A nurse is preparing to administer exenatide 10 mcg subcutaneous.
Available is exenatide 250 mcg/mL. How many mL should the nurse administer? (Round the answer to the nearest hundredth.
Use a leading zero if it applies.
Do not use a trailing zero.). mL.
The Correct Answer is ["0.04 mL"]
Step 1 is to find out how many mcg are in 1 mL. This is done by dividing the total amount of mcg available (250 mcg) by the total volume in mL (1 mL). So, 250 mcg ÷ 1 mL = 250 mcg/mL. Step 2 is to find out how many mL are needed to get 10 mcg. This is done by dividing the required amount in mcg (10 mcg) by the concentration in mcg/mL (250 mcg/mL). So, 10 mcg ÷ 250 mcg/mL = 0.04 mL. So the correct answer is 0.04 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["1.2 mL"]
Explanation
Step 1 is to convert the client’s weight from pounds to kilograms since the dosage is ordered in mg/kg. There are approximately 2.2 lb/kg, so 165 lb ÷ 2.2 lb/kg = 75 kg. The doctor ordered phenobarbital at a dosage of 2 mg/kg/day divided into 2 equal doses, so we multiply the client’s weight in kg by the dosage and divide by 2: (75 kg × 2 mg/kg/day) ÷ 2 = 75 mg/dose. The medication is available at a concentration of 65 mg/mL, so we divide the total mg needed per dose by the mg per mL: 75 mg ÷ 65 mg/mL = 1.15 mL.
So, the correct answer is 1.2 mL.
Correct Answer is ["2 mL"]
Explanation
Step 1 is to determine the amount of medication needed. The order is for 30 mg and the available medication is 15 mg/mL. So, we calculate 30 mg ÷ 15 mg/mL = 2 mL. So the correct answer is 2 mL.
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