Which of the following would be a normal person's arterial carbon dioxide pressure (PaCO2)?
a. 25 to 35 mm Hg
b. 35 to 45 mm Hg
c. 45 to 60 mm Hg
d. 60 to 80 mm Hg
B
The normal PaCO2 range is 35 to 45 mm Hg; below this is hypocapnia, and above this is hypercapnia.
Health Professions
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The main purpose of the trachea is to prevent foreign substances from entering the lungs
Indicate whether the statement is true or false
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