The bell factor for a 9-L water-sealed spirometer bell is _____ mL/mm
a. 13.5 c. 20.93
b. 29.3 d. 41.73
ANS: C
The bell factor is the number of milliliters of gas that must be displaced to cause the kymographic pen to move 1 mm. The bell factor for a 9-L bell is 20.93 mL/mm.
Health Professions
You might also like to view...
Medicare Part B pays what percentage of covered medical services?
A) 20% B) 50% C) 80% D) 100%
Health Professions
What is the term for the ingested dose of a given substance that was lethal to 50 percent or more of the test population when substance was swallowed or eaten?
A. LD50 B. LC50 C. 50LD D. 50PPM
Health Professions