Author Question: What speed should be used for the rotating drum of a water-sealed spirometer to measure volume ... (Read 71 times)

mcmcdaniel · **on:** Jul 16, 2018

What speed should be used for the rotating drum of a water-sealed spirometer to measure volume changes during a forced vital capacity maneuver?

a. 16 mm/min c. 160 mm/min
b. 32 mm/min d. 1920 mm/min

Question 2

When a patient inhales while connected to a water-sealed spirometer, the bell moves _____ and the pen moves _____.

a. Up; up c. Down; up
b. Up; down d. Down; down

missalyssa26 · **Reply #1 on:** Jul 16, 2018

Answer to Question 1

ANS: D
The fastest speed (1920 mm/min) is used for recording volume changes during forced vital ca-pacity maneuvers.

Answer to Question 2

ANS: C
Inhalation causes the bell to move downward and the pen to move upward.