Critical Care Nursing Exam Questions

Questions 81

ATI RN

ATI RN Test Bank

Critical Care Nursing Exam Questions Questions

Question 1 of 5

The nursing is caring for a patient who has had an arterial line inserted. To reduce the risk of complications, what is the priority nursing intervention?

Correct Answer: C

Rationale: The correct answer is C: Obtain a portable x-ray to confirm placement. This is the priority intervention because it ensures the arterial line is correctly positioned, reducing the risk of complications such as dislodgement or improper placement. Applying a pressure dressing (choice A) may be necessary but is not the priority. Ensuring tubing connections are tightened (choice B) is important for preventing leaks but does not address placement. Restraining the affected extremity (choice D) is unnecessary and can lead to complications. The x-ray confirms correct placement, ensuring accurate monitoring and treatment.

Question 2 of 5

To prevent any unwanted resuscitation after life-sustaininga btirrbe.acotmm/teenstt s have been withdrawn, the nurse should ensure that what intervention has been im plemented?

Correct Answer: A

Rationale: The correct answer is A because writing DNR orders before discontinuation of life-sustaining treatments ensures clear communication and legal documentation of the patient's wishes. Choice B is incorrect as family support is essential in end-of-life care. Choice C is incorrect as DNR orders should be established before withdrawing treatment. Choice D is incorrect as the DNR order should be in place before shift change for immediate implementation if needed.

Question 3 of 5

A 22-year-old patient who experienced a near-drowning accident in a local pool, but now is awake and breathing spontaneously, is admitted for observation. Which assessment will be most important for the nurse to take during the observation period?

Correct Answer: C

Rationale: The correct answer is C: Auscultate breath sounds. After a near-drowning incident, the main concern is potential respiratory complications such as aspiration pneumonia or pulmonary edema. Auscultating breath sounds will help the nurse assess for any signs of respiratory distress or complications. This assessment is crucial for early detection and intervention. A: Auscultating heart sounds is important but not as crucial as assessing breath sounds in this scenario. B: Palpating peripheral pulses is important for circulation assessment but does not address the immediate concern of respiratory complications. D: Checking pupil reaction to light is more relevant for neurological assessment and not as critical as assessing breathing in this situation.

Question 4 of 5

Continuous venovenous hemofiltration is used to

Correct Answer: A

Rationale: The correct answer is A because continuous venovenous hemofiltration (CVVH) primarily removes fluids and solutes through the process of convection. In CVVH, blood flows through a filter where hydrostatic pressure drives plasma water and solutes across a semipermeable membrane. This process mimics the natural filtration that occurs in the kidneys. Choice B is incorrect because CVVH does not specifically target plasma water only but also removes solutes. Choice C is incorrect because CVVH does not involve adding dialysate to remove plasma water and solutes. Choice D is incorrect because while CVVH may involve ultrafiltration and convection, it does not typically include dialysis as a primary mechanism for solute removal.

Question 5 of 5

The nurse is caring for a patient receiving benzodiazepine intermittently. What is the best way to administer such drugs?

Correct Answer: D

Rationale: The correct answer is D: Titrate to a predefined endpoint using a standard sedation scale. This approach ensures individualized dosing based on the patient's response, minimizing the risk of over-sedation or under-treatment. It allows for careful monitoring and adjustment of dosage to achieve the desired level of sedation while avoiding adverse effects. A: Administering medication around the clock may lead to unnecessary sedation and increased risk of side effects. B: Administering medications through a feeding tube is not recommended for benzodiazepines as it may affect absorption and increase the risk of complications. C: Giving the highest allowable dose without considering individual response can result in excessive sedation and adverse effects.

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