ATI RN
ATI Pharmacology Test Bank
1. A healthcare provider is reviewing the medical history of a client who is scheduled for surgery and takes Warfarin daily. Which of the following laboratory results should the healthcare provider monitor?
- A. Potassium level
- B. INR
- C. BUN
- D. Platelet count
Correct answer: B
Rationale: The INR (International Normalized Ratio) is the most important lab value to monitor in a client taking warfarin. Warfarin is an anticoagulant, and the INR reflects the effectiveness of anticoagulation therapy. Monitoring the INR helps ensure the client is within the therapeutic range to prevent both clotting and bleeding complications.
2. A client is starting a course of Metronidazole to treat an infection. For which of the following adverse effects should the client stop taking Metronidazole and notify the provider?
- A. Metallic taste
- B. Nausea
- C. Ataxia
- D. Dark-colored urine
Correct answer: C
Rationale: The correct answer is C, 'Ataxia.' Ataxia is a sign of central nervous system (CNS) toxicity, which can be a severe adverse effect of Metronidazole. Metallic taste and nausea are common side effects of Metronidazole but do not require stopping the medication unless they persist or worsen. Dark-colored urine is not typically associated with Metronidazole and does not indicate a severe adverse effect.
3. A client has a new prescription for Calcitonin-Salmon for Osteoporosis. Which of the following instructions should the nurse include in the teaching?
- A. Administer the medication intramuscularly.
- B. Swallow the medication whole.
- C. Inject the medication subcutaneously.
- D. Expect nasal bleeding with this medication.
Correct answer: C
Rationale: When teaching a client about Calcitonin-Salmon for Osteoporosis, the nurse should include instructions to inject the medication subcutaneously or administer it intranasally. Option A is incorrect because Calcitonin-Salmon is not typically administered intramuscularly. Option B is incorrect because it is not meant to be swallowed. Option D is incorrect as nasal bleeding is not an expected side effect with this medication.
4. A healthcare professional is preparing to administer a transfusion of a unit of packed red blood cells (PRBCs) for a client who has severe anemia. Which of the following interventions will prevent an acute hemolytic reaction?
- A. Ensure that the client has a patent IV line before obtaining the blood product from the refrigerator.
- B. Obtain help from another healthcare professional to confirm the correct client and blood product.
- C. Take a complete set of vital signs before beginning the transfusion and periodically during the transfusion.
- D. Stay with the client for the first 15 to 30 minutes of the transfusion.
Correct answer: B
Rationale: Obtaining help from another healthcare professional to confirm the correct client and blood product is crucial in preventing an acute hemolytic reaction during a blood transfusion. This reaction occurs due to ABO or Rh incompatibility. Verifying the correct client and blood product reduces the risk of administering the wrong blood type, which could lead to a life-threatening reaction. Checking for patency of the IV line (Choice A) is important but does not directly prevent an acute hemolytic reaction. Monitoring vital signs (Choice C) is essential for detecting transfusion reactions but does not prevent them. Staying with the client (Choice D) is important for early recognition of adverse reactions but does not address the root cause of preventing an acute hemolytic reaction.
5. A client prescribed Isosorbide Mononitrate for chronic stable Angina develops reflex tachycardia. Which of the following medications should the nurse expect to administer?
- A. Furosemide
- B. Captopril
- C. Ranolazine
- D. Metoprolol
Correct answer: D
Rationale: Metoprolol, a beta-adrenergic blocker, is commonly used to treat hypertension and stable angina pectoris. It is often prescribed to decrease heart rate in clients experiencing tachycardia, including those with reflex tachycardia induced by medications like Isosorbide Mononitrate. Furosemide (Choice A) is a diuretic and is not indicated for reflex tachycardia. Captopril (Choice B) is an ACE inhibitor used for hypertension and heart failure, not tachycardia. Ranolazine (Choice C) is used in chronic angina but does not address tachycardia.
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