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Author Question: Which of the following would help to decrease a patient's loss of body heat? 1. Increase the ... (Read 52 times)

dalyningkenk

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on: Jul 16, 2018
Which of the following would help to decrease a patient's loss of body heat? 1. Increase the temperature of the room. 2. Increase the exposed skin surface area. 3. Move the patient away from cold windows.
 
  a. 1 and 2 only
  b. 2 and 3 only
  c. 1, 2, and 3
  d. 1 and 3 only

Question 2

Which of the following is false about evaporation?
 
  a. Evaporation is a type of vaporization.
  b. The process of evaporation warms the surrounding air.
  c. Evaporation is the change of a liquid sub-stance into a gas.
  d. For evaporation to occur, heat energy is needed.


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wergv

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: D
In simple terms, for an object with a given emissivity, the larger the surface area (relative to mass) and the lower the surrounding temperature, the greater is the radiant heat loss per unit time.

Answer to Question 2

ANS: B
Vaporization is the change of state from liquid to gas. Vaporization requires heat energy. Ac-cording to the first law of thermodynamics, this heat energy must come from the surroundings. In one form of vaporization, called evaporation, heat is taken from the air surrounding the liquid, thereby cooling the air.


dalyningkenk

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Reply 2 on: Jul 16, 2018
Gracias!

JaynaD87

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Reply 3 on: Yesterday
Excellent

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