A client with nasal congestion receives a prescription for phenylephrine 10 mg by mouth every 4 hours. Which client condition should the nurse report to the healthcare provider before administering the medication?

Diarrhea.

Bronchitis.

Hypertension.

Edema.

Answer and Explanation

The Correct Answer is C

Choice A reason: Diarrhea is not a contraindication for phenylephrine, which is a decongestant that reduces swelling and mucus in the nasal passages. However, the nurse should monitor the client's fluid and electrolyte balance and provide adequate hydration.

Choice B reason: Bronchitis is not a contraindication for phenylephrine, which may help relieve some of the symptoms of bronchitis, such as nasal congestion and cough. However, the nurse should also encourage the client to use other measures, such as steam inhalation, expectorants, and rest.

Choice C reason: Hypertension is a contraindication for phenylephrine, which can increase blood pressure and heart rate by constricting blood vessels. The nurse should report this condition to the healthcare provider and withhold the medication until further orders.

Choice D reason: Edema is not a contraindication for phenylephrine, which does not affect fluid retention or distribution. However, the nurse should assess the cause of edema and monitor the client's weight and urine output.

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Correct Answer is D

Explanation

Choice A reason: Increased urinary clearance of the multiple medications is not the cause of the client's syncope. Diuresis is a common side effect of some antihypertensive medications, such as diuretics, but it does not lower the blood pressure to a dangerous level. The nurse should monitor the client's fluid and electrolyte balance and urine output, but it is not the priority action in this situation.

Choice B reason: The synergistic effect of the multiple medications is not the cause of the client's syncope. Synergism is when two or more drugs work together to produce a greater effect than the sum of their individual effects. This can be beneficial or harmful, depending on the drugs and the doses. The nurse should check the client's medication history and avoid prescribing drugs that have a negative synergistic effect, but it is not the most likely explanation for the client's hypotension.

Choice C reason: The antagonistic interaction among the various blood pressure medications is not the cause of the client's syncope. Antagonism is when two or more drugs work against each other to reduce or cancel out their effects. This can decrease the effectiveness of the treatment and increase the risk of complications. The nurse should check the client's medication history and avoid prescribing drugs that have a negative antagonistic effect, but it is not the most likely explanation for the client's hypotension.

Choice D reason: The additive effect of multiple medications is the most likely cause of the client's syncope. Additivity is when two or more drugs have a similar effect and their combined effect is equal to the sum of their individual effects. This can lower the blood pressure too much and cause symptoms such as dizziness, fainting, and shock. The nurse should hold the client's scheduled antihypertensive medications and notify the healthcare provider. The nurse should also monitor the client's vital signs, level of consciousness, and perfusion.

A. Thirty minutes into the administration of the IV dose and 30 minutes before the next administration of the medication. B. One hour after completion of the IV dose and one hour before the next administration of the medication. C. Two hours after completion of the IV dose and two hours before the next administration of the medication. D. Immediately after completion of the IV dose and 30 minutes before the next administration of the medication.

Correct Answer is B

Explanation

Choice A reason: This is not the correct time to collect the peak and trough levels. The peak level should be measured after the completion of the IV dose, not during the administration. The trough level should be measured just before the next administration, not 30 minutes before.

Choice B reason: This is the correct time to collect the peak and trough levels. The peak level should be measured one hour after the completion of the IV dose, when the concentration of the medication is highest in the blood. The trough level should be measured one hour before the next administration, when the concentration of the medication is lowest in the blood.

Choice C reason: This is not the correct time to collect the peak and trough levels. The peak level should be measured one hour after the completion of the IV dose, not two hours after. The trough level should be measured one hour before the next administration, not two hours before.

Choice D reason: This is not the correct time to collect the peak and trough levels. The peak level should be measured one hour after the completion of the IV dose, not immediately after. The trough level should be measured one hour before the next administration, not 30 minutes before.

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A client with nasal congestion receives a prescription for phenylephrine 10 mg by mouth every 4 hours. Which client condition should the nurse report to the healthcare provider before administering the medication?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client who receives multiple antihypertensive medications experiences syncope due to a drop in blood pressure to 70/40 mm Hg. Which is the rationale for the nurse's decision to hold the client's scheduled antihypertensive medications?

Correct Answer is D

Explanation

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Correct Answer is B

Explanation

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