The diaphragm of the stethoscope is better than the bell for auscultation of the lungs because it:
A) amplifies all types of sounds.
B) filters extraneous sounds.
C) pinpoints focal sound areas.
D) transmits high-pitched sounds.

Question

Quizplus · Accepted Answer

The diaphragm is the better source because it transmits the normally high-pitched sounds of the lung, and it has a broader area from which to listen. Unless specially modified, the stethoscope does not amplify sound, filter extraneous sounds, or pinpoint focal sound areas.

The Diaphragm of the Stethoscope Is Better Than the Bell