HESI LPN
Adult Health 2 Final Exam
1. What is the primary purpose of a chest tube in a client's care?
- A. To drain air and fluid from the pleural space
- B. To prevent infection in the thoracic cavity
- C. To assist with lung expansion
- D. To monitor intrathoracic pressure
Correct answer: A
Rationale: The correct answer is A: To drain air and fluid from the pleural space. A chest tube is primarily used to remove accumulated air or fluid in the pleural space, preventing lung collapse or compromise of lung function. This intervention aims to re-expand the lung and enhance respiratory function. Choice B is incorrect because preventing infection is not the primary purpose of a chest tube. Choice C is incorrect as lung expansion is a result of draining the pleural space, not the primary goal. Choice D is incorrect as monitoring intrathoracic pressure is not the main objective of a chest tube insertion.
2. A client is admitted with diabetic ketoacidosis. What is the most critical treatment to initiate?
- A. Administer sodium bicarbonate IV
- B. Start an insulin drip
- C. Monitor glucose and ketone levels
- D. Provide oral hydration
Correct answer: B
Rationale: In the case of diabetic ketoacidosis, the most critical treatment to initiate is starting an insulin drip. Insulin therapy is crucial for reducing blood glucose levels by promoting glucose uptake in cells and inhibiting the production of ketones. Administering sodium bicarbonate IV is generally not recommended as it may lower the pH further and potentially worsen the condition. While monitoring glucose and ketone levels is important for assessing the response to treatment, initiating insulin therapy takes precedence. Providing oral hydration alone is insufficient to manage the metabolic derangements seen in diabetic ketoacidosis.
3. The nurse is caring for a client with a tracheostomy who is on mechanical ventilation. What is the priority nursing intervention?
- A. Suction the tracheostomy as needed
- B. Ensure the tracheostomy ties are secure
- C. Provide humidified oxygen
- D. Clean any exudate around the tracheostomy site
Correct answer: A
Rationale: The priority nursing intervention for a client with a tracheostomy on mechanical ventilation is to suction the tracheostomy as needed. Suctioning is essential to maintain a clear airway and prevent respiratory distress. While ensuring tracheostomy ties are secure (choice B) is important, it is not as urgent as airway maintenance. Providing humidified oxygen (choice C) is beneficial but does not address the immediate need for airway clearance. Cleaning exudate around the tracheostomy site (choice D) is important for hygiene but takes precedence over ensuring airway patency through suctioning.
4. A client who has just been diagnosed with tuberculosis (TB) is being discharged home. Which instruction is most important for the nurse to provide?
- A. Avoid close contact with others until treatment is complete
- B. Take all prescribed medications as directed
- C. Schedule a follow-up appointment with the healthcare provider
- D. Wear a mask when in public places
Correct answer: B
Rationale: The correct answer is B: 'Take all prescribed medications as directed.' This instruction is the most important because adherence to the prescribed medication regimen is crucial in treating tuberculosis effectively and preventing the development of drug-resistant TB. While choice A is important for infection control, ensuring treatment adherence through proper medication intake takes precedence. Choice C is also essential for monitoring progress but is not as critical as ensuring medication compliance. Choice D is relevant for preventing transmission but is not as crucial as ensuring proper treatment by taking medications as directed.
5. A client is receiving morphine for pain management. What is the most important assessment for the nurse to perform?
- A. Check the client's respiratory rate
- B. Assess the client's pain level
- C. Monitor the client's blood pressure
- D. Evaluate the client's level of consciousness
Correct answer: A
Rationale: The correct answer is to check the client's respiratory rate. Morphine can lead to respiratory depression, which makes it crucial for the nurse to monitor the client's breathing closely. Assessing the respiratory rate helps in early detection of potential respiratory depression and allows prompt intervention. While assessing pain level (choice B) is important, monitoring the respiratory status takes precedence due to the risk of respiratory depression with morphine. Monitoring blood pressure (choice C) is relevant but not as crucial as assessing respiratory status in a client receiving morphine. Evaluating the level of consciousness (choice D) is also important but does not directly address the immediate risk associated with morphine administration.
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