A client is taking furosemide (Lasix). Which electrolyte should be monitored most closely?
📚 Rationale: Furosemide is a loop diuretic causing potassium wasting. Hypokalemia causes cardiac dysrhythmias. Monitor K+ levels and teach high-potassium foods.
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Question 5 of 10
A nurse administering IV vancomycin sees flushing and redness of the face and neck. What is this?
📚 Rationale: Red Man Syndrome occurs when vancomycin is infused too fast. Slow the infusion rate. This is NOT a true allergy — it is rate-related.
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Question 6 of 10
Which medication requires monitoring for ototoxicity?
📚 Rationale: Aminoglycosides like gentamicin are ototoxic and nephrotoxic. Monitor for hearing loss and renal function.
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Question 7 of 10
A client on warfarin has INR of 5.8. What action should the nurse take?
📚 Rationale: INR 5.8 is supratherapeutic (goal 2-3). Hold warfarin and notify provider. Vitamin K may be given. Protamine reverses heparin, not warfarin.
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Question 8 of 10
Which food should a client taking MAOIs avoid?
📚 Rationale: MAOIs + tyramine-rich foods (aged cheese, red wine, cured meats) = hypertensive crisis. Patients must follow a strict low-tyramine diet.
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Question 9 of 10
A client prescribed digoxin has potassium of 2.8 mEq/L. What is the priority action?
📚 Rationale: Hypokalemia increases digoxin toxicity risk dramatically. Hold digoxin and notify provider to correct potassium first.
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Question 10 of 10
Insulin glargine (Lantus) should NEVER be:
📚 Rationale: Lantus must NEVER be mixed with other insulin — it will precipitate. It is clear (not cloudy) and should not be shaken.