A nurse is preparing to administer dextromethorphan 30 mg PO. The amount available is dextromethorphan oral liquid 7.5 mg/5mL. How many mL should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["20"]
To calculate the volume of dextromethorphan to be administered, we can use the following formula:
Volume (mL) = Desired Dose (mg) / Concentration (mg/mL)
Plugging in the given values:
Volume (mL) = 30 mg / (7.5 mg/5 mL)
Volume (mL) = 30 mg x (5 mL / 7.5 mg)
Volume (mL) = 20 mL
Therefore, the nurse should administer 20 mL of dextromethorphan oral liquid.
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Related Questions
Correct Answer is C
Explanation
To determine the total number of units of insulin to prepare, we simply add the two prescribed doses together:
Total units = Regular insulin units + NPH insulin units
Total units = 14 units + 28 units
Total units = 42 units
Therefore, the nurse should prepare 42 units of insulin in the syringe.
Correct Answer is ["100"]
Explanation
To calculate the IV flow rate in drops per minute (gtt/min), we can use the following formula:
gtt/min = (Volume (mL) x Drop Factor (gtt/mL)) / Time (minutes)
Given:
Volume = 100 mL
Drop Factor = 60 gtt/mL
Time = 1 hour = 60 minutes
Plugging in the values:
gtt/min = (100 mL x 60 gtt/mL) / 60 minutes
Simplifying:
gtt/min = 6000 gtt / 60 minutes
Calculating the result:
gtt/min = 100 gtt/min
Therefore, the nurse should set the IV flow rate to deliver 100 gtt/min.
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