HESI RN
HESI Fundamentals Practice Exam
1. After surgery, a patient has decreased cardiac output. What is a likely observation by the nurse?
- A. Decreased urine output
- B. Increased urine output
- C. Flushing of the skin
- D. Hyperventilation
Correct answer: A
Rationale: A decrease in cardiac output can lead to decreased blood flow to the kidneys, resulting in decreased urine output. The kidneys rely on adequate blood supply to filter waste and produce urine. Therefore, a decreased urine output is a common observation when cardiac output is reduced. Choices B, C, and D are incorrect. Increased urine output is not typically associated with decreased cardiac output; flushing of the skin is more related to vasodilation, and hyperventilation is not directly linked to decreased cardiac output.
2. UAP has lowered the head of the bed to change the linens for a client who is bedbound with a foley catheter and enteral tube feeds. Which change from the client warrants the most immediate intervention by the nurse?
- A. A feeding is infusing at 40 mL/hr through an enteral feeding tube
- B. The urine meter attached to the urinary drainage bag is completely full
- C. There is a large dependent loop in the client’s urinary drainage tubing
- D. Purulent drainage is present around the insertion site of the feeding tube
Correct answer: D
Rationale: Purulent drainage indicates infection at the insertion site, which requires immediate attention to prevent complications.
3. What type of technique should the nurse observe when preparing to insert an indwelling catheter?
- A. Clean technique.
- B. Medical Asepsis.
- C. Isolation Protocol.
- D. Sterile Technique.
Correct answer: D
Rationale: When inserting an indwelling catheter, the nurse must observe sterile technique to minimize the risk of infections. Sterile technique involves using sterile equipment and maintaining a sterile field to prevent introducing pathogens into the urinary tract.
4. The healthcare professional is monitoring a client receiving IV potassium chloride. Which assessment finding should prompt the healthcare professional to immediately stop the infusion?
- A. The client reports pain at the IV site
- B. The client’s heart rate is irregular
- C. The client has swelling at the IV site
- D. The client’s blood pressure is elevated
Correct answer: B
Rationale: An irregular heart rate is a critical sign of hyperkalemia, a serious condition that can lead to life-threatening cardiac arrhythmias. Stopping the infusion promptly is crucial to prevent further complications. The healthcare professional should inform the healthcare provider immediately for further evaluation and management. Choice A is incorrect because pain at the IV site is common and may not necessitate stopping the infusion. Choice C is incorrect as swelling at the IV site may indicate a local reaction but is not a reason to stop the infusion. Choice D is incorrect as an elevated blood pressure alone is not a direct indication to stop the infusion of IV potassium chloride.
5. Which assessment data would provide the most accurate determination of proper placement of a nasogastric tube?
- A. Aspirating gastric contents to assure a pH value of 4 or less.
- B. Hearing air pass in the stomach after injecting air into the tubing.
- C. Examining a chest x-ray obtained after the tubing was inserted.
- D. Checking the remaining length of tubing to ensure that the correct length was inserted.
Correct answer: C
Rationale: The most accurate method to confirm the proper placement of a nasogastric tube is by examining a chest x-ray obtained after the tubing was inserted. This visual assessment allows healthcare providers to directly visualize the position of the tube in relation to anatomical landmarks, ensuring it is correctly placed in the stomach. Aspirating gastric contents or hearing air pass may provide some information but are not as definitive as a chest x-ray for confirming placement. Checking the remaining length of tubing is not a reliable method for determining proper placement as it does not indicate where the tip of the tube lies within the body.
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