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Set 25 Control Of Respiration

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Question 1

(Multiple Choice)

Free
Irritant receptors in the lower airway respond to all of the following except:

A)Chemical vapors.
B)Physical factors.
C)Distortion of the alveolar walls.
D)Particles.

Answer

Question 2

(Multiple Choice)

Free
Mild-moderate exercise is associated with:

A)Increases in arterial partial pressure of carbon dioxide (Pco2).
B)Decreases in arterial Po2.
C)Normal pH.
D)Lactic acidosis.
E)Anaerobic metabolism.

Answer

Question 3

(Multiple Choice)

Free
Carotid sinus nerve activity is increased in the presence of:

A)High O2 levels in the blood.
B)Normal CO2 levels in the blood.
C)Low O2 content.
D)Low pH.

Answer