ATI RN
ATI Pharmacology Proctored Exam 2019
1. A client is starting therapy with Metformin. Which of the following instructions should the nurse include?
- A. Take this medication with your first bite of food.
- B. Take this medication on an empty stomach.
- C. Take this medication before bedtime.
- D. Take this medication every other day.
Correct answer: A
Rationale: Metformin should be taken with meals to reduce gastrointestinal side effects and ensure better absorption. Instructing the client to take the medication with the first bite of food helps in achieving optimal effectiveness and minimizes the risk of side effects like nausea or upset stomach. Choice B is incorrect because taking Metformin on an empty stomach can lead to increased gastrointestinal side effects. Choice C is incorrect as there is no specific timing requirement for taking Metformin before bedtime. Choice D is incorrect as Metformin is usually taken daily, not every other day.
2. A healthcare professional is preparing to initiate IV therapy for an older adult client. Which of the following actions should the professional plan to take?
- A. Use an electric shaver to remove excess hair on the extremity.
- B. Select the antecubital area to insert the IV catheter.
- C. Distend the veins by using a blood pressure cuff.
- D. Instruct the client to keep the extremity still during the procedure.
Correct answer: C
Rationale: Distending the veins using a blood pressure cuff is essential for facilitating visualization and access to the veins during IV catheter insertion. This technique helps healthcare professionals identify suitable veins, reducing the risk of complications like infiltration or hematoma formation. Using an electric shaver to remove hair on the extremity (Choice A) may increase the risk of micro-cuts and introduce infection. Selecting the antecubital area (Choice B) may not always be appropriate, as vein condition and accessibility vary among older adult clients. Instructing the client to keep the extremity still (Choice D) is important but is not directly related to preparing for IV therapy.
3. A client has a new prescription for Labetalol. Which of the following instructions should the nurse include?
- A. Take this medication at bedtime.
- B. Avoid sudden discontinuation of the medication.
- C. Increase your intake of sodium-rich foods.
- D. Avoid drinking grapefruit juice.
Correct answer: B
Rationale: The correct instruction for a client on Labetalol is to avoid sudden discontinuation of the medication. Labetalol is a beta-blocker that, if abruptly stopped, can lead to rebound hypertension and other cardiac issues. It is essential for patients to taper off this medication under medical supervision to prevent adverse effects.
4. A client in a long-term care facility has Hypothyroidism and a new prescription for Levothyroxine. Which of the following dosage schedules should the nurse expect for this client?
- A. The client will start at a high dose, and the dose will be tapered as needed.
- B. The client will remain on the initial dosage during the course of treatment.
- C. The client's dosage will be adjusted daily based on blood levels.
- D. The client will start on a low dose, which will be gradually increased.
Correct answer: D
Rationale: Levothyroxine should be initiated at a low dose and titrated gradually over several weeks to achieve therapeutic levels. This approach helps to minimize the risk of adverse effects, particularly in older adult clients who may be more sensitive to medication changes. Starting at a low dose allows for close monitoring of the client's response and adjustment of the dosage as needed to optimize treatment outcomes. Choice A is incorrect because starting at a high dose can increase the risk of adverse effects and is not the recommended approach. Choice B is incorrect because maintaining the initial dosage throughout the treatment may not achieve optimal therapeutic levels. Choice C is incorrect because adjusting the dosage daily based on blood levels is not the standard practice for initiating Levothyroxine treatment.
5. A healthcare professional is preparing to administer morphine 4 mg IV to a client. Available is morphine 10 mg/mL. How many mL should the healthcare professional administer?
- A. 0.2 mL
- B. 0.4 mL
- C. 0.6 mL
- D. 0.8 mL
Correct answer: B
Rationale: To administer 4 mg from a solution of 10 mg/mL, the healthcare professional should administer 0.4 mL. The calculation is done by dividing the desired dose (4 mg) by the concentration of the solution (10 mg/mL), which equals 0.4 mL. Choice A (0.2 mL) is incorrect because it is half of the correct calculation. Choice C (0.6 mL) is incorrect because it is 50% more than the correct calculation. Choice D (0.8 mL) is incorrect because it exceeds the correct calculation.
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