Question 1

The patient's parents question which antibiotic will be given to treat their daughter's infection. You inform her that ________.

Accepted Answer

A)   antibiotics target eukaryotic cells and do not work on viruses
B)   antibiotics target bacterial cells and do not work on viruses
C)   her daughter will be tested for antibiotic sensitivity before they are given
D)   her daughter is too young to receive antibiotic therapyE) A) and B)
F) None of the above

Question 2

Which of the following is not a characteristic of a transformed cell?

Accepted Answer

A)   Viral nucleic acid integrated into host DNA
B)   Decreased growth rate
C)   Alterations in chromosomes
D)   Changes in cell surface molecules
E)   Capacity to divide indefinitelyF) B) and C)
G) D) and E)

Question 3

Which of the following statements by the patient's mother demonstrates a proper understanding of the cause of RSV disease?

Accepted Answer

A)   RSV is caused by a DNA virus.
B)   RSV is caused by an RNA virus.
C)   RSV is caused by a prion.
D)   RSV is caused by a bacteriophage.E) B) and D)
F) All of the above

Question 4

The event that occurs in bacteriophage multiplication that does not occur in animal virus replication is ________.

Accepted Answer

A)   adsorption to the host cells
B)   injection of only the viral nucleic acid into the host cell
C)   host cell synthesis of viral enzymes and capsid proteins
D)   assembly of nucleocapsids
E)   replication of viral nucleic acidF) D) and E)
G) B) and D)

Question 5

Viral genetic studies, vaccine development and clinical identification would not be possible without the ability to ________.

Accepted Answer

A)   culture viruses in vivo and in vitro
B)   transform human cells into cancerous cells
C)   studying prions in neurological tissue of animals
D)   activate lysogenic induction in bacteriophagesE) A) and B)
F) A) and C) A

Question 6

A(n)  ________ is the protein shell around the nucleic acid core of a virus.

Accepted Answer

A)   capsomere
B)   capsid
C)   spike
D)   envelope
E)   monolayerF) C) and D)
G) B) and C)

Question 7

The activation of a prophage is called ________.

Accepted Answer

A)   activation
B)   lysogeny
C)   transformation
D)   induction
E)   adsorptionF) All of the above
G) C) and D) D

Question 8

Viruses with ________ -sense RNA contain the correct message for translation, while viruses with ________ -sense RNA must first be converted into a correct message.

Accepted Answer

A)   positive; negative
B)   negative; positive
C)   primary; secondary
D)   secondary; primary
E)   None of the choices are correctF) D) and E)
G) B) and E)

Question 9

The primary purpose of viral cultivation is ________.

Accepted Answer

A)   to isolate and identify viruses in clinical specimens
B)   to prepare viruses for vaccines
C)   to do detailed research on viral structure, lifestyle, genetics, and effects on host cells
D)   All of the choices are correctE) B) and D)
F) None of the above

Question 10

The adeno-associated virus (AAV) is a prion.

Accepted Answer

A) True 
 B)False

Question 11

Even though it is a bacterium, Clostridium botulinum can be made more pathogenic once infected with a(n)  ________.

Accepted Answer

A)   bacteriophage
B)   oncogene
C)   plaque
D)   retrovirusE) B) and C)
F) C) and D)

Question 12

If the patient receives antibiotic therapy at the hospital, the RN would expect the patient's duration of symptoms to be ________.

Accepted Answer

A)   increased
B)   decreased
C)   unchanged
D)   indeterminate with the information providedE) None of the above
F) A) and D) C

Question 13

What type of phage enters an inactive prophage stage?

Accepted Answer

A)   Primary
B)   Secondary
C)   Temperate
D)   Temporary
E)   TransformedF) B) and C)
G) All of the above

Question 14

What structures are used by bacteriophages to attach to host cell receptors?

Accepted Answer

A)   Sheath
B)   Tail fibers
C)   Nucleic acid
D)   Capsid head
E)   None of the choices are correctF) A) and B)
G) B) and D)

Question 15

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) D) and E)
G) C) and E)

Question 16

Infectious naked strands of RNA that affect plants are called ________.

Accepted Answer

A)   viroids
B)   phages
C)   prions
D)   oncogenic viruses
E)   spikesF) C) and D)
G) A) and C)

Question 17

Which of the following occurs during assembly of an enveloped virus?

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) B) and D)
G) A) and B)

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

Lysogeny refers to ________.

Accepted Answer

A)   altering the host range of a virus
B)   latent state of herpes infections
C)   virion exiting host cell
D)   viral genome inserting into bacterial host chromosome
E)   None of the choices are correctF) A) and B)
G) All of the above

Question 20

The RN anticipates that the priority intervention for this patient's care will be ________.

Accepted Answer

A)   antibiotic administration
B)   oxygen administration
C)   airway support
D)   blood pressure supportE) None of the above
F) A) and B)

Exam 5: Viral Structure and Multiplication

The patient's parents question which antibiotic will be given to treat their daughter's infection. You inform her that ________.

Correct AnswerverifiedShow Answer

Which of the following is not a characteristic of a transformed cell?

Correct AnswerverifiedShow Answer

Which of the following statements by the patient's mother demonstrates a proper understanding of the cause of RSV disease?

Correct AnswerverifiedShow Answer

The event that occurs in bacteriophage multiplication that does not occur in animal virus replication is ________.

Correct AnswerverifiedShow Answer

Viral genetic studies, vaccine development and clinical identification would not be possible without the ability to ________.

Correct AnswerverifiedA

A(n) ________ is the protein shell around the nucleic acid core of a virus.

Correct AnswerverifiedShow Answer

The activation of a prophage is called ________.

Correct AnswerverifiedD

Viruses with ________ -sense RNA contain the correct message for translation, while viruses with ________ -sense RNA must first be converted into a correct message.

Correct AnswerverifiedShow Answer

The primary purpose of viral cultivation is ________.

Correct AnswerverifiedShow Answer

The adeno-associated virus (AAV) is a prion.

Correct AnswerverifiedShow Answer

Even though it is a bacterium, Clostridium botulinum can be made more pathogenic once infected with a(n) ________.

Correct AnswerverifiedShow Answer

If the patient receives antibiotic therapy at the hospital, the RN would expect the patient's duration of symptoms to be ________.

Correct AnswerverifiedC

What type of phage enters an inactive prophage stage?

Correct AnswerverifiedShow Answer

What structures are used by bacteriophages to attach to host cell receptors?

Correct AnswerverifiedShow Answer

Which of the following is not a typical capsid shape?

Correct AnswerverifiedShow Answer

Infectious naked strands of RNA that affect plants are called ________.

Correct AnswerverifiedShow Answer

Which of the following occurs during assembly of an enveloped virus?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Lysogeny refers to ________.

Correct AnswerverifiedShow Answer

The RN anticipates that the priority intervention for this patient's care will be ________.

Correct AnswerverifiedShow Answer

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A

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D

Viruses with -sense RNA contain the correct message for translation, while viruses with -sense RNA must first be converted into a correct message.

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C

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