The nurse would refrain from applying a blood pressure cuff on the affected arm of a patient who has a(n): (Select all that apply)

dialysis shunt.

2-year-old hand amputation.

previous mastectomy.

patent IV line.

Answer and Explanation

Correct Answer : A,C

A.   A dialysis shunt requires careful monitoring to avoid damaging the shunt, and blood pressure cuffs should not be applied to the arm with a shunt.
B.   A hand amputation does not affect the use of the blood pressure cuff, but care should be taken with the affected area.
C.   A previous mastectomy increases the risk of lymphedema, and using a blood pressure cuff on the affected arm could exacerbate this.
D.   A patent IV line is not a contraindication for blood pressure measurement, but the nurse should take care not to interfere with the IV.

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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. a drop of 15 to 20 mm Hg from baseline when changing position. B. dizziness upon rising to a standing position. C. blurred vision. D. syncope.

Correct Answer is ["A","B","C","D"]

Explanation

A. A significant drop in blood pressure when standing (typically greater than 20 mm Hg systolic or 10 mm Hg diastolic) is a hallmark of orthostatic hypotension.
B. Dizziness upon standing is a classic symptom of orthostatic hypotension due to decreased blood flow to the brain.
C. Blurred vision can also result from decreased blood flow and is a common symptom of orthostatic hypotension.
D. Syncope (fainting) can occur as a result of orthostatic hypotension when the brain does not receive enough oxygenated blood due to the drop in blood pressure.

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The nurse would refrain from applying a blood pressure cuff on the affected arm of a patient who has a(n): (Select all that apply)

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Naxlex Comprehensive Predictor Exams

The nurse explains to a patient that the pulse oximeter can measure the arterial oxygen by:

Correct Answer is A

Explanation

The nurse assesses that the 86-year-old patient is experiencing orthostatic hypotension when assessments indicate: (Select all that apply.)

Correct Answer is ["A","B","C","D"]

Explanation

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