The patient is getting hemodialysis for the second time when he complains of a headache and nausea and, a little later, of becoming confused. The nurse realizes these are symptoms of

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Question 1 of 5

The patient is getting hemodialysis for the second time when he complains of a headache and nausea and, a little later, of becoming confused. The nurse realizes these are symptoms of

Correct Answer: C

Rationale: The correct answer is C: dialysis disequilibrium syndrome. This syndrome occurs when there is a rapid shift in electrolytes, especially in the brain, due to the removal of waste products during hemodialysis. The symptoms of headache, nausea, and confusion align with this syndrome as the brain struggles to adjust to the changes. Dialyzer membrane incompatibility (A) is unlikely as it typically presents with allergic reactions, not neurological symptoms. A shift in potassium levels (B) may cause symptoms like muscle weakness or irregular heartbeat, not headache and confusion. Hypothermia (D) would present with low body temperature, shivering, and confusion, but in this case, the symptoms are more indicative of dialysis disequilibrium syndrome.

Question 2 of 5

Peritoneal dialysis is different from hemodialysis in that peritoneal dialysis

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.

Question 3 of 5

The patient is on intake and output (I&O), as well as daily weights. The nurse notes that output is considerably less than intake over the last shift, and daily weight is 1 kg more than yesterday. The nurse should

Correct Answer: C

Rationale: The correct answer is C: assess the patient's lungs. The discrepancy between intake, output, and weight gain indicates a potential fluid imbalance. By assessing the patient's lungs, the nurse can identify signs of fluid overload, such as crackles or difficulty breathing, which could explain the weight gain and imbalance. This step is crucial in determining the underlying cause and guiding further interventions. Drawing a trough level (A) or inserting an indwelling catheter (D) are not necessary at this point and may not address the immediate issue. Placing the patient on fluid restriction (B) should only be considered after a thorough assessment to determine the cause of the imbalance.

Question 4 of 5

The patient is admitted with acute kidney injury from a postrenal cause. Acceptable treatments for that diagnosis include: (Select all that apply.)

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.

Question 5 of 5

Complications common to patients receiving hemodialysis for acute kidney injury include which of the following? (Select all that apply.)

Correct Answer: A

Rationale: The correct answer is A: Hypotension. Hemodialysis can lead to hypotension due to rapid fluid removal, causing a drop in blood pressure. This occurs as the dialysis machine removes excess fluid, affecting plasma volume. Hypotension can result in complications like dizziness, nausea, and potential cardiac issues. Dysrhythmias (B) are less common during hemodialysis for acute kidney injury. Muscle cramps (C) may occur due to electrolyte imbalances but are not as common as hypotension. Hemolysis (D) is not a common complication of hemodialysis but can occur if there are issues with the dialysis machine or blood tubing.

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