A nurse is preparing to administer epinephrine 0.5 mg IM to a client. Available is epinephrine 1 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["0.5"]
Identify the desired dose:
The doctor has ordered 0.5 mg of epinephrine.
Identify the available medication concentration:
The available epinephrine injection is 1 mg/mL.
Set up the calculation:
We need to find out how many mL are needed to administer 0.5 mg of the medication. We can use the following formula:
(Desired dose) / (Concentration) = Volume to administer
Plug in the values and calculate:
(0.5 mg) / (1 mg/mL) = 0.5 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2"]
Explanation
Identify the desired dose:
The doctor has ordered 0.5 mg of alprazolam.
Identify the available tablet strength:
Each tablet contains 0.25 mg of alprazolam.
Set up the calculation:
We need to find out how many tablets are needed to administer 0.5 mg of the medication. We can use the following formula:
(Desired dose) / (Tablet strength) = Number of tablets
Plug in the values and calculate:
(0.5 mg) / (0.25 mg/tablet) = 2 tablets
Correct Answer is B
Explanation
A) Propranolol extended release 80 mg PO daily: This prescription is appropriate. Propranolol is a beta-blocker used for various conditions, such as hypertension, anxiety, and arrhythmias. The prescribed dose of 80 mg daily is within the standard dosage range for extended-release propranolol and is commonly prescribed for these conditions.
B) Sertraline 125 mg daily: This prescription should be clarified. The typical dosage for sertraline (a selective serotonin reuptake inhibitor, or SSRI) is 50–100 mg daily for most adults, with 125 mg being above the usual starting dose. While higher doses (up to 200 mg daily) are sometimes used, 125 mg daily is not typical and should be clarified with the provider to ensure it is correct.
C) Clonidine transdermal 0.1 mg/24 hr apply every 7 days: This prescription is appropriate. Clonidine is used to treat hypertension, and the 0.1 mg/24 hr transdermal patch is commonly prescribed, applied every 7 days. This is a standard dosing regimen for the transdermal formulation.
D) Pantoprazole 40 mg PO BID: This prescription is appropriate. Pantoprazole, a proton pump inhibitor (PPI), is typically dosed at 40 mg twice daily (BID) for conditions like gastroesophageal reflux disease (GERD) or peptic ulcers. The prescribed dose and frequency are consistent with common clinical practice for more severe cases.
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