HESI RN
HESI Fundamentals Practice Test
1. Why is it most important to start intravenous infusions in the upper extremities rather than the lower extremities of adults?
- A. Superficial veins are more easily found in the feet and ankles.
- B. A decreased flow rate could lead to thrombosis formation.
- C. It is more challenging to move a cannulated extremity when using the leg or foot.
- D. Veins in the feet and ankles are located deep, making the procedure more painful.
Correct answer: B
Rationale: The most critical reason for initiating intravenous infusions in the upper extremities of adults is to reduce the risk of thrombosis (B). Venous return is typically better in the upper extremities, decreasing the likelihood of thrombus formation, which could be life-threatening if dislodged. Although superficial veins are easily found in the feet and ankles (A), this is not the primary reason for choosing the upper extremities. Handling a leg or foot with an IV (C) is not significantly more challenging than handling an arm or hand. The depth of veins in the feet and ankles (D) does not primarily determine the site for IV placement.
2. The nurse explains to an older adult male the procedure for collecting a 24-hour urine specimen for creatinine clearance. Which action is most important for the nurse to include in their care plan for the shift?
- A. Assess the client for confusion and reteach the procedure
- B. Check the urine for color and texture
- C. Empty the urinal contents into the 24-hour collection container
- D. Discard the contents of the urinal
Correct answer: C
Rationale: To ensure accurate creatinine clearance results, it is crucial to collect all urine within the 24-hour period. The process should begin with discarding the first specimen and then collecting all subsequent urine in the designated 24-hour collection container. This ensures that the sample is complete and accurate for the creatinine clearance calculation.
3. What action should be implemented to prevent the formation of a sacral ulcer for an immobile client?
- A. Maintain the client in a lateral position using protective wrist and vest restraints.
- B. Position the client prone with a small pillow below the diaphragm.
- C. Raise the head and knee gatch when lying in a supine position.
- D. Transfer the client to a wheelchair close to the nursing station for observation.
Correct answer: B
Rationale: Positioning the client prone with a small pillow below the diaphragm helps maintain proper alignment and provides optimal pressure relief over the sacral area, reducing the risk of developing a pressure ulcer. This position redistributes pressure away from bony prominences, such as the sacrum, which is crucial in preventing ulcer formation in immobile clients. Choice A is incorrect because using restraints can lead to further complications and does not address pressure relief. Choice C is incorrect as raising the head and knee gatch in a supine position does not directly alleviate pressure over the sacrum. Choice D is incorrect as transferring to a wheelchair does not address pressure relief or optimal positioning to prevent sacral ulcers.
4. A client is admitted with a diagnosis of diabetic ketoacidosis (DKA). Which intervention should the nurse implement first?
- A. Administer regular insulin IV.
- B. Administer IV fluids at 250 ml/hr.
- C. Administer sodium bicarbonate IV push.
- D. Administer furosemide (Lasix) IV push.
Correct answer: A
Rationale: Administering regular insulin IV (A) is the initial intervention for a client with diabetic ketoacidosis (DKA) to rapidly reduce blood glucose levels. This is vital in reversing the ketosis and acidosis seen in DKA. Administering IV fluids (B) helps to correct dehydration and electrolyte imbalances. Administering sodium bicarbonate (C) and furosemide (D) may be necessary depending on the client's condition, but insulin administration takes precedence in the management of DKA.
5. The healthcare professional is obtaining a lie-sit-stand blood pressure reading on a client. Which action is most important for the healthcare professional to implement?
- A. Stay with the client while the client is standing.
- B. Record the findings on the graphic sheet in the chart.
- C. Keep the blood pressure cuff on the same arm.
- D. Record changes in the client's pulse rate.
Correct answer: A
Rationale: In obtaining a lie-sit-stand blood pressure reading, it is crucial for the healthcare professional to stay with the client while the client is standing. This action is the most important as it ensures client safety during the procedure. Recording findings, keeping the blood pressure cuff on the same arm, and monitoring pulse rate are all important tasks, but staying with the client while standing takes priority to prevent any potential falls or adverse events. By staying with the client, the healthcare professional can promptly address any signs of dizziness or instability, ensuring a safe environment for the client throughout the procedure.
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