Homeostasis and Body Temperature Regulation Quiz

What is the primary function of the skin in temperature regulation?

• To maintain a constant body temperature

• To protect against pathogens

• To produce hormones

• To absorb nutrients

What happens to blood vessels when body temperature increases?

• They constrict

• They dilate

• They remain unchanged

• They harden

What is the process called when sweat evaporates to cool the body?

• Conduction

• Convection

• Evaporation

• Radiation

What role do erector muscles play when body temperature decreases?

• They relax

• They contract

• They disappear

• They thicken

What is vasoconstriction?

• Decrease in metabolic rate

• Increase in heart rate

• Narrowing of blood vessels

• Widening of blood vessels

What is the body's response to a decrease in temperature?

• Increased blood flow to the skin

• Vasodilation

• Shivering

• Increased sweating

How does the body lose heat when it is too hot?

• By shivering

• By sweating

• By constricting blood vessels

• By increasing metabolic rate

What happens to skin hairs when the body is hot?

• They lie flat

• They stand up

• They fall out

• They change color

What is homeostasis?

• The growth of cells

• The process of digestion

• The ability to maintain a stable internal environment

• The mechanism of breathing

What is a fever?

• A decrease in body temperature

• A temporary increase in body temperature

• A constant body temperature

• A condition of low energy