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.
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Naxlex Comprehensive Predictor Exams
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Correct Answer is D
Explanation
Choice A rationale:
This statement is incorrect. Major Depressive Disorder (MDD) is typically more severe than dysthymia and is characterized by recurrent episodes of severe depression lasting at least two weeks.
Choice B rationale:
This statement is incorrect. Dysthymia is not characterized by alternating episodes of mania and depression. It is a chronic, low-grade depressive disorder.
Choice C rationale:
This statement is incorrect. Dysthymia can impair social and occupational functioning, similar to MDD. Both conditions can have a significant impact on a person's daily life.
Choice D rationale:
This statement is accurate. Dysthymia is a chronic depressive disorder that lasts for at least two years but is generally less severe than MDD. It is characterized by persistent, milder symptoms of depression.
Correct Answer is C
Explanation
Choice A rationale:
While it’s important to monitor for any adverse reactions following a vaccination, not all fevers are serious. Mild fever can be a common side effect of vaccinations and is usually not a cause for concern. However, if the child develops a high fever, or if the fever is accompanied by other severe symptoms such as difficulty breathing or extreme lethargy, it should be reported to a healthcare provider immediately.
Choice B rationale:
There is no need to keep the child home from daycare following the Hib vaccine unless the child is feeling unwell or has other symptoms that warrant staying home. The Hib vaccine is not a live vaccine, so the child cannot transmit the vaccine strain to others.
Choice C rationale:
Applying a cool pack to the injection site can help reduce discomfort or swelling that may occur after the vaccination. This is a safe and effective method for managing minor side effects of vaccinations.
Choice D rationale:
Aspirin should not be given to children due to the risk of Reye’s syndrome, a rare but serious condition that can affect the liver and brain. Instead, over-the-counter pain relievers such as acetaminophen or ibuprofen can be used to help manage any pain or fever following the vaccination, if approved by a healthcare provider. Always follow the dosing instructions on the package and consult with a healthcare provider if unsure.
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