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22 Feb 2018

Arrange in order the events that occur in the production of a fever of 39.4 C (103 F) and recovery from this state

A.39.4 C the temperature is reached and maintained

B.Prostaglandins (PGs) cause the hypothlmic thermostat to be reset from normal 37.5 C (98.6 F) to a higher temperature such as 39.4 C (103 F)

C.Vasocostriction and shivering occur as heat is conserved in order to raise body temperature to the 39.4 C (103 F) level directed by hypothalamus

D.Sourse of pyrogens is removed ( for example bacteria are killed by antibiotics )lowering phytoalamic thermostat to 37.5 C (98.6 F)

E.Crisis occurs .Obeying hypothalamic orders the body shifts to heat loss mechanism such as sweating and vasodilation returning body temperature to normal.

F.Infectious organism cause phagocytes to release interleukin-1 which the causes hypothalamic release of PGs.

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Beverley Smith
Beverley SmithLv2
24 Feb 2018

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