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?
- A. 4 mL
- B. 5 mL
- C. 6 mL
- D. 3 mL
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 child with Cystic Fibrosis has a new prescription for Acetylcysteine. Which of the following information should the nurse include in the instructions?
- A. Expect this medication to suppress your cough.
- B. Expect this medication to smell like rotten eggs.
- C. Expect this medication to cause euphoria.
- D. Expect this medication to turn your urine orange.
Correct answer: B
Rationale: The correct answer is B: 'Expect this medication to smell like rotten eggs.' Acetylcysteine contains sulfur, which gives it a characteristic rotten-egg odor. This smell is normal and expected when using this medication. Choices A, C, and D are incorrect. Acetylcysteine is not used to suppress cough, cause euphoria, or turn urine orange.
3. When educating a client with a new prescription for Amlodipine, which instruction should the nurse provide?
- A. Increase your intake of dairy products.
- B. Avoid driving until you see how the medication affects you.
- C. Stop taking the medication if you develop a dry cough.
- D. Take the medication at bedtime.
Correct answer: B
Rationale: The correct answer is to advise the client to avoid driving until they understand the medication's effects. Amlodipine can cause dizziness, making it unsafe to drive until the client knows how the medication affects them. This instruction promotes client safety and prevents potential accidents due to medication side effects.
4. A client with peptic ulcer disease is prescribed omeprazole. Which finding should indicate to the nurse that the medication is effective?
- A. Relief of headache
- B. Relief of nausea
- C. Relief of abdominal pain
- D. Relief of heartburn
Correct answer: C
Rationale: Relief of abdominal pain is a key indicator of omeprazole effectively treating peptic ulcer disease. Omeprazole works by reducing stomach acid production, which helps alleviate abdominal pain associated with peptic ulcers. While relief of other symptoms like headache, nausea, and heartburn may also occur, the primary therapeutic goal of omeprazole in peptic ulcer disease is to reduce abdominal pain caused by gastric irritation. Therefore, the relief of abdominal pain is the most significant finding to indicate the effectiveness of omeprazole in this context. Choices A, B, and D may improve as a result of decreased stomach acid production, but they are not as specific or central to the therapeutic goal of treating peptic ulcer disease as the relief of abdominal pain.
5. A client has a new prescription for Morphine to manage post-operative pain. Which of the following assessments should the nurse perform first?
- A. Urine output
- B. Bowel sounds
- C. Pain level
- D. Respiratory rate
Correct answer: D
Rationale: The nurse should prioritize assessing the client's respiratory rate first when administering Morphine due to the risk of respiratory depression, which is a life-threatening adverse effect of this medication. Monitoring the respiratory rate is crucial to detect any signs of respiratory distress early and take prompt action to ensure the client's safety. Assessing urine output, bowel sounds, and pain level are also important but not as critical as monitoring respiratory rate when initiating Morphine therapy.
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