Exam 16: Energy Balance and Temperature Regulation

Peripheral thermoreceptors monitor skin temperature.

Sustained exercise is the most common cause of hyperthermia.

Match the terms labelled a. through g. with the correct characteristic. -morbid fear of becoming overweight

The basal metabolic rate is the body's lowest metabolic rate.

Match the items labelled a. through e. with their descriptions. -all forms of biological energy expenditure that do not accomplish work outside the body

Internal work includes the expended energy when skeletal muscles are contracted to move external objects.

An elevated body temperature is always indicative of an infection.

Match the heat exchange terms labelled a. through d. with their descriptions. -heat loss by means of conversion of water from a liquid to a gaseous state

Match the heat exchange terms labelled a. through d. with their descriptions. -emission of heat energy from the surface of a warm body in the form of electromagnetic waves

Which of these actions occurs when vasodilation of the blood vessels in the skin occurs

Hyperthermia-associated, abnormally high levels of thyroid hormone elevate the core temperature by increasing the rate of metabolic activity.

Match the terms labelled a. through g. with the correct characteristic. -slowing of all body processes as a result of generalized cooling

Skin vasoconstriction reduces the temperature of the skin.

We lose or gain heat through ____________________ to the layer of air in direct contact with our bodies.

Which of these statements describes obesity

Skin thermoreceptors are capable of regulating core temperature in the absence of the hypothalamic temperature control centres.

The ____________________ humidity is the most important factor influencing the evaporation of sweat.