Question 1

New,nonenveloped virus release occurs by

Accepted Answer

A)  lysis.
B)  budding.
C)  exocytosis.
D)  both lysis and budding.
E)  both budding and exocytosis.F) B) and C)
G) None of the above

Question 2

Host cells of viruses include

Accepted Answer

A)  humans and other animals.
B)  plants and fungi.
C)  bacteria.
D)  protozoa and algae.
E)  All of the choices are correct.F) A) and E)
G) A) and D)

Question 3

Viruses have all the following except

Accepted Answer

A)  definite shape.
B)  metabolism.
C)  genes.
D)  the ability to infect host cells.
E)  ultramicroscopic size.F) A) and E)
G) A) and D)

Question 4

Viral spikes

Accepted Answer

A)  are always present on enveloped viruses.
B)  protrude from the envelope.
C)  block attachment between virus and host.
D)  are derived from host proteins.
E)  All of the choices are correct.F) C) and D)
G) A) and D)

Question 5

A fully formed virus that can cause an infection in a host cell is called a virion.

Accepted Answer

A) True 
 B)False

Question 6

Viruses are not filterable.

Accepted Answer

A) True 
 B)False

Question 7

Viruses are unable to multiply outside of a host cell.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following occurs during assembly?

Accepted Answer

A)  Nucleocapsid is formed.
B)  New viral nucleic acid is formed.
C)  Viral spikes insert in host cell membrane.
D)  A nucleocapsid is formed and viral spikes insert in host cell membrane.
E)  All of the choices occur.F) A) and B)
G) B) and C)

Question 9

Mammalian viruses capable of starting tumors are

Accepted Answer

A)  chronic latent viruses.
B)  oncoviruses.
C)  syncytia.
D)  inclusion bodies.
E)  cytiopathic.F) C) and E)
G) A) and B)

Question 10

Which of the following is not a typical capsid shape?

Accepted Answer

A)  tetrahedral
B)  complex
C)  helical
D)  icosahedron
E)  All of the choices are capsid shapes.F) A) and E)
G) D) and E)

Question 11

Viruses are used to produce vaccines for prevention of certain viral infections.

Accepted Answer

A) True 
 B)False

Question 12

Please read the clinical scenario, and then answer the question that follow to become familiar with the traditional NCLEX question format.
  Mrs. Hammond is a 79-year-old woman who has been a resident on your floor for the past 5 years. She has been complaining of pain, burning, and tingling on her left side. Today, you observe fluid-filled blisters wrapping around the left side of her torso in a single line. The physician diagnoses her with shingles and places her on contact precautions.
-The bacteriophage multiplication cycle is similar to that of an animal virus with the exception of uncoating.Uncoating does not occur because

Accepted Answer

A)  they utilize specific receptors on the bacterial surface to adsorb.
B)  the viral nucleic acid penetrates the host after being injected through a rigid tube inserted through the bacterial cell membrane and wall.
C)  the viral nucleic acid enters the host cell through transformation.
D)  the virus is engulfed by the cell and enclosed in a vacuole via endocytosis.E) B) and C)
F) A) and D)

Question 13

Infectious protein particles are called

Accepted Answer

A)  viroids.
B)  phages.
C)  prions.
D)  oncogenic viruses.
E)  spikes.F) C) and D)
G) B) and D)

Question 14

One of the principal capsid shapes is a 20-sided figure with 12 evenly spaced corners referred to as a(n) _____ capsid.

Accepted Answer

A)  spiked
B)  complex
C)  icosahedral
D)  helical
E)  buckeyballF) A) and B)
G) A) and C)

Question 15

A negative-sense RNA virus

Accepted Answer

A)  is ready for immediate translation.
B)  must synthesize a negative RNA copy of its genome.
C)  must synthesize a positive RNA copy of its genome.
D)  is a special form of tRNA used by viruses.
E)  always codes for RNA polymerase.F) None of the above
G) C) and D)

Question 16

Viruses acquire envelopes around their nucleocapsids during

Accepted Answer

A)  replication.
B)  assembly.
C)  adsorption.
D)  release.
E)  penetration.F) B) and E)
G) A) and E)

Question 17

Two noncellular agents,smaller than viruses,are the infectious proteins called _____ and the infectious RNA strands called _____.

Accepted Answer

A)  prions,capsomeres
B)  virions,prions
C)  viroids,phages
D)  prions,phages
E)  prions,viroidsF) A) and D)
G) B) and D)

Question 18

Viruses that cause infection resulting in alternating periods of activity with symptoms and inactivity without symptoms are called

Accepted Answer

A)  latent.
B)  oncogenic.
C)  prions.
D)  viroids.
E)  delta agents.F) A) and D)
G) A) and C)

Question 19

Please read the clinical scenario, and then answer the question that follow to become familiar with the traditional NCLEX question format.
  5-month-old Emily Harter presented to the pediatrician’s office with a fever, dyspnea (labored breathing) , wheezing, nasal flaring, and a harsh cough. Rapid testing of nasal swabs obtained from Emily revealed RSV disease. Mrs. Harter is distraught to learn that her daughter will be admitted to the hospital, and will receive intravenous hydration and oxygen therapy. 
-RSV belongs to which virus family?

Accepted Answer

A)  Poxviridae
B)  Picornaviridae
C)  Filoviridae
D)  ReoviridaeE) All of the above
F) A) and D)

Question 20

Viruses are simple,noncellular,and lack mRNA.

Accepted Answer

A) True 
 B)False

Exam 5: Viral Structure and Life Cycles

A negative-sense RNA virus

Correct Answer
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A fully formed virus that can cause an infection in a host cell is called a virion.

Correct Answer
verified

Viruses have all the following except

Correct Answer
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New,nonenveloped virus release occurs by

Correct Answer
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Host cells of viruses include

Correct Answer
verified

Correct Answer
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Which of the following occurs during assembly?

Correct Answer
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Infectious protein particles are called

Correct Answer
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Viruses are not filterable.

Correct Answer
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Which of the following is not a typical capsid shape?

Correct Answer
verified

Viruses are unable to multiply outside of a host cell.

Correct Answer
verified

Two noncellular agents,smaller than viruses,are the infectious proteins called _ and the infectious RNA strands called _.

Correct Answer
verified

Viruses are used to produce vaccines for prevention of certain viral infections.

Correct Answer
verified

Viruses acquire envelopes around their nucleocapsids during

Correct Answer
verified

Viruses that cause infection resulting in alternating periods of activity with symptoms and inactivity without symptoms are called

Correct Answer
verified

Mammalian viruses capable of starting tumors are

Correct Answer
verified

Correct Answer
verified

One of the principal capsid shapes is a 20-sided figure with 12 evenly spaced corners referred to as a(n) _____ capsid.

Correct Answer
verified

Viral spikes

Correct Answer
verified

Viruses are simple,noncellular,and lack mRNA.

Correct Answer
verified

Exam 5: Viral Structure and Life Cycles

A negative-sense RNA virus

Correct AnswerverifiedShow Answer

A fully formed virus that can cause an infection in a host cell is called a virion.

Correct AnswerverifiedShow Answer

Viruses have all the following except

Correct AnswerverifiedShow Answer

New,nonenveloped virus release occurs by

Correct AnswerverifiedShow Answer

Host cells of viruses include

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which of the following occurs during assembly?

Correct AnswerverifiedShow Answer

Infectious protein particles are called

Correct AnswerverifiedShow Answer

Viruses are not filterable.

Correct AnswerverifiedShow Answer

Which of the following is not a typical capsid shape?

Correct AnswerverifiedShow Answer

Viruses are unable to multiply outside of a host cell.

Correct AnswerverifiedShow Answer

Two noncellular agents,smaller than viruses,are the infectious proteins called _____ and the infectious RNA strands called _____.

Correct AnswerverifiedShow Answer

Viruses are used to produce vaccines for prevention of certain viral infections.

Correct AnswerverifiedShow Answer

Viruses acquire envelopes around their nucleocapsids during

Correct AnswerverifiedShow Answer

Viruses that cause infection resulting in alternating periods of activity with symptoms and inactivity without symptoms are called

Correct AnswerverifiedShow Answer

Mammalian viruses capable of starting tumors are

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

One of the principal capsid shapes is a 20-sided figure with 12 evenly spaced corners referred to as a(n) _____ capsid.

Correct AnswerverifiedShow Answer

Viral spikes

Correct AnswerverifiedShow Answer

Viruses are simple,noncellular,and lack mRNA.

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
verified

Two noncellular agents,smaller than viruses,are the infectious proteins called _ and the infectious RNA strands called _.

Correct Answer
verified

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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