ATI RN
ATI Proctored Pharmacology 2023
1. A client is prescribed Propylthiouracil (PTU) for the treatment of Graves' disease. Which adverse effect should the client be instructed to report?
- A. Sore throat.
- B. Drowsiness.
- C. Urinary retention.
- D. Heat intolerance.
Correct answer: A
Rationale: The correct answer is A: Sore throat. A sore throat and fever can indicate agranulocytosis, a serious adverse effect of PTU that can lead to a decreased white blood cell count. This condition requires immediate medical attention to prevent complications. Choice B, drowsiness, is not typically associated with PTU and is not a common adverse effect that needs to be reported. Choice C, urinary retention, is not a typical adverse effect of PTU; therefore, it is not the correct answer. Choice D, heat intolerance, is a symptom commonly seen in hyperthyroidism, which PTU is used to treat, so it is not an adverse effect that needs to be specifically reported.
2. When starting therapy with trastuzumab, which finding should the nurse instruct the client to report?
- A. Dyspnea
- B. Constipation
- C. Tinnitus
- D. Dry mouth
Correct answer: A
Rationale: The correct answer is A: Dyspnea. Dyspnea can indicate pulmonary toxicity, a severe adverse effect of trastuzumab. It is crucial for the client to report any breathing difficulties promptly to ensure timely intervention and prevent further complications. Choices B, C, and D are incorrect because constipation, tinnitus, and dry mouth are not commonly associated with trastuzumab therapy and are not indicative of serious adverse effects that require immediate attention.
3. Which of the following is the antidote for Heparin toxicity?
- A. Protamine
- B. Methylene blue
- C. N-acetylcysteine
- D. Glucagon
Correct answer: A
Rationale: Protamine is the specific antidote for Heparin toxicity. Heparin is an anticoagulant medication, and if an overdose occurs or if there is excessive bleeding due to Heparin use, protamine, a positively charged molecule, can neutralize the anticoagulant effects of Heparin by forming a complex with it. This binding prevents Heparin from further inhibiting coagulation factors and helps in reversing its effects.
4. A nurse is evaluating teaching for a client who has Rheumatoid Arthritis and a new prescription for Methotrexate. Which of the following statements by the client indicates understanding of the teaching?
- A. I will be sure to return to the clinic at least once a year to have my blood drawn while I'm taking methotrexate.
- B. I will take this medication on an empty stomach.
- C. I'll let the doctor know if I develop sores in my mouth while taking this medication.
- D. I should stop taking oral contraceptives while I'm taking methotrexate.
Correct answer: C
Rationale: Ulcerations in the mouth, tongue, or throat are often the first signs of methotrexate toxicity and should be reported to the provider immediately.
5. A client is being taught about a new prescription for Celecoxib. Which of the following information should be included in the teaching?
- A. Increases the risk for a myocardial infarction
- B. Decreases the risk of stroke
- C. Inhibits COX-1
- D. Increases platelet aggregation
Correct answer: A
Rationale: The correct answer is A: 'Increases the risk for a myocardial infarction.' Celecoxib, a COX-2 inhibitor, increases the risk for a myocardial infarction due to its effect on suppressing vasodilation, which can lead to this adverse cardiovascular event. Choices B, C, and D are incorrect. Celecoxib does not decrease the risk of stroke, inhibit COX-1, or increase platelet aggregation. It's crucial for the nurse to educate the client about the increased risk for a myocardial infarction when taking Celecoxib and emphasize monitoring for signs of heart issues and the importance of seeking prompt medical attention if symptoms occur.
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