Temperature control Quiz
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5 questions, one answer each
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1. What structure monitors and controls body temperature?
- A. The pituitary gland
- B. The thermoregulatory centre in the brain
- C. The pancreas
- D. The spinal cord
2. A student exercises hard on a hot day and becomes overheated. Which pair of responses would you expect?
- A. Vasoconstriction and reduced sweating
- B. Vasodilation and increased sweating
- C. Vasoconstriction and shivering
- D. Vasodilation and shivering
3. Why does shivering help to warm a cold body?
- A. Muscle contraction during shivering requires respiration, which transfers energy to warm the body
- B. Shivering directly widens blood vessels near the skin
- C. Shivering stops sweat glands from releasing sweat
- D. Shivering increases the rate of evaporation from the skin
4. A person is in a cold environment. Describe and explain what happens to the blood vessels supplying the skin capillaries.
- A. They dilate, increasing blood flow to the skin so more heat is lost to the environment
- B. They constrict, decreasing blood flow to the skin so less heat is lost to the environment
- C. They remain unchanged because only sweat glands respond to cold
- D. They dilate, decreasing blood flow to the skin to conserve heat
5. Which name for the brain's temperature control centre is NOT required by this specification?
- A. Thermoregulatory centre
- B. Hypothalamus
- C. Temperature control centre
- D. None — all names are required