THE HUMAN IMMUNE SYSTEM
IMMUNE RESPONSE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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To replace burned skin, doctors can successfully transplant replacement skin taken from another part of the body of the burn victim. Which statement best explains why the transplanted skin is not rejected?
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The transplanted skin is damaged, making the immune system nonfunctional.
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The antigens of the replacement skin are the same as those of the damaged skin.
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Burn victims lose so much blood that white blood cells cannot cause an immune response.
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here is no blood supply to the skin, so mixing of antigens does not occur.
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Explanation:
Detailed explanation-1: -Why is the transplanted skin not rejected? The antigens of the replacement skin are the same as those of the damaged skin.
Detailed explanation-2: -Which of the following best describes the relationship between the blood of the mother and that of the fetus? Maternal and fetal blood exchange chemicals through diffusion.
Detailed explanation-3: -Several hundred million sperm cells are produced daily by healthy young adult males. Between 200 and 600 million sperm cells are normally released in each ejaculation. Since only one sperm cell is required for conception, this huge number would seem to be an extreme overkill.
There is 1 question to complete.