Critical Care Nursing Practice Questions

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Critical Care Nursing Practice Questions Questions

Question 1 of 5

The nurse is caring for a patient with an arterial monitoring system. The nurse assesses the patient�s noninvasive cuff blood pressure to be 70/40 mm Hg. The arterial blood pressure measurement via an intraarterial catheter in the same arm is assessed by the nurse to be 108/70 mm Hg. What is the best action by the nurse?

Correct Answer: C

Rationale: Rationale for Correct Answer (C - Assess the cuff for proper arm size): 1. The cuff blood pressure (70/40 mm Hg) is significantly lower than the arterial blood pressure (108/70 mm Hg). 2. Discrepancy suggests cuff size mismatch, leading to inaccurate readings. 3. Assessing cuff size ensures accurate blood pressure measurement. 4. Ensures appropriate interventions based on accurate readings. Summary of Incorrect Choices: A: Rapid response not warranted based solely on blood pressure discrepancy. B: Trendelenburg position not indicated for cuff size issue. D: Normal saline bolus not appropriate without accurate blood pressure measurement.

Question 2 of 5

The condition of a critically ill patient with a living will has deteriorated. The patient�s partner wants �everything done,� regardless of the patient�s wishe s. Which ethical principle is the partner violating?

Correct Answer: A

Rationale: The correct answer is A: Autonomy. Autonomy is the ethical principle that respects an individual's right to make decisions about their own care and treatment. In this scenario, the partner wanting "everything done" regardless of the patient's wishes violates the patient's autonomy by not honoring their previously expressed wishes outlined in the living will. This decision disregards the patient's right to make choices about their own healthcare. Choices B, C, and D are incorrect because: B: Beneficence focuses on doing good for the patient, but in this case, the partner's actions are not necessarily in the patient's best interest. C: Justice pertains to fairness and equal treatment, which is not directly relevant to the situation described. D: Nonmaleficence is the principle of doing no harm, but in this scenario, the harm is not necessarily physical but rather a violation of the patient's autonomy.

Question 3 of 5

The patient is in need of immediate hemodialysis, but has no vascular access. The nurse prepares the patient for insertion of

Correct Answer: A

Rationale: The correct answer is A: a percutaneous catheter at the bedside. This is the most appropriate option for immediate hemodialysis when the patient has no vascular access. A percutaneous catheter can be quickly inserted at the bedside, allowing for immediate initiation of hemodialysis. Choice B, a percutaneous tunneled catheter, involves a more complex insertion process and is not typically done at the bedside. Choices C and D, arteriovenous fistula and arteriovenous graft, require advanced planning and surgical procedures, making them unsuitable for immediate hemodialysis in this scenario.

Question 4 of 5

Which of the following statements regarding pain and anxiety are true? (Select all that apply.)

Correct Answer: A

Rationale: Rationale: A: Correct. Anxiety is characterized by apprehension, agitation, autonomic arousal, and fearful withdrawal, which are distinct from pain. B: Incorrect. Critically ill patients can experience both anxiety and pain, as pain is not exclusive to them. C: Incorrect. While pain and anxiety can be interrelated, they can be differentiated based on their unique physiological and behavioral manifestations. D: Incorrect. Pain is a subjective experience, but it is not solely defined by the individual; objective assessments are also important.

Question 5 of 5

The nurse is caring for a patient with cystic fibrosis (CF) and understands that treatment consists of which of the following? (Select all that apply.)

Correct Answer: A

Rationale: The correct answer is A: Airway clearance therapies. In cystic fibrosis (CF), mucus buildup in the lungs can lead to infections and breathing difficulties. Airway clearance therapies help loosen and clear this mucus, improving lung function. Antibiotic therapy (B) is used to treat infections but is not specific to CF treatment. Nutritional support (C) is crucial in CF due to malabsorption, but it is not the primary treatment. Tracheostomy (D) is a surgical procedure to create an airway bypassing the upper respiratory tract and is not a standard treatment for CF.

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