clinical skills exam questions

Questions 29

ATI RN

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clinical skills exam questions Questions

Question 1 of 5

The most common cause of acute kidney injury in critically ill patients is

Correct Answer: A

Rationale: The correct answer is A: sepsis. Sepsis is a leading cause of acute kidney injury in critically ill patients due to the systemic inflammatory response leading to kidney damage. Fluid overload (B) can contribute but is not the primary cause. Medications (C) and hemodynamic instability (D) can also lead to acute kidney injury but are not as common as sepsis in critically ill patients.

Question 2 of 5

A patient with type 1 diabetes who is receiving a continuous subcutaneous insulin infusion via an insulin pump contacts the clinic to report mechanical failure of the infusion pump. The nurse instructs the patient to begin monitoring for signs of:

Correct Answer: B

Rationale: The correct answer is B: diabetic ketoacidosis. When an insulin pump fails, the patient may experience a sudden decrease in insulin delivery, leading to a potential rise in blood glucose levels. This can trigger diabetic ketoacidosis, characterized by hyperglycemia, ketosis, and acidosis. Monitoring for signs such as increased thirst, frequent urination, fruity breath odor, and rapid breathing is crucial. Incorrect choices: A: Adrenal insufficiency is not directly related to insulin pump failure. C: Hyperosmolar, hyperglycemic state is more common in type 2 diabetes and typically occurs with extreme hyperglycemia, not sudden pump failure. D: Hypoglycemia is less likely with pump failure due to decreased insulin delivery.

Question 3 of 5

In determining the glomerular filtration rate (GFR) or creatinine clearance, a 24-hour urine is obtained. If a reliable 24-hour urine collection is not possible,

Correct Answer: D

Rationale: The correct answer is D because if a reliable 24-hour urine collection is not possible, a standardized formula can be used to estimate the GFR. This is typically done using the patient's serum creatinine level, age, sex, and race. It is a validated method when direct measurement is not feasible. A: Incorrect. It is still possible to estimate GFR using formulas when 24-hour urine collection is not possible. B: Incorrect. BUN alone is not sufficient to accurately determine renal function. C: Incorrect. BUN/Creatinine ratio is not a direct measure of GFR and may be influenced by other factors.

Question 4 of 5

Which of the following patients is at the greatest risk of developing acute kidney injury? A patient who

Correct Answer: C

Rationale: The correct answer is C because the patient was recently discharged after a prolonged course of aminoglycoside therapy, which is a known risk factor for acute kidney injury due to its nephrotoxic effects. Choice A is incorrect because although aminoglycosides can cause kidney injury, the duration of therapy is shorter in this case. Choice B is incorrect because controlled hypertension is not a significant risk factor for acute kidney injury. Choice D is incorrect because fluid overload from heart failure may lead to other complications but is not directly associated with acute kidney injury.

Question 5 of 5

Conditions that produce acute kidney injury by directly acting on functioning kidney tissue are classified as intrarenal. The most common intrarenal condition is

Correct Answer: C

Rationale: Rationale: Acute tubular necrosis (ATN) is the most common intrarenal condition causing acute kidney injury. ATN is characterized by damage to the renal tubules due to ischemia or nephrotoxic substances. Prolonged ischemia (choice A) and exposure to nephrotoxic substances (choice B) can lead to ATN. Hypotension for several hours (choice D) can result in ischemic injury, which may lead to ATN but is not the direct cause. Therefore, choice C is correct as it directly relates to the primary intrarenal condition of ATN.

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