Q.1
To allow for more heat loss, the vessels supplying the skin capillaries undergo...
  • vasoconstriction
  • vasodilation
  • no change
  • leakage of fluid
Q.2
Which of the following encourages heat loss by evaporation?
  • Sweating
  • Urinating
  • Excretion
  • Breathing
Q.3
When we are cold, muscles shiver to increase...
  • heat generation
  • heat loss
  • cooling
  • evaporation
Q.4
What is the core temperature for humans, in degrees C?
  • 38
  • 37
  • 37.4
  • 36
Q.5
Thermoregulation is an example of...
  • keeping warm
  • homeostasis
  • hormonal control
  • keeping fit
Q.6
Name the part of the brain that controls body temperature in mammals.
  • Medulla
  • Cortex
  • Thermoregulatory center
  • Cerebellum
Q.7
Name the special cells responsible for detecting temperature changes.
  • Chemoreceptors
  • Thermoreceptors
  • Neuroreceptors
  • Baroreceptors
Q.8
When we exercise, the skin looks red due to...
  • more blood being pumped round the body
  • less blood to the muscles
  • increased blood flow in the skin capillaries
  • increased sweating
Q.9
Skin contains thermoreceptors which send messages to which of the following, to start body responses to maintain body temperature?
  • Heart
  • Skin
  • Thermoregulatory center
  • Adrenal gland
Q.10
When blood vessels tighten and have a smaller lumen, we call this...
  • vasoconstriction
  • vasodilation
  • vasomotion
  • vasodirection
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