What speed should be used for the rotating drum of a water-sealed ...

[mcmcdaniel]

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]

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.

[mcmcdaniel]

Excellent

[sultansheikh]

Gracias!