a nurse is preparing to administer amoxicillin 20 mgkgday po to divide equally every 12 hr to a preschooler who weighs 44 l the amount available is am
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Nursing Elites

ATI RN

ATI Pharmacology Proctored Exam

1. A preschooler weighing 44 lb is to receive Amoxicillin 20 mg/kg/day PO divided equally every 12 hr. The available amoxicillin suspension is 250 mg/5 mL. How many mL should the nurse administer per dose?

Correct answer: A

Rationale: To calculate the dosage per administration: First, convert the weight to kg (44 lb / 2.2 lb/kg = 20 kg). Then, calculate the required dosage per dose: (20 mg/kg/day x 20 kg) / 2 (for every 12 hr dosing) = 200 mg per dose. To determine the mL per dose, divide the required dosage by the concentration of the amoxicillin suspension: (200 mg / 250 mg) x 5 mL = 4 mL per dose. Therefore, the correct answer is 4 mL. Choice B (5 mL) is incorrect because the correct calculation yields 4 mL. Choices C (6 mL) and D (3 mL) are also incorrect as they do not align with the accurate calculation based on the provided information.

2. A client has a new prescription for a Nitroglycerin transdermal patch. Which of the following instructions should the nurse include?

Correct answer: D

Rationale: The correct instruction is to apply the Nitroglycerin transdermal patch to a hairless area of skin. This is important for proper absorption of the medication. Additionally, rotating the patch to different sites each day helps prevent skin irritation and ensures optimal therapeutic effect. Applying the patch to the same site each day can lead to skin irritation or tolerance development. Removing the patch at night is not necessary as the patch is typically worn continuously to provide a consistent level of medication. Covering the patch with a heating pad is contraindicated as it can increase drug absorption, potentially leading to adverse effects.

3. A nurse is providing teaching to a client who has a new prescription for Metoprolol. Which of the following statements should the nurse include?

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.

4. A client with a new prescription for Verapamil to control hypertension is being taught by a healthcare professional. Which of the following client statements indicates an understanding of the teaching?

Correct answer: A

Rationale: The correct answer is A. Grapefruit juice can increase blood levels of verapamil, leading to increased effects and potentially serious side effects such as hypotension or bradycardia. It is crucial for the client to avoid grapefruit juice while taking Verapamil to prevent these adverse reactions. Choice B is incorrect because verapamil is a calcium channel blocker that typically lowers heart rate. Choice C is incorrect as verapamil does not cause urine discoloration. Choice D is incorrect because stopping medication abruptly without consulting a healthcare provider can be dangerous.

5. A client has a new prescription for alendronate to treat osteoporosis. Which of the following instructions should be included in the teaching?

Correct answer: A

Rationale: The correct instruction for taking alendronate is to take it with a full glass of water after rising in the morning to prevent esophageal irritation. It is important to remain upright for at least 30 minutes after taking the medication to reduce the risk of esophageal irritation and ensure proper absorption. Taking the medication with a meal or crushing the tablet are not recommended instructions for alendronate administration. Choice A is the correct answer as it aligns with the proper administration guidelines for alendronate.

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