Production of pyrogens is a __________ phenomenon?
Correct answer: A. Protective
- A. Protective
- B. Destructive
- C. Constructive
- D. Aggressive
Explanation
Pyrogens raise the hypothalamic temperature set point and trigger fever, which can hinder the growth or replication of some pathogens and support immune activity. Students may choose destructive because fever can become harmful if excessive, but the production of pyrogens is initially a protective response.
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About Thermoregulation
Thermoregulation maintains body temperature through negative feedback controlled mainly by the hypothalamus. It covers vasodilation and vasoconstriction, sweating, shivering, changes in metabolic heat production and behavioural responses, while distinguishing heat loss by radiation, conduction, convection and evaporation from temperature regulation itself.
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