IMMUNE RESPONSE
CLASSICAL ALTERNATE AND LECTIN PATHWAYS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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How long does Immunoglobulin G circulate in serum providing protection?
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Months to Years
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Weeks to Months
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Less than 72 hours
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5-10 Days
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Explanation:
Detailed explanation-1: -As the name suggests, IVIG is administered intravenously, and the half-life of a typical intravenous immunoglobulin infusion is about 3 to 4 weeks.
Detailed explanation-2: -A high IgG level (1:800) could persist for > 3 months.
Detailed explanation-3: -IgG half-lives in piglet serum range from 6.5 to 22.5 days.
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