The nurse is caring for a post-surgical patient who was prescribed controlled substances classified schedule IV substances as:

having no currently accepted medical use and high potential for abuse

having a high potential for psychological or physical dependence

having a moderate potential for psychological or physical dependence

having a low potential for psychological or physical dependence

Answer and Explanation

The Correct Answer is D

A. Having no currently accepted medical use and high potential for abuse: Describes Schedule I drugs (e.g., heroin, LSD, ecstasy).

B. Having a high potential for psychological or physical dependence: Describes Schedule II drugs (e.g., morphine, oxycodone).

C. Having a moderate potential for psychological or physical dependence: Describes Schedule III drugs (e.g., codeine-containing medications).

D. Having a low potential for psychological or physical dependence: Schedule IV drugs (e.g., benzodiazepines like diazepam and tramadol) have a low potential for abuse and dependence compared to Schedule I-III substances.

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Correct Answer is A

Explanation

A. 1630 and 1930: Peak and trough levels are used to monitor drug effectiveness and prevent toxicity. Trough levels (lowest drug concentration) are drawn right before the next dose-1745 would be slightly too late. Peak levels (highest drug concentration) are drawn 30-60 minutes after administration (for IV drugs). Since the next dose is at 1800, the trough should be drawn just before the dose (1630) and the peak should be drawn 30-60 minutes after the dose (1930).

B. 1100 and 1700- Incorrect timing, not close to dose administration.

C. 1400 and 2200- Too far from the scheduled 1800 dose.

D. 1745 and 1830- Trough is too close to administration, peak is too early.

A. Place the patient on a cardiac monitor and check the patency of the IV B. Administer potassium intravenously in an IV push bolus C. Discontinue other medications that may affect potassium levels D. Avoid potassium rich foods in the diet

Correct Answer is A

Explanation

A. Place the patient on a cardiac monitor and check the patency of the IV: Hypokalemia (K+ = 2.5 mEq/L) can cause life-threatening cardiac dysrhythmias, so cardiac monitoring is essential. Additionally, potassium is highly irritating to veins, so IV patency must be confirmed to prevent extravasation and tissue damage.

B. Administer potassium intravenously in an IV push bolus- NEVER give potassium IV push as it can cause fatal cardiac arrest. Potassium must always be diluted and infused slowly.

C. Discontinue other medications that may affect potassium levels- Adjusting medications may be necessary, but not an immediate priority over cardiac monitoring.

D. Avoid potassium-rich foods in the diet - Incorrect because the client needs potassium replacement, not restriction.

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The nurse is caring for a post-surgical patient who was prescribed controlled substances classified schedule IV substances as:

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Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who is receiving an IV medication and has a prescription for peak and trough blood levels with the next dose scheduled for 1800. The nurse should expect the lab to draw blood samples at which of the following times?

Correct Answer is A

Explanation

A nurse is assisting with preparations for administering intravenous potassium replacement supplements to a client who has a potassium level of 2.5 mg Which of the following actions should the nurse plan to include?

Correct Answer is A

Explanation

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