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A nurse is preparing to administer 40 mEq of potassium chloride in 45% sodium chloride (NaCl) 500 mL IV to infuse 10 mEq/hr. The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Answer and Explanation

The Correct Answer is ["125"]

To determine the mL/hr rate for the IV pump, we need to calculate the infusion rate of the

potassium chloride solution. Given:

Potassium chloride concentration: 40 mEq in 500 mL Infusion rate: 10 mEq/hr

We can set up a proportion to find the mL/hr rate:

(40 mEq / 500 mL) = (10 mEq / x mL) Cross-multiplying the equation:

40 mEq * x mL = 500 mL * 10 mEq Simplifying:

40x = 5000

Dividing both sides by 40:

x = 5000 / 40

x ≈ 125

Therefore, the nurse should set the IV pump to deliver approximately 125 mL/hr.

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Correct Answer is A

No explanation

A. Shortened QT intervals. B. Hypoactive deep tendon reflexes. C. Constipation D. Tingling of the extremities

Correct Answer is D

Explanation

Correct answer: D

A. Shortened QT intervals are not typically associated with hypocalcemia. Instead, prolonged QT intervals may be seen.

b.This is not typically associated with hypocalcemia. Instead, hypocalcemia usually causes hyperactive deep tendon reflexes due to increased neuromuscular excitability.

c.Constipation is not a specific finding related to hypocalcemia. Hypocalcemia can affect smooth muscle function, but constipation is not a commonly reported symptom.

d.This is a common symptom of hypocalcemia. Low calcium levels affect the nerves and muscles, leading to sensations of tingling, numbness, or even muscle cramps and spasms, particularly in the extremities and around the mouth.

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A nurse is preparing to administer 40 mEq of potassium chloride in 45% sodium chloride (NaCl) 500 mL IV to infuse 10 mEq/hr. The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is A

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Correct Answer is D

Explanation

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