Nokea
Complications common to patients receiving hemodialysis for acute kidney injury include which of the following? (Select all that apply.)
- A. Hypotension
- B. Dysrhythmias
- C. Muscle cramps
- D. Hemolysis
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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Daily weights are being recorded for the patient with a urine output that has been less than the intravenous and oral intake. The weight yesterday was 5 kg. This morning it is 99 kg. The nurse understands that this corresponds to a(n)
- A. fluid retention of 1.5 liters.
- B. fluid loss of 1.5 liters.
- C. equal intake and output due to insensible losses.
- D. fluid loss of 0.5 liters.
Correct Answer: A
Rationale: The correct answer is A: fluid retention of 1.5 liters. The weight gain from 5 kg to 99 kg indicates an increase of 94 kg. Since 1 kg of weight gain is approximately equal to 1 liter of fluid retention, the patient has retained 94 liters of fluid. Therefore, the correct choice is fluid retention of 1.5 liters.
Choice B is incorrect because the weight gain indicates fluid retention, not loss. Choice C is incorrect as it mentions equal intake and output, which does not match the weight gain observed. Choice D is incorrect as it suggests fluid loss, which contradicts the weight gain.
A patient has been on daily, high-dose glucocorticoid therapy for the treatment of rheumatoid arthritis. His prescription runs out before his next appointment with his physician. Because he is asymptomatic, he thinks it is all right to withhold the medication for 3 days. What is likely to happen to this patient?
- A. He will go into adrenal crisis.
- B. He will go into thyroid storm.
- C. His autoimmune disease will go into remission.
- D. Nothing; it is appropriate to stop the medication for 3 days.
Correct Answer: A
Rationale: The correct answer is A: He will go into adrenal crisis.
Rationale:
1. Glucocorticoids suppress the body's natural production of cortisol.
2. Abruptly stopping high-dose glucocorticoid therapy can lead to adrenal insufficiency.
3. Adrenal crisis can result in symptoms like weakness, fatigue, hypotension, and potentially life-threatening consequences.
4. This patient, being on high-dose glucocorticoid therapy, is at risk for adrenal crisis if he abruptly stops the medication.
Summary:
B: Thyroid storm is not related to abruptly stopping glucocorticoid therapy.
C: Autoimmune disease remission is unlikely to occur within 3 days of stopping medication.
D: It is not appropriate to stop high-dose glucocorticoid therapy abruptly, as it can lead to adverse effects like adrenal crisis.
In hyperosmolar hyperglycemic syndrome, the laboratory results are similar to those of diabetic ketoacidosis, with three major exceptions. What differences would you expect to see in patients with hyperosmolar hyperglycemic syndrome?
- A. Lower serum glucose, lower osmolality, and greater ketosis
- B. Lower serum glucose, lower osmolality, and milder ketosis
- C. Higher serum glucose, higher osmolality, and greater ketosis
- D. Higher serum glucose, higher osmolality, and no ketosis
Correct Answer: D
Rationale: In hyperosmolar hyperglycemic syndrome, patients have high blood glucose levels, leading to dehydration and increased serum osmolality. Unlike diabetic ketoacidosis, there is no significant ketosis in hyperosmolar hyperglycemic syndrome. Therefore, the correct answer is D: Higher serum glucose, higher osmolality, and no ketosis.
A: Lower serum glucose, lower osmolality, and greater ketosis - This is incorrect because hyperosmolar hyperglycemic syndrome is characterized by high blood glucose levels and no significant ketosis.
B: Lower serum glucose, lower osmolality, and milder ketosis - This is incorrect because hyperosmolar hyperglycemic syndrome presents with higher glucose levels and no ketosis.
C: Higher serum glucose, higher osmolality, and greater ketosis - This is incorrect because hyperosmolar hyperglycemic syndrome does not typically involve significant ketosis.
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.
The patient’s serum creatinine level is 7 mg/dL. The expected BUN level should be
- A. 1 to 2 mg/dL.
- B. 7 to 14 mg/dL.
- C. 10 to 20 mg/dL.
- D. 20 to 30 mg/dL.
Correct Answer: C
Rationale: The correct answer is C (10 to 20 mg/dL). In conditions where the serum creatinine level is elevated (7 mg/dL in this case), the BUN level is expected to also be elevated due to impaired kidney function. BUN levels are typically around 10-20 mg/dL, so this range is the most appropriate given the elevated creatinine level.
Choice A (1 to 2 mg/dL) is too low and would not be expected with a creatinine level of 7 mg/dL. Choice B (7 to 14 mg/dL) is a bit low for such a high creatinine level. Choice D (20 to 30 mg/dL) is too high as it exceeds the typical range for BUN levels. Therefore, choice C is the most appropriate range based on the given information.