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Author Question: A nurse wants to teach about one of the primary organs responsible for heat production. Which organ ... (Read 75 times)

azncindy619

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on: Jun 25, 2018
A nurse wants to teach about one of the primary organs responsible for heat production. Which organ should the nurse include?
 
  a. Pancreas
  b. Liver
  c. Adrenal medulla
  d. Heart

Question 2

Heat loss from the body via convection occurs by:
 
  a. evaporation of electromagnetic waves.
  b. transfer of heat through currents of liquids or gas.
  c. dilation of blood vessels bringing blood to skin surfaces.
  d. direct heat loss from molecule-to-molecule transfer.


iceage

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Reply #1 on: Jun 25, 2018
Answer to Question 1

ANS: C
Thyroxine acts on the adrenal medulla, causing the release of epinephrine into the bloodstream. Epinephrine causes vasoconstriction that increases metabolic rates, thus increasing heat produc-tion. Heat production does not involve the pancreas, the liver, or the heart.

Answer to Question 2

ANS: B
Convection occurs by transfer of heat through currents of gases or liquids, exchanging warmer air at the body's surface with cooler air in surrounding spaces. Convection does not involve electro-magnetic waves, bringing blood to skin surfaces, or molecule-to-molecule transfer.


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