an 8 year old child who weighs 60 pounds receives an order for polycilin ampicillin suspension 25 mgkgday divided into a dose every 8 hours the medica
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HESI LPN

HESI CAT Exam Quizlet

1. An 8-year-old child who weighs 60 pounds receives an order for Polycilin (Ampicillin) suspension 25 mg/kg/day divided into a dose every 8 hours. The medication is labeled '125 mg/5 ml'. How many ml should the nurse administer per dose every 8 hours?

Correct answer: A

Rationale: Calculate the daily dose first: 60 pounds x 25 mg/kg = 1500 mg/day. Divide by 3 doses = 500 mg/dose. Convert to mL: (500 mg / 125 mg) x 5 ml = 20 ml. However, the question asks for the dose per administration every 8 hours, which is 1/3 of the daily dose. So, the correct calculation should be (20 ml / 3) = 6.67 ml, which rounds to 5 ml. Therefore, the correct answer is 5 ml. Choice B (10 ml) is incorrect because it doesn't consider the frequency of dosing. Choice C (15 ml) is incorrect as it overestimates the dose. Choice D (20 ml) is incorrect as it represents the total daily dose, not the dose per administration every 8 hours.

2. A client with metastatic breast cancer refuses to participate in a clinical trial and further treatments. Her children ask the nurse to convince their mother to reconsider. How should the nurse respond?

Correct answer: D

Rationale: The correct response is to explore the client's decision to refuse treatment and offer support. In this situation, it is crucial for the nurse to respect the client's autonomy and decisions regarding her own health. By exploring the client's reasons for refusal, the nurse can better understand her perspective and provide appropriate support. Option A is incorrect as it focuses on questioning the client in front of her children, potentially pressuring her. Option B is inappropriate as it disregards the client's autonomy and tries to persuade her to participate. Option C is also incorrect as it dismisses the client's decision and fails to address the family's concerns in a supportive manner.

3. A young adult client was admitted 36 hours ago for a head injury that occurred as a result of a motorcycle accident. In the last 4 hours, the client’s urine output has increased to over 200 ml/hour. Before reporting the finding to the healthcare provider, which intervention should the nurse implement?

Correct answer: C

Rationale: The correct answer is to evaluate the urine osmolality and serum osmolality values. The increased urine output following a head injury could indicate diabetes insipidus, a condition characterized by excessive urination and extreme thirst. Evaluating osmolality is crucial for diagnosing diabetes insipidus. Choice A is incorrect because obtaining capillary blood samples for glucose every 2 hours is not the priority in this situation. Choice B is irrelevant to the client's current symptom of increased urine output. Choice D is also not the most appropriate intervention as the focus should be on assessing for a potential endocrine issue related to the increased urine output.

4. A male client who fell into the lake while fishing and was submerged for about 3 min was successfully resuscitated by his friends. He was brought to the Emergency Department for evaluation and was admitted for a 24-hour uneventful hospital stay. What follow-up instruction should the nurse give?

Correct answer: B

Rationale: After being submerged in water, the client should be instructed to seek medical care promptly if a fever develops since complications may arise later. Choices A, C, and D are not directly related to the potential complications from submersion in water and are therefore incorrect. Avoiding smoke-filled environments, increasing oral fluids for a productive cough, and scheduling frequent rest periods are not the priority concerns in this scenario.

5. The nurse is caring for a group of clients with the help of a practical nurse (PN). Which nursing actions should the nurse assign to the PN? (Select all that apply)

Correct answer: B

Rationale: The correct answer is B. Obtaining postoperative vital signs for a client one day following unilateral knee arthroplasty is a task within the scope of practice for a practical nurse (PN) and contributes to the client's recovery. Administering insulin (Choice A) involves medication administration, which typically requires a higher level of nursing education. Performing daily surgical dressing changes (Choice C) after an abdominal hysterectomy involves wound care management that is usually beyond the scope of practice for a PN. Initiating patient-controlled analgesia pumps (Choice D) is a complex nursing intervention that requires specialized training and knowledge, exceeding the typical responsibilities of a PN.

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