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A client receives a prescription for penicillin 1.2 million units IM. The available vial is labeled, "600,000 units/2 mL." How many mL should the nurse administer? (Enter numeric value only.)

Answer and Explanation

The Correct Answer is ["4"]

Calculations:

Desired dose: 1.2 million units

Available dose: 600,000 units/2 mL

To find the volume to administer, we can use the following formula:

Volume to administer = (Desired dose / Available dose) * Volume per dose

Volume to administer = (1,200,000 units / 600,000 units/mL) * 2 mL = 4 mL

Therefore, the nurse should administer 4 mL of the penicillin solution.

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Correct Answer is C

Explanation

A. Determine daily caffeine intake:
Caffeine can impact sleep, but the primary concern with dextroamphetamine-amphetamine extended-release tablets is their potential to cause insomnia as a side effect. Assessing caffeine intake is secondary but can be considered if other factors are ruled out.

B. Ask about the client's bedtime routine:
The bedtime routine may affect sleep quality, but it is less directly related to the medication's effects compared to the timing of the medication. This information is useful but not as crucial in this context.

C. Determine what time the dose is taken:
The timing of dextroamphetamine-amphetamine administration is crucial because taking the medication too late in the day can interfere with sleep. This medication is known to cause insomnia if taken too close to bedtime, so assessing the timing is most important to address the sleep difficulty.

D. Inquire about perceived anxiety:
Anxiety can affect sleep, but the primary issue with dextroamphetamine-amphetamine extended-release tablets is their known side effect of causing insomnia. Addressing the timing of the medication is more directly related to resolving sleep issues in this case.

A. Avoid prolonged exposure to direct sunlight. B. Stop the oral contraceptive immediately. C. Take the medications at least 12 hours apart. D. Use an additional form of contraception.

Correct Answer is D

Explanation

A) Avoid prolonged exposure to direct sunlight: While erythromycin can increase sensitivity to sunlight, this is not directly related to the interaction between oral contraceptives and erythromycin. The primary concern with erythromycin and oral contraceptives is their interaction rather than sun exposure.

B) Stop the oral contraceptive immediately: There is no need to stop oral contraceptives when taking erythromycin. However, erythromycin can potentially reduce the effectiveness of oral contraceptives, so additional precautions should be taken rather than discontinuing the contraceptive.

C) Take the medications at least 12 hours apart: Timing of administration is not a primary concern for this interaction. The main issue is the potential reduction in contraceptive efficacy rather than timing the doses of the medications.

D) Use an additional form of contraception: Erythromycin can potentially decrease the effectiveness of oral contraceptives due to its effect on liver enzymes and drug metabolism. It is advisable to use an additional form of contraception to prevent unintended pregnancy while taking erythromycin.

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A client receives a prescription for penicillin 1.2 million units IM. The available vial is labeled, "600,000 units/2 mL." How many mL should the nurse administer? (Enter numeric value only.)

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client who is taking dextroamphetamine-amphetamine extended-release tablets for attention deficit hyperactivity disorder (ADHD), reports about having difficulty sleeping at night. Which assessment is most important for the nurse to obtain?

Correct Answer is C

Explanation

A client who is taking an oral contraceptive receives a new prescription for erythromycin. Which instruction should the nurse provide to the client?

Correct Answer is D

Explanation

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