What Do You Know About Human Body Temperature? Quiz
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Multiple Choice Questions
- 1.The body's automatic tendency to maintain a constant internal environment is termed
- A.
Balanced equilibrium.
- B.
Physiological chance.
- C.
Homeostasis.
- D.
Static equilibrium.
- 2.An example of a properly functioning homeostatic control system is seen when
- A.
The core body temperature of a runner rises gradually from 37°C to 45°C.
- B.
The kidneys excrete salt into the urine when dietary salt levels rise.
- C.
A blood cell shrinks when placed in a solution of salt and water.
- D.
The blood pressure increases in response to an increase in blood volume.
- 3.Positive feedback has occurred when
- A.
An increase in blood sugar increases the secretion of a hormone that stores sugar as glycogen.
- B.
A decrease in blood sugar increases the secretion of a hormone that converts glycogen to glucose.
- C.
A nursing infant's sucking increases the secretion of a milk-releasing hormone in the mother.
- D.
An increase in calcium concentration increases the secretion of a hormone that stores calcium in bone.
- 4.An overheated and sick dog has an impaired thermoregulatory response if it
- A.
Increases its evaporative heat loss.
- B.
Decreases its metabolic heat production.
- C.
Increases its body temperature to match the environmental temperature.
- D.
Increases its vasodilation in blood vessels near the skin.
- 5.In mammals this response is known as fever, but it is known to raise body temperature in other bacterially infected animals, including lizards, fishes, and cockroaches:
- A.
Growth of hair
- B.
Reduced metabolic rate
- C.
Sweating
- D.
A change in thermostat "set-point"
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