HESI LPN
HESI PN Exit Exam
1. A client is recovering from abdominal surgery and has a nasogastric (NG) tube in place. The nurse notes that the client is experiencing nausea despite the NG tube being patent. What is the nurse's best action?
- A. Increase the suction on the NG tube.
- B. Administer an antiemetic as prescribed.
- C. Irrigate the NG tube with saline.
- D. Reposition the client to the left side.
Correct answer: B
Rationale: Administering an antiemetic as prescribed is the best action for the nurse to take when a client with a patent NG tube is experiencing nausea. This intervention can help relieve nausea effectively. Increasing suction on the NG tube (Choice A) may not address the underlying cause of the nausea and could potentially lead to complications. Irrigating the NG tube with saline (Choice C) is not indicated for addressing nausea in this scenario. Repositioning the client to the left side (Choice D) is not the priority intervention for nausea in a client with a patent NG tube.
2. The client with schizophrenia who continues to repeat the last words heard is exhibiting a sign of disturbed thought processes. Which nursing problem should the nurse document in the medical record?
- A. Altered sensory perception
- B. Impaired social interaction
- C. Risk for self-directed violence
- D. Disturbed thought processes
Correct answer: D
Rationale: The correct answer is D: Disturbed thought processes. Echolalia, the repetition of words, is a sign of disturbed thought processes commonly seen in clients with schizophrenia. It reflects a disorganization in thinking rather than a sensory perception issue (Choice A). Impaired social interaction (Choice B) refers to difficulties in relating to others, which is not the primary concern in echolalia. Risk for self-directed violence (Choice C) focuses on potential harm to self, which is separate from the repetitive behavior of echolalia.
3. What is the primary action a healthcare professional should take when a patient with a suspected myocardial infarction (MI) arrives in the emergency department?
- A. Apply a cold compress to the chest
- B. Administer oxygen and obtain an electrocardiogram (ECG)
- C. Encourage the patient to walk to reduce anxiety
- D. Provide a high-carbohydrate meal
Correct answer: B
Rationale: Administering oxygen and obtaining an ECG are crucial initial steps when managing a suspected myocardial infarction (MI). Oxygen helps improve oxygenation to the heart muscle, while an ECG is essential to diagnose an MI promptly. Applying a cold compress, encouraging the patient to walk, or providing a high-carbohydrate meal are not appropriate actions in the initial management of a suspected MI. Applying a cold compress can delay necessary interventions, encouraging the patient to walk may worsen the condition, and providing a high-carbohydrate meal is irrelevant to the immediate needs of a patient with a suspected MI.
4. Which type of cell is responsible for producing antibodies in the immune system?
- A. B lymphocytes
- B. T lymphocytes
- C. Macrophages
- D. Neutrophils
Correct answer: A
Rationale: The correct answer is A: B lymphocytes. B lymphocytes (B cells) are a crucial part of the adaptive immune system. They produce antibodies, which are proteins that specifically target and neutralize pathogens such as bacteria and viruses. T lymphocytes (choice B) are involved in cell-mediated immunity rather than antibody production. Macrophages (choice C) are phagocytic cells that engulf and digest pathogens but do not produce antibodies. Neutrophils (choice D) are a type of white blood cell that primarily function in the innate immune response by phagocytosing pathogens.
5. When caring for a patient with a chest tube, which nursing action is most important?
- A. Clamping the chest tube every 2 hours to prevent air leaks
- B. Keeping the drainage system below chest level
- C. Emptying the drainage system every hour to prevent backflow
- D. Removing the chest tube when drainage decreases significantly
Correct answer: B
Rationale: The most crucial nursing action when caring for a patient with a chest tube is to keep the drainage system below chest level (choice B). This position helps ensure proper drainage and prevents backflow of fluid or air into the pleural space, promoting optimal functioning of the chest tube. Clamping the chest tube every 2 hours (choice A) is incorrect as it can obstruct the drainage system and lead to complications. Emptying the drainage system every hour (choice C) is unnecessary unless there are specific clinical indications. Removing the chest tube when drainage decreases significantly (choice D) is also incorrect as the decision should be based on overall clinical assessment rather than drainage amount alone.
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