PATHOLOGY MCQ
IMMUNE RESPONSE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the role of antibodies in fighting a virus?
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they call in the macrophages
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they recognize and neutralize the virus
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they make white blood cells
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they kill the phagocytes
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Explanation:
Detailed explanation-1: -Antibodies act against viruses primarily by binding to and neutralizing virions and by directing the lysis of infected cells by complement or killer leukocytes.
Detailed explanation-2: -IgG antibodies are usually of higher affinity and are found in blood and in extracellular fluid, where they can neutralize toxins, viruses, and bacteria, opsonize them for phagocytosis, and activate the complement system.
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