Exam 15: Fluid and Acidbase Balance

Metabolic rate can be measured indirectly by measuring the rate of oxygen consumption.

The unit of heat energy used in energy balance is the ____________________.

There is an obligatory increase in metabolic rate resulting from food intake.

____________________ may serve as a satiety signal to stop eating before ingested food is actually digested, absorbed, and made available to meet the body's energy needs.

Which of these statements correctly describes sweating?

By which of these means is heat NOT lost from the body when the surrounding temperature is low?

Which of these is a theory of satiety involving the hormone leptin?

Weight loss occurs when the energy derived from the food consumed is less than the energy expended by the body.

Skin vasoconstriction reduces the temperature of the skin.

Shivering is the main voluntary means of increasing the production of heat in the body.

Match the terms labelled a. through g. with the correct characteristic. a.hypothermia b.obesity c.frostbite d.hyperthermia e.anorexia f.heat stroke g.heat exhaustion -elevation in body temperature due to reasons other than an infection

Describe the mechanisms the body uses for coordinating food intake with energy output.

Which of these statements correctly describes obesity?

A(n) ____________________ energy balance occurs when the amount of energy in food intake equals the amount of energy expended by the muscles performing external work.

The region of the brain primarily responsible for controlling food intake is the ____________________.

Skin vasoconstriction increases the skin's insulative capacity.

Which one of these factors increases the metabolic rate to the greatest extent?

What percentage of the energy found in nutrient molecules is lost as heat?

Match the items labelled a. through e. with their descriptions. a.energy equivalent of oxygen b.external work c.calorie d.basal metabolic rate e.internal work -amount of heat required to raise the temperature of 1 gram of H₂O 1°C

The ____________________ signalling of the autonomic nervous system controls the vasomotor responses of the skin.