Noninvasive diagnostic procedures used to determine kidney function include which of the following? (Select all that apply.)

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Question 1 of 5

Noninvasive diagnostic procedures used to determine kidney function include which of the following? (Select all that apply.)

Correct Answer: A

Rationale: The correct answer is A: Kidney, ureter, bladder (KUB) x-ray. This procedure is noninvasive and commonly used to assess kidney function by visualizing the size, shape, and position of the kidneys. Renal ultrasound is also noninvasive and can provide detailed images of the kidneys. However, MRI and IVP are more invasive procedures that involve the use of contrast agents and are not typically used solely for diagnostic purposes to assess kidney function. Overall, KUB x-ray and renal ultrasound are the preferred noninvasive options for evaluating kidney function.

Question 2 of 5

A patient is being mechanically ventilated in the synchronized intermittent mandatory ventilation mode at a rate of 4 breaths/min. Spontaneous re spirations are 12 breaths/min. The patient receives a dose of morphine sulfate, and now respi rations decrease to 4 breaths/min. What adjustments may need to be made to the patient’s ve ntilator settings?

Correct Answer: C

Rationale: The correct answer is C: Change to assist/control ventilation at a rate of 4 breaths/min. When the patient's spontaneous respirations decrease to match the ventilator rate, it indicates that the patient is not actively participating in breathing. Changing to assist/control ventilation allows the patient to trigger breaths when they desire, ensuring a more synchronized and comfortable breathing pattern. A: Adding PEEP may help improve oxygenation but is not directly related to the issue of decreased spontaneous respirations. B: Adding pressure support provides additional support during inspiration but does not address the underlying issue of decreased spontaneous respirations. D: Increasing the SIMV respiratory rate would not address the patient's decreased spontaneous respirations and could potentially lead to overventilation.

Question 3 of 5

Following surgery for an abdominal aortic aneurysm, the patient’s central venous pressure (CVP) monitor indicates low pressures. Which action is a priority for the nurse to take?

Correct Answer: B

Rationale: The correct answer is B: Increase the IV fluid infusion per protocol. Low CVP post-abdominal aortic aneurysm surgery could indicate hypovolemia, which requires fluid resuscitation. Increasing IV fluid infusion helps restore intravascular volume, improve tissue perfusion, and prevent hypotension. Administering diuretics (A) would worsen hypovolemia. Documenting (C) is important but not the priority when the patient needs immediate intervention. Elevating the head of the bed (D) may help with venous return but is not the priority over addressing hypovolemia.

Question 4 of 5

What term is used to describe a specific request made by a competent person that directs medical care related to life-prolonging procedures if the pa tient loses capacity to make decisions?

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.

Question 5 of 5

The nurse wishes to enhance sleep cycles in her critically ill patient. Research has shown that which nursing action improves sleep in critically ill patients?

Correct Answer: D

Rationale: The correct answer is D: Adequate pain control. Pain can significantly disrupt sleep in critically ill patients. By ensuring adequate pain control, the nurse can help improve the patient's ability to rest and sleep. This intervention targets a key factor affecting sleep cycles in critically ill patients. Repositioning every 2 hours (A) may help prevent pressure ulcers but does not directly address sleep improvement. Hypnotic medications (B) may have adverse effects and are not recommended as a first-line intervention. Five-minute back effleurage (C) may provide temporary relaxation but is not as effective as adequate pain control in improving sleep quality.

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