Critical Care Nursing Exam Questions

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Critical Care Nursing Exam Questions Questions

Question 1 of 5

The nurse is caring for 80-year-old patient who has been tr eated for gastrointestinal bleeding. The family has agreed to withhold or withdraw additional treatment. The patient has a written advance directive specifying requests. The directive notes that the patient wants food and fluid to be continued and to be made physically comfortable. Th e nurse anticipates that several orders may be written to comply with this request, including which of the following? (Select all that apply.)

Correct Answer: A

Rationale: The correct answer is A: "Do not resuscitate." In this scenario, the patient's advance directive specifies a desire for comfort measures and continuation of food and fluids. A DNR order aligns with this directive by respecting the patient's wish to avoid aggressive life-saving measures. This choice prioritizes the patient's autonomy and quality of life. Other options (B, C, D) are not aligned with the patient's wishes. Changing antibiotics or stopping blood transfusions may be unrelated to the patient's comfort or food/fluid preferences. Discontinuing tube feeding goes against the directive's request for food and fluid continuation.

Question 2 of 5

Which acid-base disturbances commonly occurs with the hyperventilation and impaired gas exchange seen in severe exacerbation of asthma?

Correct Answer: D

Rationale: The correct answer is D: Respiratory alkalosis. Hyperventilation in severe asthma exacerbation leads to excessive removal of CO2, causing a decrease in carbonic acid levels, resulting in respiratory alkalosis. Metabolic acidosis (A) is not typically associated with hyperventilation. Metabolic alkalosis (B) is caused by excessive loss of acid or gain of bicarbonate, not by hyperventilation. Respiratory acidosis (C) is characterized by an increase in CO2 levels due to inadequate ventilation, which is the opposite of what occurs in severe asthma exacerbation.

Question 3 of 5

The patient�s potassium level is 7.0 mEq/L. Besides dialysis, which of the following actually reduces plasma potassium levels and total body potassium content safely in a patient with renal dysfunction?

Correct Answer: C

Rationale: Correct Answer: C - Regular insulin Rationale: 1. Insulin promotes cellular uptake of potassium. 2. When insulin is administered, it moves potassium from extracellular to intracellular space. 3. This decreases plasma potassium levels safely. 4. Other options do not directly lower potassium levels in the same manner. Summary of Other Choices: A: Sodium polystyrene sulfonate - exchanges sodium for potassium in the intestines, not reducing total body potassium. B: Sodium polystyrene sulfonate with sorbitol - similar to A, does not reduce total body potassium. D: Calcium gluconate - does not directly lower potassium levels, used for treating hyperkalemia-induced cardiac toxicity.

Question 4 of 5

The nurse is assisting with endotracheal intubation and un derstands correct placement of the endotracheal tube in the trachea would be identified by which of the following? (Select all that apply.)

Correct Answer: B

Rationale: The correct answer is B: Equal bilateral breath sounds upon auscultation. This indicates proper placement of the endotracheal tube in the trachea, ensuring both lungs are being ventilated equally. Rationale: 1. Auscultation of air over the epigastrium (Choice A) is incorrect as it indicates esophageal intubation, not tracheal intubation. 2. Position above the carina verified by chest x-ray (Choice C) is incorrect as it does not confirm proper placement at the trachea. 3. Positive detection of carbon dioxide (CO2) (Choice D) is incorrect as it indicates the presence of exhaled CO2, but not necessarily proper placement in the trachea.

Question 5 of 5

The nurse recommends that the family of a critically ill patient seek help from the Critical Care Family Assistance Program. What benefit for the family does the nurse anticipate?

Correct Answer: C

Rationale: The correct answer is C: Multidisciplinary support. The Critical Care Family Assistance Program offers a range of professionals such as social workers, counselors, and financial advisors to provide holistic support to the family. This helps address emotional, financial, and practical needs during a challenging time. Option A is incorrect because the program does not directly reduce healthcare costs. Option B is incorrect as the focus is not solely on physical comfort but on comprehensive support. Option D is incorrect as the primary aim is not health promotion but rather addressing the family's immediate concerns and needs.

Similar Questions

The nurse recommends that the family of a critically ill patient seek help from the Critical Care Family Assistance Program. What benefit for the family does the nurse anticipate?
A nurse who has been recently hired to manage the nursing staff of the ICU is concerned at the lack of evidence-based practice she sees among the staff. Which of the following would be the best step for her to take to promote incorporating evidence into clinical practice?
A patient is experiencing severe pain, despite receiving pain medication for the past 24 hours. The patients wife expresses concern about this to the nurse. Which response by the nurse would be most empowering to the patients family?
The nurse is caring for an older adult patient who is in card iogenic shock and has failed to respond to medical treatment. The primary care provider conducts a conference to explain that they have exhausted treatment options and suggest that the patient be made a �do not resuscitate� status. This scenario illustrates what medical concept?
The nurse responds to a ventilator alarm and finds the patient lying in bed holding the endotracheal tube (ET). Which action should the nurse take next?

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