PATHOLOGY MCQ
IMMUNE RESPONSE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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After an initial infection, B-cells recognize the chicken pox virus. How is this helpful in human immune response?
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The B-cells use this recognition to defend the body against other pathogens, such as bacteria.
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The B-cells more quickly recognize and respond to any other virus that invades the body.
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The B-cells produce antibodies more quickly if the chicken pox virus is encountered again.
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The B-cells transfer this recognition to T-cells, which will then devour the viruses.
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Explanation:
Detailed explanation-1: -Can you catch chickenpox again once you have had it? In most cases, getting chickenpox once means you will not get it again. This is called lifelong immunity.
Detailed explanation-2: -After inhalation, chickenpox viruses invade the cells of the respiratory tract, replicate in the lymph nodes and are spread by white blood cells throughout the body. Eventually, they lodge in the skin, causing the itchy blisters that are characteristic of the disease.
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