ATI RN
ATI Pharmacology Proctored Exam 2019
1. When caring for a client prescribed Digoxin, which of the following laboratory values should the nurse monitor to assess for potential toxicity?
- A. Sodium
- B. Potassium
- C. Magnesium
- D. Calcium
Correct answer: B
Rationale: When a client is prescribed Digoxin, monitoring potassium levels is crucial as hypokalemia can increase the risk of Digoxin toxicity. Low potassium levels can potentiate the effects of Digoxin on the heart, leading to toxicity. Therefore, regular monitoring of potassium levels helps in preventing adverse effects and ensuring the safe use of Digoxin. Sodium, magnesium, and calcium levels are not directly associated with Digoxin toxicity; hence, they are not the primary focus for monitoring in this case.
2. A client with breast cancer is being taught about Tamoxifen. Which of the following adverse effects of tamoxifen should the client be informed about?
- A. Irregular heart rhythm
- B. Abnormal uterine bleeding
- C. Yellowing of the sclera or dark-colored urine
- D. Difficulty swallowing
Correct answer: B
Rationale: Abnormal uterine bleeding is a known adverse effect of tamoxifen. It is important to educate the client about this side effect as those taking tamoxifen are at an increased risk for endometrial cancer. Any abnormal uterine bleeding should be promptly reported and evaluated by healthcare providers to ensure timely management and monitoring. The other options, such as irregular heart rhythm, yellowing of the sclera or dark-colored urine, and difficulty swallowing, are not typically associated with tamoxifen use and are not commonly reported adverse effects. Therefore, they are not the priority adverse effects to inform the client about.
3. A client has a new prescription for Warfarin. Which of the following herbal supplements should the client be instructed to avoid?
- A. St. John's wort
- B. Echinacea
- C. Garlic
- D. Ginseng
Correct answer: A
Rationale: St. John's wort should be avoided by clients taking Warfarin as it can reduce the medication's effectiveness by affecting its metabolism. Echinacea, garlic, and ginseng are also known to interact with Warfarin, either by increasing the risk of bleeding or altering its anticoagulant effects. However, St. John's wort is particularly significant due to its potent enzyme-inducing properties that can lead to subtherapeutic levels of Warfarin, potentially increasing the risk of blood clots.
4. A client with Graves' disease is being taught about her prescribed medications. Which of the following statements by the client indicates an understanding of the use of Propranolol in the treatment of Graves' disease?
- A. Propranolol helps increase blood flow to my thyroid gland.
- B. Propranolol is used to prevent excess glucose in my blood.
- C. Propranolol will decrease my tremors and fast heart rate.
- D. Propranolol promotes a decrease in thyroid hormone in my body.
Correct answer: C
Rationale: The correct answer is C. Propranolol is a beta-adrenergic antagonist that helps decrease heart rate and control tremors in individuals with Graves' disease. It does not increase blood flow to the thyroid gland (choice A), prevent excess glucose in the blood (choice B), or directly decrease thyroid hormone levels in the body (choice D). Propranolol's primary role in Graves' disease is to alleviate symptoms like tremors and fast heart rate by blocking the effects of excessive thyroid hormone, rather than reducing the actual levels of thyroid hormone in the body.
5. A client has a new prescription for Levodopa/Carbidopa for Parkinson's disease. Which of the following instructions should the nurse include?
- A. Increase intake of protein-rich foods.
- B. Expect muscle twitching to occur.
- C. Take this medication with food.
- D. Anticipate relief of manifestations in 24 hours.
Correct answer: C
Rationale: The correct instruction for the nurse to include is to advise the client to take Levodopa/Carbidopa with food. This recommendation helps reduce gastrointestinal side effects commonly associated with this medication. Food can help minimize nausea and other stomach-related issues that may occur when taking Levodopa/Carbidopa. Options A, B, and D are incorrect. Increasing intake of protein-rich foods is not necessary with this medication. Muscle twitching is not an expected side effect of Levodopa/Carbidopa. Anticipating relief of manifestations in 24 hours is unrealistic as it may take days to weeks for the full therapeutic effect of the medication to be achieved.
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