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Questions and Answers
What is the primary mode of transmission for cytomegalovirus (CMV)?
What is the primary mode of transmission for cytomegalovirus (CMV)?
- Vertical transmission from mother to child during pregnancy
- Transmission through close contact with virus-bearing material (correct)
- Transmission through contaminated food and water
- Airborne transmission through respiratory droplets
Which of the following symptoms is most commonly associated with CMV infection in healthy individuals?
Which of the following symptoms is most commonly associated with CMV infection in healthy individuals?
- Fever and fatigue
- The infection is usually asymptomatic (correct)
- Mental retardation
- Pneumonia
What is the most serious complication of CMV infection in immunosuppressed hosts?
What is the most serious complication of CMV infection in immunosuppressed hosts?
- Mental retardation
- Pneumonia (correct)
- Congenital defects
- Infectious mononucleosis syndrome
What is the typical incubation period for a CMV infection?
What is the typical incubation period for a CMV infection?
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Which of the following is the largest human herpesvirus (HHV)?
Which of the following is the largest human herpesvirus (HHV)?
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What is the most common outcome of congenital CMV infection?
What is the most common outcome of congenital CMV infection?
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Study Notes
Cytomegalovirus (CMV) Transmission and Symptoms
- CMV primarily spreads through direct contact with infected bodily fluids, including saliva, blood, urine, semen, and breast milk.
- In healthy individuals, CMV infection often presents with mild or asymptomatic conditions; however, symptoms may include fever, fatigue, and swollen glands.
Complications in Immunosuppressed Hosts
- The most serious complication of CMV infection in immunosuppressed individuals can lead to severe conditions such as pneumonia, retinitis, and gastrointestinal disease, potentially resulting in life-threatening situations.
Incubation Period and Herpesvirus Classification
- The typical incubation period for a CMV infection ranges from 3 to 12 weeks after exposure, with the average being around 6 weeks.
- CMV is classified as the largest human herpesvirus (HHV), exceeding the size of other herpesviruses.
Congenital CMV Infection Outcomes
- Congenital CMV infection is most commonly associated with neurodevelopmental disabilities and can result in hearing loss, vision impairment, and developmental delays in affected infants.
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