The nurse taking a blood pressure should:

place the arm so that the brachial artery is at waist level.

chat with the patient to reduce any anxiety in the patient.

request that the patient put feet flat on the floor.

position the patient so that the arm is level with the shoulder.

Answer and Explanation

The Correct Answer is C

A.   The brachial artery should be at heart level, not waist level, to ensure accurate blood pressure readings.
B.   While chatting with the patient may help reduce anxiety, it is not directly related to positioning for accurate blood pressure measurement.
C.   Having the patient place their feet flat on the floor ensures proper positioning and helps prevent any interference with blood pressure readings.
D.   The arm should be at heart level, not at the shoulder, for accurate readings.

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Correct Answer is A

Explanation

A. Pulse oximetry works by using light absorption to measure the oxygen saturation of hemoglobin in the blood, which typically occurs through the capillary bed in areas like the finger or earlobe.
B. The pulse oximeter does not measure the amount of blood passing through the sensor directly, but rather the oxygen content of the blood.
C. The pulse oximeter does not assess the warmth of the skin as a mechanism for measuring oxygenation.
D. Pulse oximeters measure oxygen saturation levels, not the respiratory rate or blood pressure.

A. 54 mm Hg B. 80 mm Hg. C. 64 mm Hg. D. 14 mm Hg.

Correct Answer is B

Explanation

Pulse pressure is calculated as the difference between systolic and diastolic blood pressure. 170 - 90 = 80 mm Hg, so the pulse pressure would be 80mmHg.

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The nurse taking a blood pressure should:

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Naxlex Comprehensive Predictor Exams

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Correct Answer is A

Explanation

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Correct Answer is B

Explanation

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