Multiple Choice
Where is the enzyme reverse transcriptase typically found?
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17. Viruses
Viruses
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All of these statements are characteristic of varicella-zoster virus (VZV) infections except:
A
Primary infection with VZV typically causes chickenpox.
B
VZV is a non-enveloped, double-stranded RNA virus.
C
Reactivation of VZV can result in shingles (herpes zoster).
D
VZV can establish latency in sensory ganglia.
Verified step by step guidance1
Step 1: Understand the characteristics of the varicella-zoster virus (VZV). VZV is a member of the herpesvirus family, which is known to be an enveloped, double-stranded DNA virus. This is a key feature to keep in mind when analyzing the statements.
Step 2: Review the provided statements one by one. The first statement, 'Primary infection with VZV typically causes chickenpox,' is correct because VZV is the causative agent of chickenpox during its primary infection.
Step 3: Analyze the second statement, 'VZV is a non-enveloped, double-stranded RNA virus.' This statement is incorrect because VZV is an enveloped, double-stranded DNA virus, not RNA. This makes it the exception among the statements.
Step 4: Evaluate the third statement, 'Reactivation of VZV can result in shingles (herpes zoster).' This is correct because VZV can reactivate later in life, causing shingles.
Step 5: Assess the fourth statement, 'VZV can establish latency in sensory ganglia.' This is also correct because VZV has the ability to remain dormant in sensory ganglia after the primary infection, a hallmark of herpesviruses.
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