A nurse is preparing to administer calcitonin & units/kg IM to a client who weighs 130 lb. Available is calcitonin 200 units/mL for injection.
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.). mL.
The Correct Answer is ["& mL"]
Step 1 is to convert the client’s weight from pounds to kilograms since the dosage is ordered in units/kg. There are approximately 2.2 lb/kg, so 130 lb ÷ 2.2 lb/kg = 59.1 kg. The doctor ordered calcitonin at a dosage of & units/kg, so we multiply the client’s weight in kg by the dosage: 59.1 kg × & units/kg = & units. The medication is available at a concentration of 200 units/mL, so we divide the total units needed by the units per mL: & units ÷ 200 units/mL = & mL.
So, the correct answer is & mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.04 mL"]
Explanation
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.
Correct Answer is C
Explanation
Choice A rationale:
The label states to add 3.5 mL of diluent for reconstitution, not 5 mL. So, choice A is incorrect.
Choice B rationale:
After reconstitution, the vial will contain 1 gram of medication, not 500 mg. So, choice B is incorrect.
Choice C rationale:
The label does state to use the solution within 1 hour of reconstitution. So, choice C is correct.
Choice D rationale:
The label states the medication can be used for IM or IV, not only IM. So, choice D is incorrect.
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