HESI CAT Exam 2022

HESI LPN

1. An adult male is admitted to the intensive care unit because he experienced a sudden onset of sharp chest pain and shortness of breath earlier today. Following an emergent pulmonary angiogram, the client is diagnosed with a pulmonary embolism. Which intervention is most important for the nurse to include in this client’s plan of care?

A. Monitor signs of increased bleeding
B. Instruct on the use of incentive spirometry
C. Observe for confusion and restlessness
D. Administer intravenous opioids for severe pain

Correct answer: A

Rationale: In a patient diagnosed with a pulmonary embolism, the most critical intervention is to monitor for signs of increased bleeding. Pulmonary embolism treatment often involves anticoagulation therapy, which increases the risk of bleeding. Monitoring for signs of bleeding such as bruising, petechiae, hematuria, or gastrointestinal bleeding is essential to prevent complications. Instructing on the use of incentive spirometry can be beneficial for preventing pulmonary complications but is not as urgent as monitoring for bleeding. Observing for confusion and restlessness may indicate hypoxia but is not the most crucial intervention in this scenario. Administering intravenous opioids for severe pain might be necessary but is not the priority compared to monitoring for bleeding, which is directly related to the treatment for pulmonary embolism.

2. The nurse administers an oral antiviral to a client with shingles. Which finding is most important for the nurse to report to the healthcare provider?

A. Decreased white blood cell count
B. Pruritus and muscle aches
C. Elevated liver function tests
D. Vomiting and diarrhea

Correct answer: C

Rationale: The correct answer is C: Elevated liver function tests. When administering antivirals, especially orally, monitoring liver function tests is crucial as it may indicate liver toxicity. This finding should be reported promptly to the healthcare provider to prevent further complications. Choice A, decreased white blood cell count, may be expected with certain antivirals but is not the most critical finding in this scenario. Pruritus and muscle aches (choice B) are common side effects of antivirals and do not require immediate reporting. Vomiting and diarrhea (choice D) are also common side effects that may not be as concerning as elevated liver function tests.

3. 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.

4. A client with a large pleural effusion undergoes a thoracentesis. Following the procedure, which assessment finding warrants immediate intervention by the nurse?

A. The client has asymmetrical chest wall expansion
B. The client complains of pain at the insertion site
C. The client's chest x-ray indicates decreased pleural effusion
D. The client's arterial blood gases show pH 7.35, PaO2 85, PaCO2 35, HCO3 26

Correct answer: A

Rationale: Asymmetrical chest wall expansion is a critical finding post-thoracentesis as it may suggest a pneumothorax, requiring immediate intervention to prevent further complications. The other options, such as pain at the insertion site (Choice B), decreased pleural effusion on chest x-ray (Choice C), and normal arterial blood gases within acceptable ranges (Choice D) do not indicate an immediate need for intervention like asymmetrical chest wall expansion does.

5. The nurse should explain to a client with lung cancer that pleurodesis is performed to achieve which expected outcome?

A. Debulk tumor to maintain patency of air passages
B. Relieve empyema after pneumonectomy
C. Prevent the formation of effusion fluid
D. Remove fluid from the intrapleural space

Correct answer: C

Rationale: The correct answer is C. Pleurodesis is a procedure used to prevent the re-accumulation of pleural effusion by creating adhesion between the pleurae. This helps prevent the formation of effusion fluid. Choices A, B, and D are incorrect because pleurodesis is not performed to debulk tumors, relieve empyema after pneumonectomy, or remove fluid from the intrapleural space. Understanding the purpose of pleurodesis is essential in providing accurate patient education and care.