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A nurse is preparing to administer sulfadiazine 150mg/kg PO to divide equally every 6 hr to an adolescent who weighs 88 Ib.

Available is sulfadiazine 500 mg/tab.
How many tablets should the nurse administer per dose?

(Round to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.).

1 tablet.

3 tablets.

4 tablets.

8 tablets.

Answer and Explanation

The Correct Answer is B

Step 1: Convert weight from lb to kg.

88 lb ÷ 2.2 = 40 kg

Step 2: Calculate total daily dose in mg.

150 mg/kg × 40 kg = 6000 mg

Step 3: Calculate dose per administration (every 6 hr).

6000 mg ÷ 4 = 1500 mg

Step 4: Calculate number of tablets per dose.

1500 mg ÷ 500 mg/tab = 3 tablets

Answer:

3 tablets per dose.

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Correct Answer is A

Explanation

The correct answer is choice A. Increased pulse rate.

An aPTT of 90 seconds is much higher than the normal range of 30-40 seconds, which means the blood takes longer to clot and the client is at risk of bleeding. An increased pulse rate is a sign of blood loss and shock.

Choice B is wrong because increased blood pressure is not a sign of bleeding, but rather a sign of hypertension or stress.

Choice C is wrong because decreased temperature is not a sign of bleeding, but rather a sign of hypothermia or infection.

Choice D is wrong because decreased respiratory rate is not a sign of bleeding, but rather a sign of respiratory depression or sedation.

A. Subcutaneous insulin injections. B. Bicarbonate by IV infusion. C. 0.9% sodium chloride 15 m/kg/hr. D. Potassium chloride 10 mEq/hr.

Correct Answer is C

Explanation

The first intervention for a client with diabetic ketoacidosis and a blood glucose level of 800 mg/dL should be to initiate fluid replacement therapy with 0.9% sodium chloride at a rate of 15 mL/kg/hr.

This will help to replace fluids lost through excessive urination and to dilute the excess sugar in the blood.

Choice A is wrong because subcutaneous insulin injections are not the first intervention for diabetic ketoacidosis.

Insulin therapy is generally given intravenously.

Choice B is wrong because bicarbonate by IV infusion is not the first intervention for diabetic ketoacidosis.

Choice D is wrong because potassium chloride at a rate of 10 mEq/hr is not the first intervention for diabetic ketoacidosis.

Electrolyte replacement may be necessary to replace minerals such as sodium, potassium, and chloride, but this is not the first intervention 2.

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Naxlex Comprehensive Predictor Exams

A nurse is assessing a client who is receiving heparin via continuous IV. The client has an aPTT of 90 seconds. The nurse should monitor the client for which of the following changes in their vital signs?

Correct Answer is A

Explanation

A nurse in the emergency department is admitting a client who has diabetic ketoacidosis and a blood glucose level of 800 mg/dL. Which of the following interventions should the nurse initiate first?

Correct Answer is C

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