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.).
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale:
Tenderness is not considered a normal finding during percussion of the abdomen. Tenderness suggests an underlying issue or inflammation in the abdominal area, which requires further evaluation and investigation.
Choice B rationale:
Musical and drumlike sounds are considered normal findings during percussion of the abdomen. These sounds indicate the presence of air-filled structures like the stomach or intestines. Normal abdominal percussion sounds are tympanic, and they are characterized by a hollow, drum-like quality when the abdomen is tapped lightly. This finding suggests that there are no significant abnormalities in the abdominal area.
Choice C rationale:
Absent sounds during abdominal percussion are not considered normal and may indicate a potential problem. Absent sounds could be due to factors such as bowel obstruction or severe constipation, which require further assessment and intervention.
Choice D rationale:
Pain during abdominal percussion is not considered a normal finding. It indicates discomfort or tenderness in the abdominal area, which requires further evaluation to determine the underlying cause.
Correct Answer is B
Explanation
Choice A rationale:
This statement is incorrect. Antihypertensive drugs typically work by reducing blood pressure through various mechanisms, such as dilating blood vessels, reducing blood volume, or affecting the heart's workload. They do not increase blood flow to the heart and kidneys.
Choice B rationale:
This is the correct answer. Antihypertensive drugs work by affecting different aspects of the cardiovascular system, such as reducing blood vessel constriction (vasodilation), decreasing blood volume, or slowing the heart rate. By affecting these components, they can lower blood pressure.
Choice C rationale:
This statement is incorrect. Antihypertensive drugs can interact with other medications or supplements, potentially causing adverse effects or drug interactions. It's essential for the client to inform their healthcare provider of all medications and supplements they are taking to ensure safe and effective treatment.
Choice D rationale:
This statement is incorrect. Antihypertensive drugs do not cure hypertension but help control it. Clients need to understand that they will likely need to take these medications long-term to manage their blood pressure effectively.
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