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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 B

Explanation

Ranitidine is a histamine H2-receptor antagonist that blocks histamine-mediated gastric acid secretion.

Antacids can interfere with the absorption of ranitidine, so it is important to separate their administration by at least 1 hour.
Choice A is wrong because aspirin is a type of nonsteroidal anti-inflammatory drug (NSAID) which can increase the risk of peptic ulcers.
Choice C is wrong because fine hand tremors are not a known side effect of ranitidine.
Choice D is wrong because there is no need to avoid dairy products when taking ranitidine.

A. Avoid massaging the site after injection. B. Inject the medication into the abdomen. C. Administer the medication through clothing if necessary. D. Aspirate prior to administration of the medication.

Correct Answer is C

Explanation

The nurse should instruct the client to administer the medication through clothing if necessary.

In an emergency, an epinephrine auto-injector can be given through clothing.
Choice A is wrong because massaging the site after injection is not mentioned as something to avoid in the instructions for using an epinephrine auto-injector.
Choice B is wrong because the medication should be injected into the outer thigh, not the abdomen.
Choice D is wrong because aspiration prior to administration of the medication is not mentioned as a necessary step in the instructions for using an epinephrine auto-injector.

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Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is providing teaching to a client who has a gastric ulcer and a new prescription for ranitidine. Which of the following statements by the client indicates an understanding of the teaching?

Correct Answer is B

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A nurse is teaching a client who has multiple allergies about using an epinephrine auto-injector. Which of the following instructions should the nurse include?

Correct Answer is C

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