ATI RN
ATI Proctored Pharmacology Test
1. When teaching a client with a prescription for Cephalexin, which of the following instructions should the nurse include?
- A. Take the medication with an antacid.
- B. Avoid dairy products while taking this medication.
- C. Expect your stools to turn black.
- D. Complete the full course of medication.
Correct answer: D
Rationale: The correct instruction for a client prescribed with Cephalexin is to complete the full course of medication. This is crucial to ensure the infection is completely treated and to reduce the risk of antibiotic resistance. Choices A, B, and C are incorrect. Taking Cephalexin with an antacid is generally not recommended as it may reduce its effectiveness. While dairy products can interfere with certain antibiotics, they do not have a direct interaction with Cephalexin. Stools turning black is not an expected side effect of Cephalexin.
2. A client has a new prescription for Clopidogrel. Which of the following instructions should the nurse include?
- A. Take this medication with food.
- B. Avoid taking aspirin while on this medication.
- C. Avoid eating foods high in potassium.
- D. Take this medication at bedtime.
Correct answer: B
Rationale: The correct answer is B: 'Avoid taking aspirin while on this medication.' Clopidogrel is an antiplatelet medication that can increase the risk of bleeding. Aspirin and other NSAIDs also affect platelet function and can further increase the risk of bleeding when combined with Clopidogrel. Therefore, it is important for the client to avoid taking aspirin while on this medication to reduce the risk of excessive bleeding. Choices A, C, and D are incorrect because there is no specific requirement to take Clopidogrel with food, avoid foods high in potassium, or take it at bedtime. The key instruction here is to avoid aspirin to prevent potential bleeding complications.
3. A client has a new prescription for Metoprolol to treat hypertension. Which of the following instructions should the nurse include?
- A. Stop taking the medication if your heart rate is below 70/min.
- B. Take the medication with food.
- C. Avoid sudden changes in position.
- D. Increase your fluid intake while taking this medication.
Correct answer: C
Rationale: The correct instruction for a client starting Metoprolol is to avoid sudden changes in position. Metoprolol can cause orthostatic hypotension, leading to dizziness and falls if the client changes positions quickly. By advising the client to make position changes slowly, the nurse helps prevent these adverse effects and promotes safety.
4. A healthcare professional is caring for a group of clients receiving antimicrobial therapy. Which of the following clients should the professional plan to monitor for manifestations of antibiotic toxicity?
- A. An adolescent client with a sinus infection
- B. An older adult client with prostatitis
- C. A client who is postpartum with mastitis
- D. A middle-aged client with a urinary tract infection
Correct answer: B
Rationale: An older adult client with prostatitis who is receiving antibiotics should be monitored for toxicity due to age-related reductions in medication metabolism and excretion. Older adults are more susceptible to antibiotic toxicity, making them a high-risk group for adverse effects.
5. A healthcare professional is preparing to administer vancomycin 1 g by intermittent IV bolus. Available is vancomycin 1 g in 100 mL of dextrose 5% in water (D5W) to infuse over 45 min. The drop factor of the manual IV tubing is 10 gtt/mL. How many gtt/min should the healthcare professional adjust the manual IV infusion to deliver?
- A. 22 gtt/min
- B. 24 gtt/min
- C. 20 gtt/min
- D. 18 gtt/min
Correct answer: A
Rationale: To determine the flow rate in drops per minute (gtt/min), you can use the formula: (Volume in mL x Drop factor) / Time in minutes = Flow rate in gtt/min. In this case, it would be (100 mL x 10 gtt/mL) / 45 min = 22 gtt/min. Therefore, the healthcare professional should adjust the manual IV infusion to deliver 22 gtt/min. Choice B, 24 gtt/min, is incorrect as it results from a miscalculation. Choices C and D, 20 gtt/min and 18 gtt/min respectively, are also incorrect calculations based on the given parameters.
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