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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2575"]
Explanation
To calculate the total intake, we need to add up the volume of all the fluids administered to the client during the past 9 hours.
IV fluids:
Lactated Ringer's IV: 150 mL/hour x 9 hours = 1350 mL
Cefazolin: 100 mL
Two units of packed RBCs: 275 mL + 250 mL = 525 mL
Two IV bolus infusions: 250 mL x 2 = 500 mL
Ranitidine: 50 mL
Total IV fluids: 1350 mL + 100 mL + 525 mL + 500 mL + 50 mL = 2575 mL
Therefore, the nurse should record a total intake of 2575 mL.
Correct Answer is ["1.5"]
Explanation
To calculate the number of tablets needed, we'll set up a proportion:
x tablets / 150 mg = 1 tablet / 100 mg
Cross-multiplying:
100x = 150
Solving for x:
x = 150 / 100
x = 1.5
Therefore, the nurse should administer 1.5 tablets of desipramine per dose.
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