HESI RN
HESI Fundamentals Practice Test
1. What is the most important action for the nurse to take when caring for a client with a spinal cord injury experiencing autonomic dysreflexia?
- A. Elevate the head of the bed to 45 degrees.
- B. Monitor the client's respiratory rate.
- C. Administer an antihypertensive medication.
- D. Assess the client's blood glucose level.
Correct answer: A
Rationale: In a client with autonomic dysreflexia, the most critical action is to elevate the head of the bed to 45 degrees (A). This positioning helps reduce blood pressure, which is essential in managing autonomic dysreflexia. Monitoring the client's respiratory rate (B) is important for overall assessment but not the priority in this situation. Administering an antihypertensive medication (C) without addressing the positioning issue first can lead to further complications. Assessing the client's blood glucose level (D) is not directly related to autonomic dysreflexia and is not the initial priority in this scenario.
2. A client is to receive 10 mEq of KCl diluted in 250 ml of normal saline over 4 hours. At what rate should the nurse set the client's intravenous infusion pump?
- A. 13 ml/hour.
- B. 63 ml/hour.
- C. 80 ml/hour.
- D. 125 ml/hour.
Correct answer: B
Rationale: The correct calculation involves dividing the total volume by the total time. In this case, 250 ml/4 hours = 63 ml/hour. The dose of KCl is not used in the calculation as the focus is on the rate of infusion over the specified time period. Choice A (13 ml/hour) is incorrect as it does not result from the correct calculation. Choice C (80 ml/hour) and Choice D (125 ml/hour) are also incorrect calculations and do not match the correct rate of infusion required.
3. Mr. Landon is scheduled to undergo a tracheostomy. Which nursing action is essential during tracheal suctioning?
- A. Using a water-soluble lubricant.
- B. Administering 100% oxygen before and after suctioning.
- C. Ensuring that the suction catheter is open during insertion.
- D. Assisting the client to assume a semi-Fowler's position during suctioning.
Correct answer: B
Rationale: Administering 100% oxygen before and after suctioning is crucial to prevent hypoxia, which can occur during tracheal suctioning. Hypoxia can lead to serious complications, making the provision of oxygen essential in maintaining adequate oxygenation levels for the patient undergoing tracheal suctioning. Choice A is incorrect because using a water-soluble lubricant is not directly related to the essential nursing action during tracheal suctioning. Choice C is incorrect as ensuring that the suction catheter is open during insertion is a basic requirement and not the essential action for oxygenation. Choice D is incorrect because assisting the client to assume a semi-Fowler's position is beneficial for comfort and airway alignment but is not as crucial as administering oxygen to prevent hypoxia.
4. When bathing an uncircumcised boy older than 3 years, which action should the nurse take?
- A. Remind the child to clean his genital area.
- B. Defer perineal care due to the child's age.
- C. Retract the foreskin gently to cleanse the penis.
- D. Inquire about the reason for the child not being circumcised.
Correct answer: C
Rationale: The correct action when bathing an uncircumcised boy older than 3 years is to gently retract the foreskin to cleanse the penis. This is important to ensure proper hygiene and prevent the accumulation of bacteria that can lead to infections. It is not advisable to defer perineal care because of the child's age, as hygiene is crucial at any age. Asking the parents about the circumcision status may not be relevant during routine perineal care. Reminding the child to clean his genital area is not as effective as directly cleaning the area during bathing.
5. The healthcare provider is teaching a client with hypertension about lifestyle modifications. Which instruction should the healthcare provider include?
- A. Limit sodium intake to 2,300 mg per day
- B. Engage in moderate exercise for 30 minutes daily
- C. Consume a diet high in saturated fats
- D. Avoid alcohol consumption completely
Correct answer: B
Rationale: Engaging in moderate exercise for 30 minutes daily is a crucial lifestyle modification for managing hypertension. Regular physical activity helps lower blood pressure, improve cardiovascular health, and overall well-being. It is recommended to engage in activities like brisk walking, cycling, or swimming to achieve these benefits. Choices A, C, and D are incorrect. Limiting sodium intake, avoiding a diet high in saturated fats, and reducing alcohol consumption are also important lifestyle modifications for hypertension management, but engaging in moderate exercise is the most appropriate initial instruction for this client.
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