)  removal of blood
B)  urogenital tract and feces
C)  coughing and sneezing
D)  skin
E)  All of these are normal exit portals.F) A) and E)
G) A) and C)

Question 6

Exotoxins are

Accepted Answer

A)  proteins.
B)  only released after a cell is damaged or lysed.
C)  antiphagocytic factors.
D)  secretions that always target nervous tissue.
E)  lipopolysaccharides.F) All of the above
G) A) and C)

Question 7

The term infection refers to

Accepted Answer

A)  microorganisms colonizing the body.
B)  contact with microorganisms.
C)  contact with pathogens.
D)  pathogens penetrating host defenses.
E)  None of the choices is correct.F) A) and B)
G) B) and C)

Question 8

Which is not terminology used for resident biota?

Accepted Answer

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

Question 9

The dried residues of fine droplets from mucus or saliva that harbor and transmit pathogens are

Accepted Answer

A)  fomites.
B)  aerosols.
C)  mechanical vectors.
D)  droplet nuclei.
E)  biological vectors.F) B) and C)
G) C) and E)

Question 10

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

Accepted Answer

A)  elevation
B)  stabilization
C)  decreaseD) All of the above
E) B) and C)

Question 11

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 C)
G) A) and E)

Question 12

Which is mismatched?

Accepted Answer

A)  secondary infection - infection spreads to several tissue sites
B)  mixed infection - several agents established at infection site
C)  acute infection - rapid onset of severe,short-lived symptoms
D)  local infection - pathogen remains at or near entry site
E)  toxemia - pathogen's toxins carried by the blood to target tissuesF) None of the above
G) B) and C)

Question 13

When would Koch's postulates be utilized?

Accepted Answer

A)  determination of the cause of a patient's illness in a hospital microbiology lab
B)  development of a new antibiotic in a pharmaceutical lab
C)  determination of the cause of a new disease in a microbiology research lab
D)  formulation of a vaccine against a new pathogen in a genetic engineering lab
E)  whenever the scientific method cannot be used to investigate a microbiological problemF) A) and D)
G) C) and D)

Question 14

The intermediary object or individual from which the infectious agent is actually acquired is termed the

Accepted Answer

A)  fomite.
B)  carrier.
C)  vector.
D)  reservoir.
E)  source.F) C) and D)
G) All of the above

Question 15

Please read the clinical scenario, and then answer the question that follow to become familiar with the traditional NCLEX question format.
  A 68-year-old male presents to the emergency department with complaints of a 2-day history of difficulty breathing, cough, and chest pain. Upon triage assessment, the patient is found to have a fever, increased work of breathing, decreased oxygen saturation, and crackles upon auscultation of the lungs. A chest X ray reveals consolidation in the right upper lung field. The patient is diagnosed with pneumonia, initiated on oxygen therapy, and admitted for observation and treatment.
-As the RN,you document the care and assessment of the patient in the chart prior to transfer to an inpatient unit.What is the most appropriate term for the clinical manifestations of disease?

Accepted Answer

A)  signs
B)  symptoms
C)  syndromes
D)  signs and symptomsE) C) and D)
F) A) and D)

Question 16

An inanimate object that harbors and transmits a pathogen is a

Accepted Answer

A)  fomite.
B)  carrier.
C)  vector.
D)  reservoir.
E)  source.F) A) and B)
G) C) and E)

Question 17

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 B)
G) A) and C)

Question 18

_____ are toxins that are the lipopolysaccharide of the outer membrane of gram-negative cell walls.

Accepted Answer

A)  Exotoxins
B)  Endotoxins
C)  Enterotoxins
D)  Leukocidins
E)  HemolysinsF) A) and B)
G) A) and E)

Question 19

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

Accepted Answer

A) True 
 B)False

Question 20

Which of the following is not an anti-phagocytic factor?

Accepted Answer

A)  secretion of slime
B)  production of leukocidins
C)  adhering to the host
D)  secretion of a capsule
E)  ability to survive intracellularlyF) A) and B)
G) None of the above

Exam 11: Interactions Between Microbes and Humans

Which of the following is not a normal portal of exit for an infectious disease?

Correct Answer
verified

Which is mismatched?

Correct Answer
verified

The number of persons afflicted with an infectious disease is the _____ rate.

Correct Answer
verified

The dried residues of fine droplets from mucus or saliva that harbor and transmit pathogens are

Correct Answer
verified

Correct Answer
verified

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

Correct Answer
verified

_____ are toxins that are the lipopolysaccharide of the outer membrane of gram-negative cell walls.

Correct Answer
verified

An inanimate object that harbors and transmits a pathogen is a

Correct Answer
verified

Which is not terminology used for resident biota?

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

When would Koch's postulates be utilized?

Correct Answer
verified

Exotoxins are

Correct Answer
verified

Animals that participate in the life cycles of pathogens and transmit pathogens from host to host are

Correct Answer
verified

The term infection refers to

Correct Answer
verified

Normal biota includes each of the following except

Correct Answer
verified

Which of the following is not an anti-phagocytic factor?

Correct Answer
verified

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

Correct Answer
verified

The intermediary object or individual from which the infectious agent is actually acquired is termed the

Correct Answer
verified

Exam 11: Interactions Between Microbes and Humans

Which of the following is not a normal portal of exit for an infectious disease?

Correct AnswerverifiedShow Answer

Which is mismatched?

Correct AnswerverifiedShow Answer

The number of persons afflicted with an infectious disease is the _____ rate.

Correct AnswerverifiedShow Answer

The dried residues of fine droplets from mucus or saliva that harbor and transmit pathogens are

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

_____ are toxins that are the lipopolysaccharide of the outer membrane of gram-negative cell walls.

Correct AnswerverifiedShow Answer

An inanimate object that harbors and transmits a pathogen is a

Correct AnswerverifiedShow Answer

Which is not terminology used for resident biota?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

When would Koch's postulates be utilized?

Correct AnswerverifiedShow Answer

Exotoxins are

Correct AnswerverifiedShow Answer

Animals that participate in the life cycles of pathogens and transmit pathogens from host to host are

Correct AnswerverifiedShow Answer

The term infection refers to

Correct AnswerverifiedShow Answer

Normal biota includes each of the following except

Correct AnswerverifiedShow Answer

Which of the following is not an anti-phagocytic factor?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The intermediary object or individual from which the infectious agent is actually acquired is termed the

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified