A nurse is monitoring a client who is dehydrated. Which of the following laboratory findings should the nurse report to the provider?

Hematocrit 45% (37% to 52%)

Creatinine 0.9 mg/dL (0.5-1.2 mg/dL)

BUN 25 mg/dL (10-20 mg/dL)

Urine specific gravity 1.028 (1.005 to 1.030)

Answer and Explanation

The Correct Answer is C

A. Hematocrit 45% (37% to 52%): This value is within the normal range for hematocrit. Dehydration may increase the hematocrit due to a relative increase in red blood cell concentration, but 45% is still within normal limits.

B. Creatinine 0.9 mg/dL (0.5-1.2 mg/dL): This value is within the normal range for creatinine, indicating normal kidney function.

C. BUN 25 mg/dL (10-20 mg/dL): An elevated BUN level is a sign of dehydration as it reflects increased protein breakdown and decreased renal perfusion. This value is above the normal range and should be reported to the provider.

D. Urine specific gravity 1.028 (1.005 to 1.030): This value is within the normal range and indicates that the kidneys are concentrating urine, which is typical in dehydration as the body tries to conserve water.

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Correct Answer is ["50"]

Explanation

Flowrate(gtt/min) = Volume /Time× Dropfactor(gtt/mL)

Rate= 400ml /8hr ×60min/hr×60 gtt/mL

=400ml /480 × 60 gtt/mL

=50 gtt/min

A. Tap the face just below and in front of the ear. B. Inflate a blood pressure cuff around the upper arm for 4 minutes. C. Apply pressure over the ulnar and radial arteries. D. Forcefully dorsiflex the ankle when the knee is in an extended position.

Correct Answer is A

Explanation

A. Tap the face just below and in front of the ear: This is the correct technique for eliciting Chvostek’s sign, which involves tapping over the facial nerve. A positive sign (twitching of facial muscles) indicates hypocalcemia.

B. Inflate a blood pressure cuff around the upper arm for 4 minutes: This describes Trousseau’s sign, another test for hypocalcemia, where carpopedal spasm occurs due to ischemia.

C. Apply pressure over the ulnar and radial arteries: This describes Allen’s test, used to assess arterial blood flow, not calcium levels.

D. Forcefully dorsiflex the ankle when the knee is in an extended position: This describes Homan’s sign, which is used to assess for deep vein thrombosis (DVT), not hypocalcemia.

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A nurse is monitoring a client who is dehydrated. Which of the following laboratory findings should the nurse report to the provider?

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Naxlex Comprehensive Predictor Exams

Correct Answer is ["50"]

Explanation

The nurse is using Chvostek sign to assess for hypocalcemia. Which statement correctly describes this test?

Correct Answer is A

Explanation

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