Homeostasis

Review Questions

When faced with a sudden drop in environmental temperature, an endothermic animal will:

  1. experience a drop in its body temperature
  2. wait to see if it goes lower
  3. increase muscle activity to generate heat
  4. add fur or fat to increase insulation

Hint:

C

Which is an example of negative feedback?

  1. lowering of blood glucose after a meal
  2. blood clotting after an injury
  3. lactation during nursing
  4. uterine contractions during labor

Hint:

A

Which method of heat exchange occurs during direct contact between the source and animal?

  1. radiation
  2. evaporation
  3. convection
  4. conduction

Hint:

D

The body’s thermostat is located in the ________.

  1. homeostatic receptor
  2. hypothalamus
  3. medulla
  4. vasodilation center

Hint:

B