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Author Question: For carbon dioxide levels to remain constant during exercise, which of the following factors must be ... (Read 12 times)

dalyningkenk

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on: Jul 16, 2018
For carbon dioxide levels to remain constant during exercise, which of the following factors must be elevated?
 
  a. Alveolar ventilation
  b. Dead space ventilation
  c. Hemoglobin
  d. Bicarbonate

Question 2

Hypoventilation is defined as:
 
  a. decreased tidal volume.
  b. low-blood oxygen level.
  c. very slow respiratory rate.
  d. elevated blood carbon dioxide level.


ansleighelindsey

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

ANS: A
The partial pressure of carbon dioxide in the alveoli and blood is directly proportional to its pro-duction (CO2) and inversely proportional to its rate of removal by alveolar ventilation (VA).

Answer to Question 2

ANS: D
Ventilation that does not meet metabolic needs (resulting in respiratory acidosis) is termed hypoventilation. Hypoventilation is indicated by the presence of an elevated PaCO2.


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