OBJECTIVE LIFE SCIENCE
SIGNALLING IMMUNOLOGY CANCER
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is NOT part of the second line of defense?
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interferons
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low pH of the skin
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complement fixation
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pyrogens
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Explanation:
Detailed explanation-1: -An infection occurs when pathogens make it past the first line of defence and enter the body. When this happens, the immune system responds in some general ways that treat all pathogens equally. For example, it can trigger an increase in core body temperature to produce a fever.
Detailed explanation-2: -The immune system’s three lines of defense include physical and chemical barriers, non-specific innate responses, and specific adaptive responses.
There is 1 question to complete.