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Which of the following is not a risk factor for accidental hypothermia?

A.

Cardiac arrest

B.

Falling through the ice

C.

Head trauma

D.

Drug use

Answer and Explanation

The Correct Answer is A

A. Cardiac arrest: Cardiac arrest is a complication of severe hypothermia, not a risk factor.

B. Falling through the ice: Major risk factor for accidental hypothermia due to immersion in cold water.

C. Head trauma:  Impaired thermoregulation in the brainstem can cause hypothermia.

D. Drug use: Certain drugs (e.g., alcohol, sedatives) impair the body’s ability to regulate temperature, increasing hypothermia risk.

 


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Related Questions

Correct Answer is D

Explanation

A. Constipation: Hypocalcemia causes diarrhea, while hypercalcemia causes constipation.

B. Negative Trousseau’s sign: A positive Trousseau’s sign (carpal spasm during BP cuff inflation) is expected with hypocalcemia.

C. BP of 180/88: Severe hypocalcemia may cause hypotension, not hypertension.

D. Numbness and tingling of the extremities: Hypocalcemia can occur after a total thyroidectomy due to accidental removal or damage to the parathyroid glands. Neuromuscular excitability, including paresthesia (numbness and tingling), tetany, and muscle spasms, are classic signs.

Correct Answer is B

Explanation

A. Assess the fistula with a large bore needle: Large bore needles are used during dialysis sessions, not for routine assessment. Inappropriate needling can damage the fistula.

B. Auscultate the fistula site for a bruit: A functional AV fistula should have a palpable thrill (vibration) and an audible bruit (whooshing sound) when auscultated with a stethoscope. These findings confirm adequate blood flow and patency.

C. Measure the blood pressure in the affected arm: Blood pressure measurements should never be taken on the fistula arm to prevent compression and potential fistula failure.

D. Assess the rate and quality of the radial pulse on the affected arm: The radial pulse does not accurately assess AV fistula patency; the focus should be on the thrill and bruit.

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