ATI RN
ATI Pharmacology Quizlet
1. A client has a new prescription for Clozapine. Which of the following statements should the nurse include in the teaching?
- A. You should have a high-carbohydrate snack between meals and at bedtime.
- B. You are likely to develop hand tremors if you take this medication for a long period of time.
- C. You may experience temporary numbness of your mouth after each dose.
- D. You should have your white blood cell count monitored every week.
Correct answer: D
Rationale: Clozapine has a risk for fatal agranulocytosis, making weekly monitoring of the client's white blood cell (WBC) count essential to detect any potential issues early. This monitoring helps in managing the risk and ensuring the client's safety while on clozapine.
2. A patient has been taking hydrocodone, an opioid analgesic for their moderate pain, and they have taken more than the prescribed dose. What should you administer as the antidote if they experience toxicity?
- A. Naloxone
- B. N-acetylcysteine
- C. Atropine
- D. Digoxin immune Fab
Correct answer: A
Rationale: Naloxone is the specific antidote for opioid toxicity. It works by blocking the effects of opioids on the central nervous system, thereby reversing symptoms like respiratory depression and sedation. N-acetylcysteine is used for acetaminophen overdose, while atropine is indicated for certain types of poisonings. Digoxin immune Fab is used for digoxin toxicity. Therefore, in the case of opioid toxicity due to hydrocodone overdose, naloxone is the appropriate antidote.
3. What is the therapeutic use of Phenytoin?
- A. Replacement in hypothyroidism to restore normal hormonal balance
- B. Diminished accumulation of acid in the gastric lumen with lessened gastroesophageal reflux
- C. Diminished seizure activity, termination of ventricular arrhythmias
- D. Prevention of thrombus formation, prevention of extension of existing thrombi
Correct answer: C
Rationale: Phenytoin is primarily used to diminish seizure activity and is effective in terminating ventricular arrhythmias. It works by stabilizing neuronal membranes, reducing repetitive neuronal firing, and limiting the spread of seizure activity in the brain. While phenytoin does not have a direct role in preventing thrombus formation or extending existing thrombi, it is crucial in managing seizures and certain arrhythmias.
4. Which of the following drugs has a therapeutic effect that prevents thromboembolic events?
- A. Warfarin
- B. Amlodipine
- C. Nitroglycerin
- D. Clopidogrel
Correct answer: A
Rationale: The correct answer is Warfarin. Warfarin is an anticoagulant medication that helps prevent thromboembolic events by inhibiting the formation of blood clots. It is commonly used to reduce the risk of strokes or heart attacks in patients at risk for thrombosis.
5. A client has a new prescription for Captopril to treat hypertension. Which of the following instructions should the nurse include?
- A. Take the medication with food.
- B. Avoid salt substitutes.
- C. Increase your intake of potassium-rich foods.
- D. Expect a dry cough to develop.
Correct answer: B
Rationale: The correct instruction for the nurse to include is to advise the client to avoid salt substitutes. Salt substitutes often contain potassium, and captopril can cause hyperkalemia. By avoiding salt substitutes, the client can prevent elevated potassium levels and associated complications.
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