Critical Care Nursing Cardiac Questions

Correct Answer: B

Rationale: The correct answer is B: Abdominal ultrasonography. This is because ultrasonography is a non-invasive imaging technique that can quickly evaluate for internal injuries such as organ damage or bleeding in patients with blunt abdominal trauma. It is a rapid and effective diagnostic tool to assess the extent of injury and guide further management. Peritoneal lavage (A) is an invasive procedure used in trauma settings to detect intra-abdominal bleeding but is not typically used for teaching purposes. Nasogastric tube placement (C) is used for decompression and drainage in certain conditions but is not relevant for assessing abdominal trauma. Magnetic resonance imaging (MRI) (D) is not typically used as the initial imaging modality for acute trauma due to time constraints and its limited availability in emergency settings.

Correct Answer: A

Rationale: The correct answer is A. A decrease in the arterial pressure (hypotension) with a low diastolic pressure (46 mmHg) may indicate inadequate perfusion, possibly due to inadequate cardiac output from the mechanical ventilation. This suggests that a change in ventilator settings may be required to improve oxygenation and perfusion. Option B is incorrect because a heart rate of 58 beats/minute alone does not provide direct information on the patient's hemodynamic status. Option C is incorrect as an increased stroke volume would usually be a positive indicator; it does not necessarily indicate a need for changing the ventilator settings. Option D is incorrect as a stroke volume variation of 12% is within normal limits and does not necessarily require a change in ventilator settings.

Correct Answer: D

Rationale: The correct answer is D, Living will. A living will is a legal document that outlines a person's preferences for medical treatment if they become unable to communicate their wishes. It specifically addresses life-prolonging procedures. Option A, Do not resuscitate order, is a specific directive to not perform CPR in case of cardiac arrest, not a comprehensive medical care directive. Option B, Healthcare proxy, is a person designated to make medical decisions on behalf of a patient who is unable to do so, not the specific directive itself. Option C, Informed consent, refers to the process of obtaining permission from a patient before conducting a healthcare intervention, not a directive for life-prolonging procedures.

Correct Answer: A

Rationale: The correct answer is A: Difficulty communicating. When a patient undergoes endotracheal intubation and mechanical ventilation, they are unable to speak normally. This leads to frustration and anxiety due to the inability to communicate effectively with healthcare providers and loved ones. The lack of communication can also impact their emotional well-being. Choices B, C, and D are less likely as the most common recollection because patients might not remember feeling uncomfortable, experiencing pain, or having sleep disruption during sedation and ventilation. Additionally, the inability to communicate is a primary concern for patients in this situation.

Correct Answer: D

Rationale: The correct answer is D: Facilitation of learning. In this scenario, the nurse needs to effectively educate the patient on managing her diet, insulin injections, and handling emergencies. Facilitation of learning involves assessing the patient's learning needs, providing relevant information, demonstrating skills, and evaluating understanding. This competency is crucial for promoting patient education and empowerment in managing their condition. A: Clinical judgment involves making decisions based on assessment data, which is important but not the primary focus in this situation. B: Advocacy and moral agency involve standing up for patients' rights and values, which is important but not as directly relevant to the patient's education needs. C: Caring practices involve showing empathy and compassion, which are essential but not the main competency required for educational purposes in this case.