Question 1

Bacterial cells could have any of the following appendages except

Accepted Answer

A)  flagella.
B)  cilia.
C)  fimbriae.
D)  periplasmic flagella (axial filaments) .
E)  sex pili.F) None of the above
G) D) and E)

Question 2

The chemical components of ribosomes are proteins and

Accepted Answer

A)  mRNA.
B)  tRNA.
C)  rRNA.
D)  All of the choices are correct.
E)  None of the choices is correct.F) C) and E)
G) C) and D)

Question 3

Plasmids

Accepted Answer

A)  are found in all bacteria.
B)  are essential for growth and metabolism.
C)  cannot be passed between organisms.
D)  cannot be passed on to progeny.
E)  are often the site of pathogenic genes.F) B) and E)
G) D) and E)

Question 4

A bacterial genus that has waxy mycolic acid in the cell walls is

Accepted Answer

A)  Mycobacterium.
B)  Mycoplasma.
C)  Streptococcus.
D)  Corynebacterium.
E)  Salmonella.F) A) and B)
G) A) and D)

Question 5

The bacterial chromosome

Accepted Answer

A)  is located in the cell membrane.
B)  contains all the cell's plasmids.
C)  is part of the nucleoid.
D)  forms a single linear strand of DNA.
E)  All of the choices are correct.F) D) and E)
G) All of the above

Question 6

Halobacterium salinarium lives in and requires salt.This is an example of an archaeabacterium described as a(n) __.

Accepted Answer

A)  osmophile
B)  halophile
C)  thermophile
D)  psychrophile
E)  methanogenF) A) and B)
G) None of the above

Question 7

All bacterial cells have

Accepted Answer

A)  one or more chromosomes.
B)  one or more fimbriae.
C)  the ability to produce endospores.
D)  capsules.
E)  flagella.F) C) and E)
G) D) and E)

Question 8

Both gram-positive and gram-negative cells have outer membranes.

Accepted Answer

A) True 
 B)False

Question 9

A bacterial cell wall that has primarily peptidoglycan with small amounts of teichoic acid and lipoteichoic acid is

Accepted Answer

A)  gram negative.
B)  gram positive.
C)  found in archaea.
D)  a spheroplast.
E)  acid fast.F) C) and D)
G) A) and B)

Question 10

Please read the clinical scenario, and then answer the question that follow to become familiar with the traditional NCLEX question format.
  A 3-year-old patient is admitted to the ER after a sudden onset of high fever and chills, a productive cough, and shortness of breath. The parents indicate that the child had been healthy up until a few hours ago. An initial workup of the child shows an elevated temperature (103oF) , a rapid pulse rate (140 bpm) , and a low oxygen saturation level (82%) . Supplemental oxygen and acetaminophen are administered immediately, and specimens are obtained from the patient for microbial analysis.
-Further microscopic analysis of negatively stained specimens reveals a clearing around each of the spherical cells against a dark background.This clearing indicates that the pathogen possesses which structure(s) ?

Accepted Answer

A)  endospores
B)  a capsule
C)  a nucleoid
D)  piliE) B) and C)
F) A) and B)

Question 11

Cells form a _____ arrangement when cells in a chain snap back upon each other forming a row of cells oriented side by side.

Accepted Answer

A)  tetrad
B)  strep
C)  staph
D)  sarcina
E)  palisadeF) A) and E)
G) C) and E)

Question 12

The bacterial cell membrane is a site for many enzymes and metabolic reactions.

Accepted Answer

A) True 
 B)False

Question 13

Which term is not used to describe bacterial cell shapes?

Accepted Answer

A)  coccus
B)  tetrad
C)  vibrio
D)  rod
E)  spirocheteF) None of the above
G) B) and C)

Question 14

Iodine is the decolorizer in the Gram stain.

Accepted Answer

A) True 
 B)False

Question 15

Endospores are

Accepted Answer

A)  metabolically inactive.
B)  resistant to heat and chemical destruction.
C)  resistant to destruction by radiation.
D)  living structures.
E)  All of the choices are correct.F) None of the above
G) B) and E)

Question 16

Which of the following species of bacteria is not closely related to the others?

Accepted Answer

A)  Staphylococcus aureus
B)  Staphylococcus epidermidis
C)  Staphylococcus saprophyticus
D)  Escherichia coli
E)  Staphylococcus capitisF) B) and C)
G) A) and E)

Question 17

Some bacteria have a cytoskeleton of protein polymers to help maintain their shape.

Accepted Answer

A) True 
 B)False

Question 18

Lysozyme is most effective against

Accepted Answer

A)  gram-negative organisms.
B)  gram-positive organisms.
C)  mycoplasmas.
D)  cyanobacteria.
E)  archea.F) B) and E)
G) C) and D)

Question 19

The short,numerous appendages used by some bacterial cells for adhering to surfaces are called

Accepted Answer

A)  flagella.
B)  cilia.
C)  fimbriae.
D)  periplasmic flagella (axial filaments) .
E)  sex pili.F) B) and E)
G) D) and E)

Question 20

The bacterial flagellum has three parts in the order from cytoplasm to external environment:

Accepted Answer

A)  filament,hook,basal body
B)  filament,basal body,hook
C)  basal body,hook,filament
D)  hook,basal body,filament
E)  basal body,filament,hookF) A) and D)
G) B) and C)

Exam 3: Bacteria and Archaea

A bacterial genus that has waxy mycolic acid in the cell walls is

Correct Answer
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Iodine is the decolorizer in the Gram stain.

Correct Answer
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Some bacteria have a cytoskeleton of protein polymers to help maintain their shape.

Correct Answer
verified

Which of the following species of bacteria is not closely related to the others?

Correct Answer
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Correct Answer
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Which term is not used to describe bacterial cell shapes?

Correct Answer
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The short,numerous appendages used by some bacterial cells for adhering to surfaces are called

Correct Answer
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Endospores are

Correct Answer
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The bacterial chromosome

Correct Answer
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All bacterial cells have

Correct Answer
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Lysozyme is most effective against

Correct Answer
verified

Bacterial cells could have any of the following appendages except

Correct Answer
verified

The bacterial flagellum has three parts in the order from cytoplasm to external environment:

Correct Answer
verified

Halobacterium salinarium lives in and requires salt.This is an example of an archaeabacterium described as a(n) __.

Correct Answer
verified

A bacterial cell wall that has primarily peptidoglycan with small amounts of teichoic acid and lipoteichoic acid is

Correct Answer
verified

Plasmids

Correct Answer
verified

Cells form a _____ arrangement when cells in a chain snap back upon each other forming a row of cells oriented side by side.

Correct Answer
verified

The bacterial cell membrane is a site for many enzymes and metabolic reactions.

Correct Answer
verified

Both gram-positive and gram-negative cells have outer membranes.

Correct Answer
verified

The chemical components of ribosomes are proteins and

Correct Answer
verified

Exam 3: Bacteria and Archaea

A bacterial genus that has waxy mycolic acid in the cell walls is

Correct AnswerverifiedShow Answer

Iodine is the decolorizer in the Gram stain.

Correct AnswerverifiedShow Answer

Some bacteria have a cytoskeleton of protein polymers to help maintain their shape.

Correct AnswerverifiedShow Answer

Which of the following species of bacteria is not closely related to the others?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which term is not used to describe bacterial cell shapes?

Correct AnswerverifiedShow Answer

The short,numerous appendages used by some bacterial cells for adhering to surfaces are called

Correct AnswerverifiedShow Answer

Endospores are

Correct AnswerverifiedShow Answer

The bacterial chromosome

Correct AnswerverifiedShow Answer

All bacterial cells have

Correct AnswerverifiedShow Answer

Lysozyme is most effective against

Correct AnswerverifiedShow Answer

Bacterial cells could have any of the following appendages except

Correct AnswerverifiedShow Answer

The bacterial flagellum has three parts in the order from cytoplasm to external environment:

Correct AnswerverifiedShow Answer

Halobacterium salinarium lives in and requires salt.This is an example of an archaeabacterium described as a(n) __.

Correct AnswerverifiedShow Answer

A bacterial cell wall that has primarily peptidoglycan with small amounts of teichoic acid and lipoteichoic acid is

Correct AnswerverifiedShow Answer

Plasmids

Correct AnswerverifiedShow Answer

Cells form a _____ arrangement when cells in a chain snap back upon each other forming a row of cells oriented side by side.

Correct AnswerverifiedShow Answer

The bacterial cell membrane is a site for many enzymes and metabolic reactions.

Correct AnswerverifiedShow Answer

Both gram-positive and gram-negative cells have outer membranes.

Correct AnswerverifiedShow Answer

The chemical components of ribosomes are proteins and

Correct AnswerverifiedShow Answer

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