ATI RN
ATI Pharmacology Quizlet
1. When caring for a client prescribed Lithium, which laboratory value should the nurse monitor to assess for potential toxicity?
- A. Serum sodium
- B. Serum lithium
- C. Serum potassium
- D. Serum calcium
Correct answer: B
Rationale: The nurse should monitor the client's serum lithium levels to ensure they are within the therapeutic range and to assess for potential toxicity. Monitoring serum lithium levels is crucial because lithium has a narrow therapeutic range, and levels outside this range can lead to toxicity, which can be life-threatening. Therefore, regular monitoring is essential to prevent adverse effects and ensure the medication's effectiveness.
2. A client in an acute care facility is receiving IV Nitroprusside for hypertensive crisis. The nurse should monitor the client for which of the following adverse reactions to this medication?
- A. Intestinal ileus
- B. Neutropenia
- C. Delirium
- D. Hyperthermia
Correct answer: C
Rationale: The correct answer is C: Delirium. When IV Nitroprusside is infused at high dosages, it can lead to thiocyanate toxicity, causing mental status changes such as delirium. It is crucial to monitor the thiocyanate levels to ensure they remain below 10 mg/dL during therapy to prevent adverse effects. Choices A, B, and D are incorrect because IV Nitroprusside is not commonly associated with intestinal ileus, neutropenia, or hyperthermia. Monitoring for delirium is crucial due to the risk of thiocyanate toxicity.
3. A client has a new prescription for a Nitroglycerin transdermal patch for Angina Pectoris. Which of the following instructions should the nurse include?
- A. Remove the patch each evening.
- B. Do not cut the patch in half even if angina attacks are under control.
- C. Remove the nitroglycerin patch for 30 minutes if a headache occurs.
- D. Apply a new patch every 48 hours.
Correct answer: A
Rationale: The correct instruction for a client using a Nitroglycerin transdermal patch is to remove the patch each evening to prevent tolerance. This allows for a nitrate-free period of 10 to 12 hours during each 24-hour period, reducing the risk of developing tolerance to the medication. Choice B is incorrect because cutting the patch could alter the dose delivery and is not recommended. Choice C is incorrect as removing the patch for 30 minutes when a headache occurs may not be effective in managing symptoms. Choice D is incorrect as Nitroglycerin patches are usually applied once daily, not every 48 hours.
4. A client has a new prescription for Atorvastatin. Which of the following instructions should be included?
- A. Take this medication with food.
- B. Avoid drinking grapefruit juice.
- C. Take this medication in the morning.
- D. Increase your intake of potassium-rich foods.
Correct answer: B
Rationale: The correct answer is to avoid drinking grapefruit juice when taking Atorvastatin. Grapefruit juice can interfere with the metabolism of Atorvastatin, leading to increased blood levels of the medication, which can result in a higher risk of adverse effects, such as muscle pain and liver damage. It is important for the client to follow this instruction to ensure the safe and effective use of Atorvastatin. Choices A, C, and D are incorrect. While taking Atorvastatin with food may be recommended for some individuals to reduce stomach upset, it is not a crucial instruction. The timing of Atorvastatin administration can vary depending on individual needs and is not universally fixed to the morning. Increasing potassium-rich foods is not directly related to Atorvastatin use and is not a standard precautionary measure associated with this medication.
5. A healthcare provider is caring for a client who has a new prescription for Clonidine. Which of the following adverse effects should the healthcare provider monitor?
- A. Drowsiness
- B. Dry mouth
- C. Weight gain
- D. Insomnia
Correct answer: B
Rationale: The correct answer is B: Dry mouth. Dry mouth is a common adverse effect of Clonidine. Clonidine can cause a reduction in salivary flow, leading to dry mouth. This symptom can be managed by increasing fluid intake or using sugar-free gum or candy to stimulate saliva production. Choices A, C, and D are incorrect. While drowsiness and insomnia are potential side effects of Clonidine, dry mouth is more commonly reported. Weight gain is not typically associated with Clonidine use.
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