HESI LPN
HESI Practice Test for Fundamentals
1. A client with a history of severe anxiety is scheduled for surgery. Which preoperative medication is the most appropriate for the LPN/LVN to administer to this client?
- A. Lorazepam (Ativan)
- B. Morphine sulfate
- C. Meperidine (Demerol)
- D. Promethazine (Phenergan)
Correct answer: A
Rationale: Lorazepam (Ativan) is the most appropriate preoperative medication for a client with severe anxiety. Lorazepam belongs to the benzodiazepine class and is commonly used to manage anxiety before surgical procedures due to its anxiolytic properties. Morphine sulfate and Meperidine (Demerol) are opioid analgesics, not typically indicated for preoperative anxiety. Promethazine (Phenergan) is an antihistamine used for nausea and vomiting, not anxiety management.
2. A client with pneumonia is receiving antibiotic therapy. Which finding indicates that the treatment is effective?
- A. Decreased white blood cell count
- B. Decreased respiratory rate
- C. Increased breath sounds
- D. Increased heart rate
Correct answer: C
Rationale: The correct answer is C: Increased breath sounds. When a client with pneumonia is receiving antibiotic therapy, increased breath sounds indicate that the lungs are clearing and the pneumonia is resolving. This improvement in breath sounds suggests that the antibiotics are effectively treating the infection. Choices A, B, and D are incorrect because a decreased white blood cell count, decreased respiratory rate, and increased heart rate are not specific indicators of the effectiveness of antibiotic therapy in treating pneumonia. While these parameters may change in response to treatment, they do not directly reflect the resolution of the pneumonia infection.
3. A client who is postoperative and has paralytic ileus is being cared for by a nurse. Which of the following abdominal assessments should the nurse expect?
- A. Absent bowel sounds with distention
- B. Hyperactive bowel sounds
- C. Normal bowel sounds
- D. High-pitched bowel sounds
Correct answer: A
Rationale: In a client with paralytic ileus, absent bowel sounds with distention are expected due to decreased or absent bowel motility. This is a key characteristic of paralytic ileus, where the bowel is unable to contract and move contents along the digestive tract. Hyperactive bowel sounds (choice B) are more indicative of increased peristalsis, which is not typically seen in paralytic ileus. Normal bowel sounds (choice C) may not be present in a client with paralytic ileus. High-pitched bowel sounds (choice D) are not typically associated with paralytic ileus. Therefore, the correct assessment finding in this scenario is absent bowel sounds with distention.
4. What is the most important action for preventing infection in a client with a central venous catheter?
- A. Changing the catheter dressing every 72 hours.
- B. Flushing the catheter with heparin solution daily.
- C. Ensuring the catheter is clamped when not in use.
- D. Maintaining sterile technique when handling the catheter.
Correct answer: D
Rationale: Maintaining sterile technique when handling a central venous catheter is crucial in preventing infections. This action helps minimize the introduction of pathogens into the catheter site, reducing the risk of contamination and subsequent infection. Changing the catheter dressing every 72 hours, while important, does not directly address the prevention of infection at the insertion site. Flushing the catheter with heparin solution daily helps prevent occlusion but does not primarily focus on infection prevention. Ensuring the catheter is clamped when not in use is essential for preventing air embolism but does not directly relate to infection control.
5. The healthcare professional is caring for a client with a chest tube. Which observation requires immediate intervention?
- A. Constant bubbling in the suction control chamber
- B. Intermittent bubbling in the water seal chamber
- C. Drainage of 50 ml per hour
- D. Crepitus around the insertion site
Correct answer: D
Rationale: Crepitus around the chest tube insertion site may indicate subcutaneous emphysema, which requires immediate attention. The presence of crepitus suggests air leaking into the tissues, which could lead to respiratory compromise. Constant bubbling in the suction control chamber is expected and indicates proper functioning of the chest tube system. Intermittent bubbling in the water seal chamber is also normal, showing the system is intact. Drainage of 50 ml per hour is within the expected range for a chest tube.
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