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A nurse is preparing to administer lidocaine 50 mg IV bolus. Available is lidocaine 200 mg/mL. How many mL should the nurse administer (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Answer and Explanation

The Correct Answer is ["0.3"]

Calculating the Lidocaine Dose

Problem: Administer 50 mg of lidocaine IV bolus. The available concentration is 200 mg/mL.

Steps:

Set up a proportion:

We want to find the number of milliliters (mL) needed.

We know the desired dose (50 mg) and the concentration of the medication (200 mg/mL).

Proportion:

x mL / 50 mg = 1 mL / 200 mg

Cross-multiply:

200x = 50

Solve for x:

x = 50 / 200

x = 0.25

Answer: The nurse should administer 0.3 mL of lidocaine per dose(rounded to the nearest tenth).

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Free Nursing Study Resources

Correct Answer is C

Explanation

A) "Crushing the medication is a good idea, and I can mix it in some ice cream for you."
Crushing enteric-coated medications is not advisable as it can disrupt the medication’s intended release mechanism. Enteric coatings are designed to protect the stomach lining and ensure that the medication is released in the intestines. Crushing the medication would bypass these protective mechanisms.

B) "Crushing the medication might cause you to have a stomachache or indigestion."
While this statement is somewhat true, it does not fully address the primary concern. Enteric-coated medications are designed to protect the stomach lining and to ensure proper absorption. Crushing them could lead to other issues beyond just stomachache or indigestion.

C) "Crushing the medication would release all the medication at once, rather than over time."
This is the most accurate response. Enteric-coated aspirin is designed to dissolve in the intestines rather than the stomach, and crushing it would lead to the medication being released all at once, which could potentially cause irritation or harm to the stomach and reduce the medication's effectiveness.

D) "Crushing is unsafe, as it destroys the ingredients in the medication."
While crushing enteric-coated medications can be unsafe, the primary issue is not the destruction of the ingredients but the loss of the medication’s intended release mechanism. This can result in adverse effects or reduced efficacy.

Correct Answer is ["100"]

Explanation

Calculating the IV Infusion Rate

Problem: Administer 300 mg of clindamycin IV over 30 minutes. The available solution is 300 mg in 50 mL of 0.9% NaCl.

Steps:

Convert minutes to hours:

30 minutes x (1 hour / 60 minutes) = 0.5 hours

Calculate the infusion rate:

50 mL / 0.5 hours = 100 mL/hour

Answer: The nurse should set the IV pump to deliver 100 mL/hour.

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A nurse is preparing to administer lidocaine 50 mg IV bolus. Available is lidocaine 200 mg/mL. How many mL should the nurse administer (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

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Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who has difficulty swallowing medications and is prescribed enteric-coated aspirin PO once daily. The client asks if the medication can be crushed to make it easier to swallow. Which of the following responses should the nurse provide?

Correct Answer is C

Explanation

Correct Answer is ["100"]

Explanation

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