Nursing Elites

1. One drug can alter the absorption of another drug. One drug increases intestinal motility. Which effect does this have on the second drug?

• A. None; absorption of the second drug is not affected.
• B. The increased gut motility decreases the absorption of the second drug.
• C. The absorption of the second drug cannot be predicted.
• D. Less of the second drug is absorbed.

Correct answer: D

Rationale: When one drug increases intestinal motility, it accelerates the movement of the second drug through the system. Since most oral medications are absorbed in the intestine, the faster transit time decreases the absorption of the second drug. Therefore, less of the second drug is absorbed. Choice A is incorrect because the increased gut motility does affect the absorption of the second drug. Choice C is incorrect as the effect of increased intestinal motility on drug absorption can be predicted based on pharmacokinetic principles. Choice B is incorrect as increased gut motility would not increase but decrease the absorption of the second drug.

2. When administering intravenous electrolyte solution, which of the following precautions should the nurse take?

• A. Infuse hypertonic solutions cautiously.
• B. Mix no more than 60 mEq of potassium per liter of fluid.
• C. Prevent infiltration of calcium, which causes tissue necrosis and sloughing.
• D. Monitor the client's digitalis dosage for potential adjustments due to IV calcium administration.

Correct answer: C

Rationale: When administering intravenous electrolyte solutions, it is crucial to prevent infiltration of calcium to avoid tissue necrosis and sloughing. Hypertonic solutions should be infused cautiously (Choice A) to prevent adverse effects. The correct amount of potassium to be mixed in a liter of fluid is no more than 60 mEq, making Choice B incorrect. While monitoring the client's digitalis dosage for potential adjustments due to IV calcium administration is important, the statement suggesting an increased dosage is incorrect as IV calcium diminishes digitalis's action, making Choice D incorrect.

3. After a client with an Automated Internal Cardiac Defibrillator (AICD) is successfully defibrillated for Ventricular Fibrillation (VF), what should the nurse do next?

• A. Go to the client to assess for signs and symptoms of decreased cardiac output.
• B. Call the physician to inform them of the VF episode for medication adjustments.
• C. Call the 'on-call' person in the cath lab to re-charge the ICD in case of a recurrence.
• D. Document the incident on the code report form and follow up regularly.

Correct answer: A

Rationale: After a client is successfully defibrillated, the immediate priority is to assess the client for signs and symptoms of decreased cardiac output, such as altered level of consciousness, chest pain, shortness of breath, or hypotension. This assessment is crucial to determine the effectiveness of the defibrillation and the client's current hemodynamic status. Calling the physician for medication adjustments without assessing the client first could delay essential interventions. Contacting the 'on-call' person in the cath lab to re-charge the ICD is not the initial action needed after successful defibrillation. Documenting the incident is important but should not take precedence over assessing the client's immediate condition.

4. The nurse is caring for a client receiving warfarin therapy (Coumadin�) following a stroke. The client's PT/INR was completed at 7:00 A.M. prior to the morning meal with an INR reading of 4.0. Which of the following is the nurse's first priority?

• A. Call the physician to request an increase in the Coumadin� dose.
• B. Administer a vitamin K injection IM and notify the physician of the results.
• C. Assess the client for bleeding around the gums or in the stool and notify the physician of the lab results and latest dose of Coumadin�.
• D. Notify the next shift to hold the daily dose of Coumadin� scheduled for 5:00 P.M.

Correct answer: B

Rationale: In a client receiving warfarin therapy with a high INR of 4.0, the nurse's first priority is to administer a vitamin K injection intramuscularly (IM) and notify the physician of the results. An INR of 4.0 indicates excessive anticoagulation, putting the client at risk of bleeding. Vitamin K is the antidote for warfarin overdose and helps to reverse its effects. It is crucial to administer vitamin K promptly to prevent bleeding complications. Calling the physician to request an increase in the Coumadin� dose is inappropriate and dangerous in this situation, as it would further raise the INR. Assessing the client for bleeding and notifying the physician is important but not the first priority when faced with a critically high INR. Holding the daily dose of Coumadin� may be necessary after administering vitamin K, but it is not the primary action needed to address the acute high INR level.

5. The nurse is caring for a client with cirrhosis of the liver and suspects that the client may be developing hepatic encephalopathy. Which assessment by the nurse suggests that the client is developing this complication?

• A. Asterixis
• B. Hypertension
• C. Kussmaul respirations
• D. Lethargy

Correct answer: A

Rationale: Asterixis, also known as flapping tremors, is a characteristic sign of hepatic encephalopathy. It is a flapping tremor of the hands when the wrists are extended, indicating neurological impairment. Hypertension and Kussmaul respirations are not directly associated with hepatic encephalopathy. Lethargy is a common symptom but not a specific sign that suggests the development of hepatic encephalopathy.

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