The nurse is teaching a class on basic assessment skills. Which of these statements is true regarding the stethoscope and its use?
a. Slope of the earpieces should point posteriorly (toward the occiput).
b. Although the stethoscope does not magnify sound, it does block out extraneous room noise.
c. Fit and quality of the stethoscope are not as important as its ability to magnify sound.
d. Ideal tubing length should be 22 inches to dampen the distortion of sound.
ANS: B
The stethoscope does not magnify sound, but it does block out extraneous room sounds. The slope of the earpieces should point forward toward the examiner's nose. Long tubing will distort sound. The fit and quality of the stethoscope are both important.
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