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Author Question: Which of the following statements is true if metabolism increases? a. PaCO2 will rise even if ... (Read 72 times)

CBme

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on: Jul 16, 2018
Which of the following statements is true if metabolism increases?
 
  a. PaCO2 will rise even if ventilation increas-es.
  b. The single-breath CO2 curve (SBCO2) in-creases if ventilation does not.
  c. The volumetric CO2 tracing will not change even if ventilation increases.
  d. CO2 production decreases proportionally.

Question 2

In the figure, what does area X represent?
 
  a. Amount of CO2 not eliminated because of alveolar dead space
  b. Amount of CO2 not eliminated due to an-atomic dead space
  c. Amount of CO2 in a single breath
  d. Amount of CO2 rebreathed


medine

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

ANS: B
If metabolism increases and ventilation does not, PaCO2 rises and the amount of CO2 exhaled during the SBCO2 increases.

Answer to Question 2

ANS: C
Area X represents the actual amount of CO2 exhaled in the breath, assuming that no exhaled air is rebreathed. This is the volume of CO2 in a single breath.


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CBme

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Reply #2 on: Jul 16, 2018
Correct answers!


medine

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Reply #3 on: Jul 16, 2018
Great! Please up vote :D


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