ATI RN Pharmacology 2019 I | Nurselytic

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ATI RN Pharmacology 2019 I Questions

Extract:


Question 1 of 5

A nurse is preparing to administer enoxaparin 1 mg/kg subcutaneously every 12 hr. The client's weight is 121 lb. Available is enoxaparin 60 mg/0.6 mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer: C

Rationale:
To calculate the correct dose, first convert the weight from pounds to kilograms: 121 lb / 2.2 = 55 kg. Next, calculate the dose: 1 mg/kg * 55 kg = 55 mg. Since 60 mg is available per 0.6 mL, divide the dose by the available concentration: 55 mg / 60 mg = 0.9167 mL. Rounded to the nearest tenth, the nurse should administer 0.9 mL.
Therefore, the correct answer is C: 0.6 mL.
Choice A is incorrect as it does not account for the precise calculation.
Choice B is incorrect as it provides more precision than necessary.
Choice D is incorrect as it overestimates the dose.

Question 2 of 5

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Question 3 of 5

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Question 4 of 5

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Question 5 of 5

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