Question 1

A microaerophile

Accepted Answer

A)  grows best in an anaerobic jar.
B)  grows with or without oxygen.
C)  needs normal atmospheric levels of oxygen.
D)  requires a small amount of oxygen but won't grow at normal atmospheric levels.
E)  None of the choices is correct.F) D) and E)
G) A) and B)

Question 2

When microbes live independently but cooperate and share nutrients,it is called

Accepted Answer

A)  symbiosis.
B)  satellitism.
C)  antibiosis.
D)  mutualism.
E)  synergism.F) None of the above
G) B) and D)

Question 3

Please read the clinical scenario, and then answer the question that follow to become familiar with the traditional NCLEX question format.
  A 24-year-old male arrives at the emergency department via air transport after sustaining a fall while rock climbing. The patient is minimally responsive with sluggishly reactive pupils upon arrival. He is requiring support with mechanical ventilation. A CT scan reveals multiple head bleeds and intracranial swelling. The patient has obvious fractures of his bilateral upper extremities and right leg. The patient is rushed to surgery with the plan to relieve the pressure of the intracranial swelling.
-Because a hypertonic environment forces water to move out of a cell,it is said to have high osmotic

Accepted Answer

A)  pressure.
B)  diffusion.
C)  tension.
D)  leverage.E) B) and C)
F) A) and B)

Question 4

After binary fission,daughter cells will differ genetically.

Accepted Answer

A) True 
 B)False

Question 5

All of the following could find a location in or on body tissues suitable for growth except

Accepted Answer

A)  psychrophiles.
B)  anaerobes.
C)  facultative anaerobes.
D)  mesophiles
E)  capnophiles.F) A) and B)
G) All of the above

Question 6

A closed culture system is used to determine a population growth curve.

Accepted Answer

A) True 
 B)False

Question 7

Organisms that feed on dead organisms for nutrients are called

Accepted Answer

A)  saprobes.
B)  parasites.
C)  autotrophs.
D)  lithoautotrophs.
E)  phototrophs.F) A) and D)
G) None of the above A

Question 8

Nutrient absorption is mediated by the

Accepted Answer

A)  cell wall.
B)  peptidoglycan layer.
C)  proteins in the periplasmic space.
D)  cell membrane.
E)  nuclear membrane.F) A) and D)
G) D) and E)

Question 9

Whether an organism is an autotroph or heterotroph depends on its source of nitrogen.

Accepted Answer

A) True 
 B)False

Question 10

Please read the clinical scenario, and then answer the question that follow to become familiar with the traditional NCLEX question format.
  The hospital infectious disease team is involved with the study of a healthcare-associated infection that has spread to 10% of inpatients. The infected patients are exhibiting symptoms of severe abdominal cramping, diarrhea, nausea, and vomiting. As the infectious disease RN, you provide education to staff regarding the pattern of bacterial growth and infection control. 
-During which stages of bacterial growth is an infected patient most at risk of spreading the organism to others?

Accepted Answer

A)  lag phase and exponential growth phase
B)  exponential growth phase and stationary growth phase
C)  stationary growth phase and death phase
D)  exponential growth phase,stationary growth phase,and death phaseE) B) and C)
F) A) and C)

Question 11

Please read the clinical scenario, and then answer the question that follow to become familiar with the traditional NCLEX question format.
  An 85-year-old female in a long-term care facility is prescribed verapamil for blood pressure management twice daily. The medication is classified as a calcium channel blocker. 
-Which of the following describes the mechanism of action of calcium channel blockers?

Accepted Answer

A)  relaxation of arterial smooth muscle
B)  relaxation of venous smooth muscle
C)  relaxation of venous smooth muscle and reduction of impulse conduction
D)  relaxation of arterial smooth muscle and reduction of impulse conductionE) A) and D)
F) C) and D)

Question 12

An organism with a temperature growth range of 45 ∘\circ∘ C to 60 ∘\circ∘ C would be called a(n)

Accepted Answer

A)  extremophile.
B)  thermophile.
C)  psychrophile.
D)  psychrotroph.
E)  thermoduric. F) A) and E)
G) All of the above B

Question 13

An organism that cannot grow without oxygen is a(n)

Accepted Answer

A)  aerobe.
B)  obligate aerobe.
C)  facultative anaerobe.
D)  microaerophile.
E)  obligate anaerobe.F) A) and E)
G) A) and D)

Question 14

A barophile would grow best in

Accepted Answer

A)  acid pools.
B)  the deep oceans.
C)  hot geyser springs.
D)  arid,desert soil.
E)  salt lakes.F) A) and B)
G) A) and C)

Question 15

The term chemoheterotroph refers to an organism that

Accepted Answer

A)  uses CO2 for its carbon source.
B)  must obtain inorganic compounds for its energy source.
C)  gets energy from sunlight.
D)  gets energy by oxidizing chemical compounds.
E)  does not need a carbon source.F) D) and E)
G) B) and E)

Question 16

Bacteria have an average generation time of 24 hours.

Accepted Answer

A) True 
 B)False

Question 17

Aerobic respiration is an example of

Accepted Answer

A)  photosynthesis.
B)  methanoheterophy.
C)  photoheterotrophy.
D)  chemoheterotrophy.
E)  photoautotrophy.F) A) and B)
G) B) and E)

Question 18

Which of the following is not a major element of a microbial cell?

Accepted Answer

A)  copper
B)  carbon
C)  hydrogen
D)  nitrogen
E)  oxygenF) B) and E)
G) C) and D)

Question 19

The term obligate refers to

Accepted Answer

A)  the ability to exist in a wide range of conditions.
B)  existing in a very narrow niche.
C)  using chemicals for energy production.
D)  using light for energy production.
E)  using oxygen for metabolism.F) B) and E)
G) All of the above B

Question 20

The term facultative refers to

Accepted Answer

A)  the ability to exist in a wide range of conditions.
B)  existing in a very narrow niche.
C)  using chemicals for energy production.
D)  using light for energy production.
E)  using oxygen for metabolism.F) B) and D)
G) B) and C)

Exam 6: Microbial Nutrition and Growth

A microaerophile

Correct Answer
verified

When microbes live independently but cooperate and share nutrients,it is called

Correct Answer
verified

Correct Answer
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After binary fission,daughter cells will differ genetically.

Correct Answer
verified

All of the following could find a location in or on body tissues suitable for growth except

Correct Answer
verified

A closed culture system is used to determine a population growth curve.

Correct Answer
verified

Organisms that feed on dead organisms for nutrients are called

Correct Answer
verified
A

Nutrient absorption is mediated by the

Correct Answer
verified

Whether an organism is an autotroph or heterotroph depends on its source of nitrogen.

Correct Answer
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Correct Answer
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Correct Answer
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An organism with a temperature growth range of 45^$\circ$C to 60^$\circ$C would be called a(n)

Correct Answer
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B

An organism that cannot grow without oxygen is a(n)

Correct Answer
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A barophile would grow best in

Correct Answer
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The term chemoheterotroph refers to an organism that

Correct Answer
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Bacteria have an average generation time of 24 hours.

Correct Answer
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Aerobic respiration is an example of

Correct Answer
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Which of the following is not a major element of a microbial cell?

Correct Answer
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The term obligate refers to

Correct Answer
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B

The term facultative refers to

Correct Answer
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Exam 6: Microbial Nutrition and Growth

A microaerophile

Correct AnswerverifiedShow Answer

When microbes live independently but cooperate and share nutrients,it is called

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

After binary fission,daughter cells will differ genetically.

Correct AnswerverifiedShow Answer

All of the following could find a location in or on body tissues suitable for growth except

Correct AnswerverifiedShow Answer

A closed culture system is used to determine a population growth curve.

Correct AnswerverifiedShow Answer

Organisms that feed on dead organisms for nutrients are called

Correct AnswerverifiedA

Nutrient absorption is mediated by the

Correct AnswerverifiedShow Answer

Whether an organism is an autotroph or heterotroph depends on its source of nitrogen.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

An organism with a temperature growth range of 45 ∘\circ∘ C to 60 ∘\circ∘ C would be called a(n)

Correct AnswerverifiedB

An organism that cannot grow without oxygen is a(n)

Correct AnswerverifiedShow Answer

A barophile would grow best in

Correct AnswerverifiedShow Answer

The term chemoheterotroph refers to an organism that

Correct AnswerverifiedShow Answer

Bacteria have an average generation time of 24 hours.

Correct AnswerverifiedShow Answer

Aerobic respiration is an example of

Correct AnswerverifiedShow Answer

Which of the following is not a major element of a microbial cell?

Correct AnswerverifiedShow Answer

The term obligate refers to

Correct AnswerverifiedB

The term facultative refers to

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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A

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified

An organism with a temperature growth range of 45^$\circ$C to 60^$\circ$C would be called a(n)

Correct Answer
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B

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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B

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