ATI RN
ATI Pharmacology Proctored Exam 2023
1. A client has a new prescription for Clonidine to assist with maintenance of abstinence from opioids. The nurse should instruct the client to monitor for which of the following adverse effects?
- A. Diarrhea
- B. Dry mouth
- C. Insomnia
- D. Hypertension
Correct answer: B
Rationale: Dry mouth is a common adverse effect associated with clonidine use. Clonidine is known to cause xerostomia (dry mouth) due to its effect on reducing salivary flow. Monitoring for dry mouth is important as it can lead to oral health issues and discomfort for the client. Diarrhea, insomnia, and hypertension are not typically associated with clonidine use, making them less likely adverse effects to monitor for in this scenario.
2. A healthcare provider is preparing to administer metoprolol to a client. Which of the following findings should the provider identify as a contraindication to receiving this medication?
- A. Bradycardia
- B. Hypertension
- C. Fever
- D. Rash
Correct answer: A
Rationale: Metoprolol, a beta-blocker, is contraindicated in clients with bradycardia as it can further lower the heart rate, potentially leading to more serious complications. Bradycardia is defined as a heart rate below 60 beats per minute, and administering metoprolol in such cases can exacerbate this condition, causing adverse effects on cardiac output. Hypertension, fever, and rash are not contraindications for metoprolol administration.
3. A client has been prescribed Warfarin for atrial fibrillation. Which of the following instructions should the nurse include in the discharge teaching?
- A. Avoid foods high in vitamin K.
- B. Take this medication with food to prevent nausea.
- C. Monitor your heart rate daily before taking the medication.
- D. Limit your fluid intake to 1 liter per day.
Correct answer: A
Rationale: The correct instruction for the nurse to include in the discharge teaching for a client prescribed Warfarin is to 'Avoid foods high in vitamin K.' Foods high in vitamin K can decrease the effectiveness of Warfarin by interfering with its anticoagulant effects, potentially leading to blood clotting issues. It is crucial for clients on Warfarin therapy to maintain a consistent intake of vitamin K-containing foods to ensure the stability of the medication's effects. Choices B, C, and D are incorrect because taking Warfarin with food, monitoring heart rate daily, or limiting fluid intake are not directly related to optimizing the effectiveness of Warfarin therapy.
4. Why does a nurse on an oncology unit verify a client's current cumulative lifetime dose of doxorubicin before administering it to a client with breast cancer?
- A. Excessive doxorubicin can result in myelosuppression.
- B. Exceeding the lifetime cumulative dose limit of doxorubicin may lead to extravasation.
- C. An excess amount of doxorubicin can lead to cardiomyopathy.
- D. Exceeding the lifetime cumulative dose limit of doxorubicin may cause red-tinged urine and sweat.
Correct answer: C
Rationale: Verifying the client's current cumulative lifetime dose of doxorubicin is necessary because excessive amounts of the medication can lead to cardiomyopathy, a serious and potentially life-threatening side effect. By monitoring the cumulative dose, healthcare providers can help prevent cardiotoxicity and ensure patient safety during treatment.
5. A client with cancer is prescribed methotrexate. Which supplement should the healthcare provider recommend to reduce the risk of methotrexate toxicity?
- A. Folic acid
- B. Magnesium
- C. Vitamin D
- D. Iron
Correct answer: A
Rationale: The correct answer is folic acid. Methotrexate is a folic acid antagonist, and supplementing with folic acid can help reduce the risk of methotrexate toxicity. Folic acid supplementation is commonly recommended to counteract the effects of methotrexate on folate metabolism. Magnesium, Vitamin D, and Iron are not specifically indicated to reduce the risk of methotrexate toxicity and therefore are incorrect choices in this scenario.
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