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Ati Dosage calculation RN fundamentals assessment 3.2 ( 35 Questions)
Question 1 of 35 :
A nurse is preparing to administer lidocaine 200 mg IM stat and repeat in 60 min. Available is lidocaine injection 300 mg/3 mL. How many mL should the nurse administer per dose? (Round the answer to the nearest whole number. Use a leading, zero if it applies. Do not use a trailing zero.)
Correct Answer: 2
Determine the desired dosage:
The nurse needs to administer 200 mg of lidocaine.
Determine the volume per dose:
The lidocaine injection contains 300 mg per 3 mL.
The nurse needs to administer 200 mg per dose.
To find the volume per dose, we can set up a proportion:
300 mg / 3 mL = 200 mg / x mL
300x = 600
Dividing both sides by 300, we get:
x = 2 mL
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