Author Question: During a single-breath capnogram, the sharp downstroke and return to baseline that normally oc-curs ... (Read 27 times)

clippers! · **on:** Jul 16, 2018

During a single-breath capnogram, the sharp downstroke and return to baseline that normally oc-curs after the end-tidal point indicates what?

a. Exhalation of mainly dead space gas
b. Inspiration of fresh respiratory gas
c. Exhalation of mixed alveolar and dead space gas
d. Exhalation of mainly alveolar gas

Question 2

What is the normal range for end-tidal CO2 as measured by capnography?

a. 0 to 5
b. 5 to 6
c. 6 to 8
d. 35 to 45

ricroger · **Reply #1 on:** Jul 16, 2018

Answer to Question 1

ANS: B
The sharp downstroke and return to baseline that normally occurs after the end-tidal point indi-cates inhalation of fresh gas with 0 CO2.

Answer to Question 2

ANS: B
In healthy individuals, the PETCO2 averages 1 to 5 mm Hg less than the PaCO2, or between 35 and 43 mm Hg (approximately 5 to 6 CO2).