A client who weighs 176 pounds receives a prescription for norepinephrine 2 mcg/min intravenously (IV). The IV bag is labeled, "Norepinephrine 4 mg in dextrose 5% in water (D;W) 1,000 mL." How many mL/hour should the nurse program the infusion pump? (Enter numerical value only.).

Answer and Explanation

The Correct Answer is ["30"]

The correct answer is 30 mL/hour.

Step 1 is to calculate the total amount of norepinephrine in the IV bag: 4 mg norepinephrine ÷ 1000 mL = 0.004 mg/mL

Step 2 is to convert the patient's weight from pounds to kilograms: 176 pounds ÷ 2.2 = 80 kilograms

Step 3 is to calculate the total amount of norepinephrine the patient will receive per minute: 2 mcg/min × 60 min = 120 mcg/min

Step 4 is to convert micrograms (mcg) to milligrams (mg): 120 mcg ÷ 1000 = 0.12 mg

Step 5 is to calculate the total volume of norepinephrine needed per hour: 0.12 mg ÷ 0.004 mg/mL = 30 mL/hour

Therefore, the nurse should program the infusion pump to deliver 30 mL/hour.

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Correct Answer is A

Explanation

Choice B rationale:

Giving the wife a straw to help facilitate the client's drinking is not the most appropriate action in this situation. The client's facial paralysis and inability to move his left side could be indicative of a possible stroke or cerebral vascular accident (CVA). Before attempting to give the client fluids, it is essential to assess his swallowing reflex to prevent aspiration and ensure safety. Using a straw may not address the underlying issue.

Choice C rationale:

Assisting the wife and carefully giving the client small sips of water without assessing the swallowing reflex can be risky. If the client has impaired swallowing, this action could lead to aspiration and further complications. Assessing the client's ability to swallow is the priority to ensure safe oral intake.

Choice D rationale:

Obtaining thickening powder before providing any more fluids is premature without first assessing the client's swallowing ability. Thickened liquids may be necessary if the client has dysphagia, but the nurse should assess the client's condition and consult with the healthcare provider before making this decision. Assessing the swallowing reflex is the first step in determining the appropriate course of action.

A. Decreased heart rate B. Increased contractility C. Dilated coronary arteries D. Reduced blood pressure E. Relieved chest pain.

Correct Answer is ["A","C","D","E"]

Explanation

Choice A rationale:

Verapamil is a calcium channel blocker and is expected to decrease heart rate by inhibiting calcium influx into cardiac cells, particularly in the SA (sinoatrial) node, where it can slow down the heart's electrical impulses.

Choice B rationale:

Increased contractility is not an expected outcome of verapamil use. In fact, verapamil's main action is to decrease myocardial contractility, making it useful for treating conditions like angina and atrial fibrillation.

Choice C rationale:

Verapamil is known to dilate coronary arteries, which can improve blood flow to the heart muscle and relieve symptoms of angina.

Choice D rationale:

Reduced blood pressure is an expected outcome of verapamil use due to its vasodilatory effects on peripheral blood vessels. This can be beneficial in treating hypertension and angina.

Choice E rationale:

Relieved chest pain is an expected outcome of verapamil use, particularly in the case of variant angina (Prinzmetal's angina), as it helps to relax coronary arteries and reduce coronary artery spasm, which is a common cause of chest pain in this condition.

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A client who weighs 176 pounds receives a prescription for norepinephrine 2 mcg/min intravenously (IV). The IV bag is labeled, "Norepinephrine 4 mg in dextrose 5% in water (D;W) 1,000 mL." How many mL/hour should the nurse program the infusion pump? (Enter numerical value only.).

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Correct Answer is A

Explanation

A nurse is caring for a client who has variant angina and is prescribed verapamil. Which of the following are expected outcomes of this medication? (Select all that apply.)

Correct Answer is ["A","C","D","E"]

Explanation

A young adult is brought to the emergency department after taking a handful of drugs. The client is unresponsive, so an endotracheal tube (ETT) is inserted. How should the nurse determine if the ETT is correctly placed? (Select all that apply.).

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