What Do You Know About Human Body Temperature? Quiz

5 Questions | Total Attempts: 319

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What Do You Know About Human Body Temperature? Quiz

Multiple Choice Questions


Questions and Answers
  • 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"