The physician writes an order for a client to receive 1 mg of ...

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The physician writes an order for a client to receive 1 mg of vitamin B12 once every month. Vitamin B12 comes in a 1000-mcg/mL vial.
 
  The nurse would administer _______ mL to the client each month.

Question 2

Dose desired / dose on hand = dose administered is the formula for calculating the dose to be administered. Under which of the following circumstances is this to be used?
 
  A) When the physician is not available to calculate the dosage
  B) When the dosage is written in the apothecary system
  C) When the dose desired and dose on hand are in the same system
  D) When the label of the drug is in the metric system

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Answer to Question 1

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Answer to Question 2

Ans: C
Feedback:
When the dose ordered by the physician (dose desired) is written in the same system as the dose on the drug container (dose on hand), the above formula is used for calculating the dose to be administered. When the physician is not available to calculate the dosage, the dosage is written in the apothecary system, and the label of the drug is in the metric system are circumstances in which it becomes necessary for the nurse to compute the drug dosage.