If Your Body Is Healthy and the Functions Maintaining Homeostasis

question 33

Multiple Choice

If your body is healthy and the functions maintaining homeostasis are working correctly, how can a person get heat stroke?

• A) They're overweight and thus have too large a surface area to allow sufficient heat loss.
• B) They're out of shape, so they sweat too much.
• C) Conditions are such that the body heats up faster than its cooling effectors can cool it down.
• D) They lose too many salts in sweat.
• E) The environment may be very dry, leading to excessive evaporation.

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Definitions:

Platelet Plug

Accumulation of platelets that stick to each other and to connective tissue; prevents blood loss from damaged blood vessels.

Collagen Fibers

Strong, insoluble protein fibers that provide structural support, strength, and elasticity to connective tissue.

Thrombin

An enzyme in blood plasma that causes the clotting of blood by converting fibrinogen to fibrin.

Phagocytotic Cells

Cells that protect the body by ingesting harmful foreign particles, bacteria, and dead or dying cells.