HESI LPN
HESI CAT Exam 2022
1. When caring for a client with acute respiratory distress syndrome (ARDS), why does the nurse elevate the head of the bed 30 degrees?
- A. To reduce abdominal pressure on the diaphragm
- B. To promote retraction of the intercostal accessory muscles of respiration
- C. To promote bronchodilation and effective airway clearance
- D. To decrease pressure on the medullary center which stimulates breathing
Correct answer: A
Rationale: Elevating the head of the bed to 30 degrees is done to reduce abdominal pressure on the diaphragm, aiding in lung expansion and oxygenation. This position helps improve respiratory mechanics by allowing the diaphragm to move more effectively. Choice B is incorrect as elevating the head of the bed does not directly promote retraction of the intercostal accessory muscles of respiration. Choice C is incorrect because although elevating the head of the bed can assist with airway clearance, its primary purpose in ARDS is to decrease pressure on the diaphragm. Choice D is incorrect because reducing pressure on the medullary center is not the main goal of elevating the head of the bed; the focus is on enhancing lung function and oxygen exchange.
2. The nurse is caring for a group of clients with the help of a practical nurse (PN). Which nursing actions should the nurse assign to the PN? (Select all that apply)
- A. Administer a dose of insulin per sliding scale for a client with type 2 diabetes mellitus (DM)
- B. Obtain postoperative vital signs for a client one day following unilateral knee arthroplasty
- C. Perform daily surgical dressing change for a client who had an abdominal hysterectomy
- D. Initiate patient-controlled analgesia (PCA) pumps for two clients immediately postoperative
Correct answer: B
Rationale: The correct answer is B. Obtaining postoperative vital signs for a client one day following unilateral knee arthroplasty is a task within the scope of practice for a practical nurse (PN) and contributes to the client's recovery. Administering insulin (Choice A) involves medication administration, which typically requires a higher level of nursing education. Performing daily surgical dressing changes (Choice C) after an abdominal hysterectomy involves wound care management that is usually beyond the scope of practice for a PN. Initiating patient-controlled analgesia pumps (Choice D) is a complex nursing intervention that requires specialized training and knowledge, exceeding the typical responsibilities of a PN.
3. An older male client is admitted to the mental health unit with a sudden onset of global disorientation and is continuously conversing with his mother, who died 50 years ago. The nurse reviews the multiple prescriptions the client is currently taking and assesses his urine specimen, which is cloudy, dark yellow, and has a foul odor. These findings suggest that this client is experiencing which condition?
- A. Psychotic episode
- B. Dementia
- C. Delirium
- D. Depression
Correct answer: C
Rationale: The correct answer is C, delirium. The sudden onset of global disorientation along with cloudy, dark yellow urine with a foul odor are indicative of delirium. Delirium is an acute condition characterized by a fluctuating disturbance in awareness and cognition. In this case, the symptoms are suggestive of an underlying physiological cause, such as infection or medication side effects. Choice A, psychotic episode, is less likely as the symptoms are more in line with delirium than a primary psychotic disorder. Choice B, dementia, is a chronic and progressive condition, not typically presenting with sudden onset disorientation. Choice D, depression, does not align with the acute cognitive changes and urine abnormalities described in the scenario.
4. A female client on the mental health unit tells the nurse that her roommate is sitting on the bathroom floor with superficial cuts on her wrists. The nurse cleans and assesses the client’s wrists and asks what happened. She doesn’t respond. What should the nurse do next?
- A. Find supplies to put a dressing on the client’s wrists
- B. Take the client to a room for supervision by staff
- C. Call the healthcare provider to report the client’s behavior
- D. Go find a staff member to stay in the room with the client
Correct answer: B
Rationale: In this situation, the nurse's priority is to ensure the safety and supervision of the client. Moving the client to a room for direct supervision by staff is crucial to prevent further harm and provide immediate support. While cleaning and assessing the client's wrists are important, ensuring ongoing supervision is vital in this scenario. Calling the healthcare provider to report the behavior may be necessary but is not the immediate action required. Finding supplies to dress the client's wrists is important but not as urgent as ensuring constant supervision by staff.
5. A young adult female presents at the emergency center with acute lower abdominal pain. Which assessment finding is most important for the nurse to report to the healthcare provider?
- A. Pain scale rating of 9 on a 0-10 scale
- B. Last menstrual period was 7 weeks ago
- C. Reports white curdy vaginal discharge
- D. History of irritable bowel syndrome (IBS)
Correct answer: B
Rationale: The correct answer is B. A missed menstrual period could indicate a possible pregnancy-related issue, requiring urgent evaluation. Assessing the menstrual history in a female of reproductive age takes precedence in this scenario. Choice A, the pain scale rating, is important but not as urgent as evaluating the menstrual history. Choice C, reporting white curdy vaginal discharge, may suggest a vaginal infection but is not as critical as ruling out a potential pregnancy. Choice D, the history of irritable bowel syndrome, is relevant but not as crucial as determining pregnancy-related issues in this context.
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