Critical Care Nursing Cardiac Questions

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Critical Care Nursing Cardiac Questions Questions

Question 1 of 5

How should the nurse interprets these blood gas values? 2 3

Correct Answer: C

Rationale: The correct interpretation is uncompensated respiratory acidosis (Choice C) based on the values. Step 1: Evaluate pH - pH is <7.35, indicating acidosis. Step 2: Determine PaCO2 - PaCO2 is >45 mmHg, indicating respiratory cause. Step 3: Check HCO3- - HCO3- is within normal range, indicating uncompensated state. Choices A, B, and D are incorrect because they do not align with the given blood gas values.

Question 2 of 5

A client is admitted to the hospital with a diagnosis of Type 2 diabetes mellitus and influenza. Which categories of illness should the nurse develop goals for the client's plan of care?

Correct Answer: A

Rationale: The correct answer is A: One chronic and one acute illness. This is because Type 2 diabetes mellitus is a chronic condition, while influenza is an acute illness. The nurse should develop goals addressing the management and control of the chronic condition (diabetes) as well as the treatment and recovery from the acute illness (influenza). This approach ensures comprehensive care that considers both the long-term management of the chronic illness and the immediate needs related to the acute illness. Choices B, C, and D are incorrect because they do not address the combination of chronic and acute illnesses presented in the scenario. Choice B focuses solely on two acute illnesses, which overlooks the ongoing management required for the chronic condition. Choice C combines an acute and an infectious illness, but fails to account for the chronic illness component. Choice D involves two chronic illnesses, neglecting the immediate care needed for the acute illness.

Question 3 of 5

The nurse is caring for a patient in the critical care unit whaobi,r ba.cfotemr/ tebset ing declared brain dead, is being managed by the OPO transplant coordinator. Thir ty minutes into the shift, assessment by the nurse includes a blood pressure 75/50 mm Hg, hear t rate 85 beats/min, and respiratory rate 12 breaths/min via assist/control ventilation. The oxygen saturation (SpO ) is 99% and 2 core temperature 93.8� F. Which primary care provider ord er should the nurse implement first?

Correct Answer: C

Rationale: The correct answer is C: Begin phenylephrine (Neo-Synephrine) for systolic BP < 90 mm Hg. The nurse should implement this order first because the patient's low blood pressure (75/50 mm Hg) indicates hypotension, which can lead to inadequate perfusion to vital organs. Phenylephrine is a vasoconstrictor that can help increase the patient's blood pressure and improve perfusion. It is crucial to address hypotension promptly to prevent further complications. Choice A is incorrect because maintaining the patient's temperature above 96.8�F is not the most urgent concern in this scenario. Choice B is incorrect as obtaining a basic metabolic panel every 4 hours is not the immediate priority when the patient is experiencing hypotension. Choice D is incorrect as drawing arterial blood gas every 4 hours is not the most urgent intervention needed to address the patient's low blood pressure.

Question 4 of 5

Continuous renal replacement therapy (CRRT) differs from conventional intermittent hemodialysis in that

Correct Answer: D

Rationale: The correct answer is D because CRRT removes solutes and water slowly, which is beneficial for hemodynamically unstable patients. This slow removal allows for gradual fluid and electrolyte balance adjustments, reducing the risk of hemodynamic instability. A: Incorrect - A hemofilter is indeed used in CRRT, but this choice does not highlight the key difference between CRRT and intermittent hemodialysis. B: Incorrect - CRRT actually provides slower solute and water removal compared to intermittent hemodialysis. C: Incorrect - Diffusion does occur in CRRT, as it is a key mechanism for solute removal in the process. In summary, the key difference between CRRT and intermittent hemodialysis is the slow removal of solutes and water in CRRT, making choice D the correct answer.

Question 5 of 5

To verify the correct placement of an oral endotracheal tube (ET) after insertion, the best initial action by the nurse is to:

Correct Answer: D

Rationale: The correct answer is D because using an end-tidal CO2 monitor is the most reliable method to confirm correct endotracheal tube placement in the trachea. This method detects exhaled CO2, indicating proper tube placement in the trachea. It is a quick and efficient way to confirm placement without delay, reducing the risk of complications. A: Auscultating for bilateral breath sounds is not as reliable because breath sounds may be heard even if the tube is misplaced. B: Obtaining a portable chest x-ray is not the best initial action as it takes time and delays confirming tube placement. C: Observing chest movement may not provide conclusive evidence of proper tube placement and can lead to misinterpretation. In summary, using an end-tidal CO2 monitor is the most accurate and efficient method to verify correct endotracheal tube placement compared to the other options.

Similar Questions

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