The nurse is teaching a group of health assistants about the stethoscope. Which of the following statements about the stethoscope will the nurse include in this teaching session? Standard Text: Select all that apply
1. The stethoscope works by blocking out environmental sounds.
2. Short tubing provides the listener with the most accurate sounds.
3. The bell of the stethoscope is used for high-pitched sounds, such as lung sounds.
4. Cleaning the stethoscope is not necessary since it is not a vehicle for the spread of infection.
5. The binaurals should fit snugly in the ears.
1,2,5
Rationale 1: The stethoscope works by blocking out environmental sounds. The stethoscope works by blocking out environmental sounds; it does not amplify sounds in the body.
Rationale 2: Short tubing provides the listener with the most accurate sounds. Short tubing provides the listener with the most accurate sounds; longer tubing may distort sound.
Rationale 3: The bell of the stethoscope is used for high-pitched sounds, such as lung sounds. The bell of the stethoscope is used for low-pitched sounds, such as the sounds of a heart murmur. The diaphragm is used for high-pitched sounds, such as normal heart sounds and lung sounds.
Rationale 4: Cleaning the stethoscope is not necessary since it is not a vehicle for the spread of infection. The stethoscope should be cleaned after examining a client to prevent the spread of infection.
Rationale 5: The binaurals should fit snugly in the ears. The binaurals should fit snugly yet comfortably in the ears.
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