The nurse is teaching a group of unlicensed assistive personnel about the stethoscope. Which statements about the stethoscope are appropriate for the nurse to include in the teaching session? (Select all that apply.)

The diaphragm of the stethoscope is used for low-pitched sounds.

The binaural should fit snugly in the ears.

Short tubing provides the listener with the most accurate sounds.

The bell of the stethoscope is used for high-pitched sounds, such as lung sounds.

The stethoscope works by blocking out environmental sounds.

Answer and Explanation

Correct Answer : B,C,E

A. The diaphragm of the stethoscope is used for high-pitched sounds, such as lung and normal heart sounds, not low-pitched sounds.

B. The binaural (earpieces) should fit snugly in the ears to ensure proper sound transmission and clarity.

C. Short tubing provides more accurate sounds by minimizing sound distortion, making it ideal for clinical use.

D. The bell of the stethoscope is used for low-pitched sounds, such as heart murmurs, not high-pitched sounds.

E. The stethoscope works by blocking out environmental sounds to help the user focus on internal body sounds.

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Correct Answer is B

Explanation

A. Early ventricular repolarization is represented by the T wave, not the P wave.

B. The P wave represents atrial depolarization, which is the electrical activity that triggers the contraction of the atria.

C. Slow repolarization of ventricular Purkinje fibers is represented by the T wave, not the P wave.

D. Ventricular depolarization is represented by the QRS complex, not the P wave.

A. heroin B. ecstasy C. cocaine D. marijuana

Correct Answer is C

Explanation

Rationale:

A. Heroin use is generally associated with intravenous use and is less commonly linked to nasal septum perforation.

B. Ecstasy (MDMA) is primarily used in tablet form and is not typically associated with nasal use that would cause septal perforation.

C. Cocaine is frequently snorted, which can lead to irritation and damage to the nasal passages and septum, resulting in perforation.

D. Marijuana is usually smoked rather than snorted, and it is not commonly associated with nasal septum perforation.

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The nurse is teaching a group of unlicensed assistive personnel about the stethoscope. Which statements about the stethoscope are appropriate for the nurse to include in the teaching session? (Select all that apply.)

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Explanation

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