The nurse attaches a pulse oximeter to a client's finger and obtains an oxygen saturation reading of 91%. Which assessment finding most likely contributes to this reading?

Blood pressure is 142/88 mm Hg.

Radial pulse volume is 3+.

2+ edema of fingers and hands.

Capillary refill time is 2 seconds.

Answer and Explanation

The Correct Answer is C

A. Blood pressure is 142/88 mm Hg:

While elevated blood pressure may have implications for cardiovascular health, it is not directly related to oxygen saturation levels measured by a pulse oximeter.

B. Radial pulse volume is 3+:

A strong radial pulse volume suggests adequate peripheral perfusion, which would not typically contribute to a low oxygen saturation reading.

C. 2+ edema of fingers and hands:

Edema of the fingers and hands can impair the transmission of light through tissues, which may interfere with the accuracy of oxygen saturation readings obtained from a pulse oximeter. Edematous tissues may absorb light and lead to falsely low readings.

D. Capillary refill time is 2 seconds:

Normal capillary refill time indicates adequate peripheral circulation, which would not typically contribute to a low oxygen saturation reading.

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Correct Answer is B

Explanation

A. Assess strength of deep tendon reflexes:

Hyperkalemia can affect neuromuscular function, leading to alterations in deep tendon reflexes. However, determining the apical pulse rate and rhythm is more crucial as hyperkalemia can cause cardiac dysrhythmias and cardiac arrest.

B. Determine apical pulse rate and rhythm:

This is the most important intervention because hyperkalemia can lead to life-threatening cardiac dysrhythmias, including ventricular tachycardia and ventricular fibrillation. Monitoring the apical pulse rate and rhythm allows the nurse to detect any abnormalities promptly.

C. Compare muscle strength bilaterally:

Hyperkalemia can cause muscle weakness or paralysis due to its effects on neuromuscular function. While assessing muscle strength is important, monitoring cardiac function takes precedence because of the potential for life-threatening dysrhythmias.

D. Observe color and amount of urine:

Hyperkalemia can affect renal function, leading to changes in urine output and composition. While monitoring urine output and characteristics is important for assessing renal function, it is not the most critical intervention when managing acute hyperkalemia and its potential cardiac effects.

A. Ask questions in a vague, non specific format. B. Get the most difficult questions over with first. C. Begin with questions that are less sensitive in nature. D. Share personal values to put the client at ease.

Correct Answer is C

Explanation

In this situation, the best approach for the nurse to use when questioning the client about sexual activity is:

A. Ask questions in a vague, nonspecific format.

This approach may lead to confusion or misunderstanding on the part of the client and may not elicit the necessary information about sexual activity. It's important for the questions to be clear and specific to ensure accurate assessment and appropriate care.

B. Get the most difficult questions over with first.

Starting with the most difficult or sensitive questions may put the client on the defensive or make them feel uncomfortable. It's generally more effective to build rapport and trust with the client before broaching sensitive topics.

C. Begin with questions that are less sensitive in nature.

This approach allows the nurse to establish rapport and build trust with the client before addressing more sensitive topics such as sexual activity. Starting with less sensitive questions can help the client feel more comfortable and open up about their concerns.

D. Share personal values to put the client at ease.

Sharing personal values may not be appropriate or helpful in this context, as it could potentially influence the client's responses and compromise the objectivity of the assessment. The focus should be on creating a safe and supportive environment for the client to discuss their health concerns without feeling judged.

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The nurse attaches a pulse oximeter to a client's finger and obtains an oxygen saturation reading of 91%. Which assessment finding most likely contributes to this reading?

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Naxlex Comprehensive Predictor Exams

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Correct Answer is B

Explanation

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Correct Answer is C

Explanation

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