Question 1

Compare and contrast the two polio vaccines used to nearly eradicate polio.

Accepted Answer

Both vaccines are effective in providing...

Question 2

Which of the following pairs is MISMATCHED?

Accepted Answer

A)   mumps; parotitis
B)   parainfluenza virus; croup
C)   rabies; hydrophobia
D)   measles; Koplik's spots
E)   influenza; hemorrhagic feverF) None of the above
G) C) and E)

Question 3

Rotavirus infection is easily treatable, but it is a leading cause of death among children around the world.

Accepted Answer

A) True 
 B)False

Question 4

The human T- lymphotropic virus 1 causes

Accepted Answer

A)   adult acute T- cell lymphocytic leukemia.
B)   hairy cell leukemia.
C)   Burkitt's lymphoma.
D)   Hodgkin's lymphoma.
E)   hepatic cancer.F) A) and D)
G) C) and D)

Question 5

Which of the following viruses is suspected of being a cause of diabetes mellitus?

Accepted Answer

A)   hepatitis A
B)   enteroviruses
C)   echoviruses
D)   coxsackie B virus
E)   coxsackie A virusF) A) and D)
G) A) and C)

Question 6

How do coronaviruses differ from togaviruses?

Accepted Answer

A)   Coronaviruses are RNA viruses.
B)   Coronaviruses have helical capsids.
C)   Coronaviruses have an envelope.
D)   Coronaviruses contain positive RNA.
E)   Coronaviruses individual capsids can be visualized.F) B) and C)
G) A) and B)

Question 7

Which of the following is a family of six- pointed, star- shaped viruses that cause gastrointestinal diseases?

Accepted Answer

A)   Rhabdoviridae
B)   Caliciviridae
C)   Picornaviridae
D)   echovirus
E)   CoronaviridaeF) D) and E)
G) A) and B)

Question 8

Which of the following is a member of the Flaviviridae that is NOT an arbovirus?

Accepted Answer

A)   hepatitis C virus
B)   West Nile virus
C)   dengue virus
D)   eastern equine encephalitis virus
E)   hepatitis E virusF) B) and D)
G) B) and C)

Question 9

Coronaviruses cause gastrointestinal disease.

Accepted Answer

A) True 
 B)False

Question 10

Some patients who have suffered from polio develop symptoms 30- 40 years later in the form of

Accepted Answer

A)   meningitis.
B)   crippling deterioration and dysfunction in the polio- affected muscles.
C)   encephalitis.
D)   deterioration of the nerves that control polio- affected muscles.
E)   repeated cold symptoms.F) C) and D)
G) A) and D)

Question 11

Fever, fatigue, loss of appetite, and a yellow color of the sclera and skin, without hemorrhaging or kidney damage, are typically observed with

Accepted Answer

A)   hepatitis.
B)   yellow fever.
C)   dengue fever.
D)   gastroenteritis.
E)   rubella.F) D) and E)
G) A) and C)

Question 12

Which of the following is MISMATCHED?

Accepted Answer

A)   Sabin vaccine; live attenuated vaccine
B)   Salk vaccine; inactivated polio vaccine
C)   Salk vaccine; administered orally
D)   Sabin vaccine; less stable
E)   Salk vaccine; requires boostersF) C) and E)
G) B) and E)

Question 13

The type of polio that involves the infection of the brain stem and medulla is

Accepted Answer

A)   postpolio syndrome.
B)   bulbar poliomyelitis.
C)   nonparalytic polio.
D)   asymptomatic polio.
E)   minor polio.F) A) and C)
G) All of the above

Question 14

The causative agent of the disease commonly called "croup" is a coronavirus.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following characteristics distinguishes coronaviruses from rhinoviruses?

Accepted Answer

A)   cause common colds
B)   replicate best at 33°C
C)   envelope is present
D)   virions contain single- stranded positive RNA
E)   transmitted via respiratory dropletsF) A) and E)
G) A) and D)

Question 16

Humans may become infected with by inhaling aerosols of dried rodent excrement.

Accepted Answer

A)   West Nile virus
B)   hantavirus
C)   influenza virus
D)   Venezuelan encephalitis virus
E)   coronavirusesF) None of the above
G) D) and E)

Question 17

Compare and contrast infectious hepatitis (hepatitis
A) and hepatitis C in terms of agents, transmission, prevention, and disease outcomes.

Accepted Answer

Both viruses are unsegmented positive- s...

Question 18

Enteroviruses gain their name from the fact that they

Accepted Answer

A)   are transmitted by the fecal- oral route.
B)   infect the gastrointestinal tract.
C)   remain latent inside cells in the stomach and intestines.
D)   are able to withstand the low pH of the stomach.
E)   spread from the intestinal lining into the bloodstream to cause viremia.F) A) and B)
G) B) and D)

Question 19

The recent epidemic of SARS virus was caused by a(n)

Accepted Answer

A)   coronavirus.
B)   flavivirus.
C)   adenovirus.
D)   togavirus.
E)   rhinovirus.F) B) and C)
G) A) and E)

Question 20

Infection of day- care- age children with (HIV/RSV/SSPE) results in mild respiratory disease lasting about two weeks, but infection in infants is potentially fatal.

Accepted Answer

The answer of Infection of day- care- age children with...

Exam 25: Pathogenic Rna Viruses

The causative agent of the disease commonly called "croup" is a coronavirus.

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Which of the following characteristics distinguishes coronaviruses from rhinoviruses?

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Compare and contrast infectious hepatitis (hepatitis A) and hepatitis C in terms of agents, transmission, prevention, and disease outcomes.

Correct AnswerverifiedBoth viruses are unsegmented positive- s...View AnswerShow Answer

Which of the following viruses is suspected of being a cause of diabetes mellitus?

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The type of polio that involves the infection of the brain stem and medulla is

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Coronaviruses cause gastrointestinal disease.

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Compare and contrast the two polio vaccines used to nearly eradicate polio.

Correct AnswerverifiedBoth vaccines are effective in providing...View AnswerShow Answer

The recent epidemic of SARS virus was caused by a(n)

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Fever, fatigue, loss of appetite, and a yellow color of the sclera and skin, without hemorrhaging or kidney damage, are typically observed with

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Which of the following is MISMATCHED?

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Which of the following is a family of six- pointed, star- shaped viruses that cause gastrointestinal diseases?

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Which of the following is a member of the Flaviviridae that is NOT an arbovirus?

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How do coronaviruses differ from togaviruses?

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Some patients who have suffered from polio develop symptoms 30- 40 years later in the form of

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The human T- lymphotropic virus 1 causes

Correct AnswerverifiedShow Answer

Rotavirus infection is easily treatable, but it is a leading cause of death among children around the world.

Correct AnswerverifiedShow Answer

Infection of day- care- age children with (HIV/RSV/SSPE) results in mild respiratory disease lasting about two weeks, but infection in infants is potentially fatal.

Correct AnswerverifiedShow Answer

Which of the following pairs is MISMATCHED?

Correct AnswerverifiedShow Answer

Humans may become infected with by inhaling aerosols of dried rodent excrement.

Correct AnswerverifiedShow Answer

Enteroviruses gain their name from the fact that they

Correct AnswerverifiedShow Answer

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Both viruses are unsegmented positive- s...
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Both vaccines are effective in providing...
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