Multiple injections by a 3-L syringe into a bellows-type spirometer produce the following results: Which of the following best describes these results?
A) The spirometer shows excessive drift.
B) The volume is being inappropriately corrected to BTPS.
C) The spirometer bellows are sticking.
D) Spirometer performance is acceptable.

Question

Multiple injections by a 3-L syringe into a bellows-type spirometer produce the following results:  Which of the following best describes these results?
A) The spirometer shows excessive drift. 
B) The volume is being inappropriately corrected to BTPS. 
C) The spirometer bellows are sticking. 
D) Spirometer performance is acceptable.

Quizplus · Accepted Answer

The multiple injections indicate that the spirometer is performing consistently and reproducibly. Therefore, spirometer performance is acceptable.

Multiple Injections by a 3-L Syringe into a Bellows-Type Spirometer