ATI RN
ATI Proctored Pharmacology Test
1. A client has a fungal infection and a new prescription for amphotericin B. Which of the following laboratory values should the nurse report to the provider before initiating the medication?
- A. Sodium 140 mEq/L
- B. Potassium 4.5 mEq/L
- C. BUN 55 mg/dL
- D. Glucose 120 mg/dL
Correct answer: C
Rationale: An elevated BUN level of 55 mg/dL should be reported before starting amphotericin B due to its nephrotoxic effects. Amphotericin B can cause kidney damage, and an elevated BUN indicates impaired kidney function, increasing the risk of further renal damage with this medication. Sodium, potassium, and glucose levels are not directly associated with the nephrotoxic effects of amphotericin B, making choices A, B, and D incorrect.
2. A nurse is providing teaching to a client who has a new prescription for Metoprolol. Which of the following statements should the nurse include?
- A. This medication may make you feel dizzy at first.
- B. You should avoid foods that are high in fat.
- C. Take the medication in the morning.
- D. You may experience a rapid heart rate while taking this medication.
Correct answer: A
Rationale: Metoprolol, a beta-blocker, can cause dizziness, especially when starting the medication. The nurse should inform the client to change positions slowly to avoid dizziness and falls.
3. 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 who develop tachycardia, such as in the case of reflex tachycardia induced by Isosorbide Mononitrate, making it the appropriate choice in this scenario. Furosemide (Choice A) is a loop diuretic used for conditions like heart failure and edema, not for reflex tachycardia. Captopril (Choice B) is an ACE inhibitor primarily used for hypertension and heart failure, not for reflex tachycardia. Ranolazine (Choice C) is used for chronic angina but does not specifically address reflex tachycardia.
4. Which of the following is classified as a class IA Sodium Channel blocker?
- A. Quinidine
- B. Disopyramide
- C. Aminodarone
- D. Propafenone
Correct answer: A
Rationale: Quinidine is classified as a class IA sodium channel blocker. Class IA antiarrhythmics, like quinidine, work by blocking sodium channels and delaying repolarization. Propafenone, mentioned in the original rationale, is actually a class IC antiarrhythmic agent, not a class IA sodium channel blocker.
5. When reviewing a client's health record, a nurse notes a new prescription for Lisinopril 10 mg PO once daily. The nurse should identify this as which type of prescription?
- A. Single
- B. Stat
- C. Routine
- D. Standing
Correct answer: C
Rationale: A routine prescription indicates medications to be administered on a regular schedule without a termination date or a specific number of doses. In this case, Lisinopril 10 mg PO once daily falls under a routine prescription, meaning the nurse will administer this medication daily until the provider discontinues it. Choices A, B, and D are incorrect: A 'single' prescription is for a one-time dose, 'stat' prescriptions are for immediate administration, and 'standing' prescriptions are pre-authorized for administration as needed within specified parameters.
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