Nokea
Continuous venovenous hemofiltration is used to
- A. remove fluids and solutes through the process of convection.
- B. remove plasma water in cases of volume overload.
- C. remove plasma water and solutes by adding dialysate.
- D. combine ultrafiltration, convection, and dialysis.
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.
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The nurse is concerned that the patient will pull out the en dotracheal tube. As part of the nursing management, the nurse should obtain an order for what intervention?
- A. A Posey-type vest
- B. A higher dosage of lorazepam
- C. Propofol
- D. Soft wrist restraints
Correct Answer: A
Rationale: The correct answer is A. A Posey-type vest is a restraint designed to prevent patients from pulling out medical devices like endotracheal tubes, ensuring their safety. It is a less restrictive option compared to wrist restraints and sedatives (B and C), which can have adverse effects and may not directly address the concern of tube removal. Using a Posey-type vest promotes patient autonomy by allowing some movement while still providing the necessary protection.
A critically ill patient who is intubated and agitated is restrained with soft wrist restraints. Based on research findings, what is the best nursing action?
- A. Maintain the restraints to protect patient safety.
- B. Remove the restraints periodically to check skin integrity.
- C. Remove the restraints periodically for range of motion.
- D. Assess and intervene for causes of agitation. Answer Key
Correct Answer: D
Rationale: The correct answer is D: Assess and intervene for causes of agitation. In a critically ill patient, agitation while intubated could indicate underlying issues like pain, delirium, or inadequate sedation. By assessing and addressing the root cause of agitation, the nurse can improve patient comfort and prevent potential harm from restraints. Removing restraints periodically for skin integrity (B) and range of motion (C) is important but should not be the primary focus when agitation is present. Maintaining restraints (A) without addressing the agitation could lead to increased distress and potential complications.
The nurse is assessing a client and identifies a bruit over the thyroid. This finding is consistent with which interpretation?
- A. Hypothyroidism.
- B. Thyroid cyst.
- C. Thyroid cancer.
- D. Hyperthyroidism.
Correct Answer: D
Rationale: The presence of a bruit over the thyroid indicates increased blood flow, characteristic of hyperthyroidism. This excess blood flow is due to the hypermetabolic state in hyperthyroidism, leading to turbulent blood flow and the audible bruit. A bruit is not typically associated with hypothyroidism, thyroid cysts, or thyroid cancer, as these conditions do not cause increased blood flow. Therefore, the correct interpretation is hyperthyroidism.
The term used to describe an increase in blood urea nitrogen (BUN) and serum creatinine is
- A. oliguria.
- B. azotemia.
- C. acute kidney injury.
- D. prerenal disease.
Correct Answer: B
Rationale: The correct answer is B: azotemia. Azotemia refers to an increase in BUN and serum creatinine levels, indicating impaired kidney function. Oliguria (A) is a decrease in urine output, not specific to BUN and creatinine levels. Acute kidney injury (C) is a broader term encompassing various causes of kidney dysfunction, not specific to elevated BUN and creatinine. Prerenal disease (D) refers to conditions affecting blood flow to the kidneys, not directly related to elevated BUN and creatinine levels.
The family members are excited about being transferring t heir loved one from the critical care unit to the intermediate care unit. However, they are also fearful of the change in environment and nursing staff. To reduce relocation stress, the nurse ca n implement what intervention? (Select all that apply.)
- A. Arranging for the nurses on the intermediate care unit to give the family a tour of the new unit.
- B. Contacting the primary care provider to see if the patient can stay one additional day in the critical care unit so that the family can adjus t better to the idea of a transfer.
- C. Ensuring that the patient will be located near the nurse ’s station in the new unit.
- D. Inviting the nurse who will be assuming the patient’s care to meet with the patient and family in the critical care unit prior to transfer.
Correct Answer: A
Rationale: The correct answer is A (Arranging for the nurses on the intermediate care unit to give the family a tour of the new unit) because it helps familiarize the family with the new environment, alleviating their fears. The tour allows them to see where their loved one will be cared for, meet the nursing staff, and ask any questions they may have. This intervention promotes a smooth transition, reduces anxiety, and builds trust.
Choice B is incorrect because delaying the transfer doesn't address the fear of change and can prolong stress. Choice C is incorrect as proximity to the nurse's station may not necessarily reduce relocation stress for the family. Choice D is incorrect because meeting the new nurse in the current unit may not provide the same level of comfort and preparation compared to physically visiting the new unit.