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The nurse is caring for a patient with acute kidney injury who is being treated with hemodialysis. The patient asks if he will need dialysis for the rest of his life. Which of the following would be the best response?
- A. “Unfortunately, kidney injury is not reversible; it is permanent.”
- B. “Kidney function usually returns within 2 weeks.”
- C. “You will know for sure if you start urinating a lot all at once.”
- D. “Recovery is possible, but it may take several months.”
Correct Answer: D
Rationale: The correct answer is D: “Recovery is possible, but it may take several months.” This response is the best because acute kidney injury can be reversible with appropriate management, and recovery may take time. It is important to provide hope and encouragement to the patient.
A: “Unfortunately, kidney injury is not reversible; it is permanent.” - This is incorrect as acute kidney injury can be reversible with timely intervention and proper treatment.
B: “Kidney function usually returns within 2 weeks.” - This is incorrect because the recovery timeline varies for each individual and can take longer than 2 weeks.
C: “You will know for sure if you start urinating a lot all at once.” - This is incorrect as increased urine output may not always indicate complete recovery from acute kidney injury.
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Peritoneal dialysis is different from hemodialysis in that peritoneal dialysis
- A. is more frequently used for acute kidney injury.
- B. uses the patient’s own semipermeable membrane (peritoneal membrane).
- C. is not useful in cases of drug overdose or electrolyte imbalance.
- D. is not indicated in cases of water intoxication.
Correct Answer: B
Rationale: The correct answer is B because peritoneal dialysis uses the patient's own semipermeable membrane, the peritoneal membrane, to filter waste and excess fluid from the blood. This membrane allows for the exchange of fluids and solutes, making it an effective method for dialysis.
A is incorrect because peritoneal dialysis can be used for acute kidney injury.
C is incorrect as peritoneal dialysis can address drug overdose and electrolyte imbalance by removing toxins and balancing electrolytes.
D is incorrect as peritoneal dialysis can be used in cases of water intoxication by helping to remove excess fluid from the body.
The patient is admitted with complaints of general malaise and fatigue, along with a decreased urinary output. The patient’s urinalysis shows coarse, muddy brown granular casts and hematuria. The nurse determines that the patient has:
- A. acute kidney injury from a prerenal condition.
- B. acute kidney injury from postrenal obstruction.
- C. intrarenal disease, probably acute tubular necrosis.
- D. a urinary tract infection.
Correct Answer: C
Rationale: The correct answer is C: intrarenal disease, probably acute tubular necrosis. The presence of coarse, muddy brown granular casts and hematuria in the urinalysis indicates damage to the renal tubules, which is characteristic of acute tubular necrosis. This condition is a type of intrarenal disease where there is direct damage to the kidney tubules, leading to decreased urinary output and symptoms like malaise and fatigue. Prerenal and postrenal conditions do not typically present with granular casts and hematuria, making choices A and B incorrect. Urinary tract infection is also unlikely to cause the specific findings seen in this case, ruling out choice D. Therefore, choice C is the most appropriate based on the urinalysis results and clinical presentation.
The patient is admitted with acute kidney injury from a postrenal cause. Acceptable treatments for that diagnosis include: (Select all that apply.)
- A. bladder catheterization.
- B. increasing fluid volume intake.
- C. ureteral stenting.
- D. placement of nephrostomy tubes.
Correct Answer: A
Rationale: The correct answer is A. Bladder catheterization helps relieve urinary obstruction, a common postrenal cause of acute kidney injury. It allows urine to drain freely from the bladder.
- B: Increasing fluid volume intake may worsen the condition by increasing the pressure on the obstructed kidneys.
- C: Ureteral stenting is used for intrarenal causes, not postrenal causes.
- D: Placement of nephrostomy tubes bypasses the obstruction but is usually reserved for more severe cases.
A patient presents to the emergency department with suspected thyroid storm. The nurse should be alert to which of the following cardiac rhythms while providing care to this patient?
- A. Atrial fibrillation
- B. Idioventricular rhythm
- C. Junctional rhythm
- D. Sinus bradycardia
Correct Answer: A
Rationale: The correct answer is A: Atrial fibrillation. In thyroid storm, excess thyroid hormone levels can lead to increased sympathetic activity, causing tachycardia and arrhythmias like atrial fibrillation. Atrial fibrillation is common in thyroid storm due to the hypermetabolic state and increased risk of atrial arrhythmias. Other choices are incorrect: B (Idioventricular rhythm) is not typically associated with thyroid storm, C (Junctional rhythm) is less likely since atrial arrhythmias are more common, and D (Sinus bradycardia) is unlikely due to the hypermetabolic state causing tachycardia.
The patient is in need of immediate hemodialysis, but has no vascular access. The nurse prepares the patient for insertion of
- A. a percutaneous catheter at the bedside.
- B. a percutaneous tunneled catheter at the bedside.
- C. an arteriovenous fistula.
- D. an arteriovenous graft.
Correct Answer: A
Rationale: The correct answer is A: a percutaneous catheter at the bedside. In this urgent situation, a percutaneous catheter can be quickly inserted at the bedside to provide immediate vascular access for hemodialysis. This option allows for rapid initiation of treatment without the need for surgical placement or waiting for a more permanent access like an arteriovenous fistula or graft.
Incorrect Choices:
B: A percutaneous tunneled catheter may require more time for insertion due to tunneling and may not be suitable for immediate use.
C: An arteriovenous fistula is a more permanent access created surgically and requires time to mature before being used for hemodialysis.
D: An arteriovenous graft is also a surgical option that requires time to heal and mature before being used for hemodialysis.