Heat

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2022-08-19

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Heat.

Load during maximal exertion should not exceed three times resting heat load.
. Syncope is caused by an inappropriately high cardiac output.
Stroke is a less serious condition than heat syncope.
Adaptation results in the subject having a smaller rise in core temperature for a given level of work.
Adaptation takes about six days rather than six weeks to develop.

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safaTerkawi

2022-08-19

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A. False It normally increases ten to fifteen-fold in a fit individual.

B. False It is caused by cardiac output not rising sufficiently to compensate for the fall in peripheral resistance due to the skin vasodilation.

C. False Unlike heat syncope, heat stroke is likely to be fatal unless treated promptly and effectively.

D. True Due to the development of more efficient heat-losing mechanisms.

E. False Six weeks gives useful and fairly complete adaptation.

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