HESI RN
Leadership and Management HESI
1. A client newly diagnosed with DM asks a nurse why it is necessary to monitor blood glucose levels so often. The nurse's best response would be:
- A. It helps to adjust insulin doses more precisely.
- B. It helps to prevent complications of diabetes.
- C. It helps to identify the best diet for you.
- D. It helps to reduce the need for medications.
Correct answer: B
Rationale: Monitoring blood glucose levels frequently is crucial for preventing complications in diabetes. By keeping a close eye on blood glucose levels, healthcare providers can intervene in a timely manner if levels are out of range, thus reducing the risk of long-term complications such as nerve damage, kidney disease, and vision problems. Choices A, C, and D are incorrect because while monitoring blood glucose levels may indirectly contribute to adjusting insulin doses, identifying the best diet, and reducing the need for medications, the primary purpose is to prevent complications through timely interventions.
2. A client with a diagnosis of diabetic ketoacidosis (DKA) is being treated in the ER. Which finding would a nurse expect to note as confirming this diagnosis?
- A. Elevated blood glucose level and a low plasma bicarbonate
- B. Decreased urine output
- C. Increased respirations and an increase in pH
- D. Comatose state
Correct answer: A
Rationale: The correct answer is A: Elevated blood glucose level and a low plasma bicarbonate. Diabetic ketoacidosis (DKA) is characterized by hyperglycemia, ketosis, and metabolic acidosis, reflected by a low plasma bicarbonate. Elevated blood glucose levels are a hallmark of DKA due to the body's inability to use glucose properly. Choices B, C, and D are incorrect. Decreased urine output is not a specific finding associated with DKA. Increased respirations and an increase in pH are not typical in DKA; in fact, respiratory compensation for the metabolic acidosis in DKA leads to Kussmaul breathing (deep, rapid breathing). A comatose state may occur in severe cases of DKA but is not a confirming finding for the diagnosis.
3. A client with diabetes mellitus is scheduled for surgery. The nurse should prioritize which of the following preoperative actions?
- A. Administer a full dose of insulin before surgery
- B. Hold all oral hypoglycemic agents the day before surgery
- C. Monitor blood glucose levels closely before surgery
- D. Instruct the client to avoid all fluids the morning of surgery
Correct answer: C
Rationale: Monitoring blood glucose levels closely before surgery is the priority for a client with diabetes mellitus. This allows for early detection of any abnormalities and helps prevent hypo- or hyperglycemia complications that can arise during the perioperative period. Option A is incorrect because insulin dosing should be individualized based on the client's current blood glucose levels and the surgical plan. Option B is incorrect as abruptly holding oral hypoglycemic agents can lead to uncontrolled blood glucose levels. Option D is incorrect as adequate fluid intake is important for the client's hydration status and overall well-being before surgery.
4. The healthcare provider is monitoring a client with diabetic ketoacidosis (DKA). Which of the following laboratory findings would be expected?
- A. Decreased blood glucose levels
- B. Decreased urine ketones
- C. Increased serum bicarbonate
- D. Increased anion gap
Correct answer: D
Rationale: In diabetic ketoacidosis (DKA), there is an excess of ketone bodies produced due to the breakdown of fatty acids for energy, leading to metabolic acidosis. An increased anion gap is a characteristic laboratory finding in DKA. The increased anion gap is a result of the accumulation of ketoacids and lactic acid in the blood, contributing to metabolic acidosis. Therefore, the correct answer is an increased anion gap. Choices A, B, and C are incorrect because in DKA, blood glucose levels are typically elevated, urine ketones are increased due to the breakdown of fatty acids, and serum bicarbonate is usually decreased as it is consumed in an attempt to buffer the acidosis.
5. A client with type 2 diabetes mellitus is taking metformin. The nurse should monitor the client for which of the following potential side effects?
- A. Lactic acidosis
- B. Hypokalemia
- C. Hyperglycemia
- D. Weight gain
Correct answer: A
Rationale: The correct answer is A: Lactic acidosis. Metformin, a common medication for type 2 diabetes mellitus, can lead to lactic acidosis, particularly in individuals with renal impairment or other predisposing factors. Monitoring for signs and symptoms of lactic acidosis, such as muscle pain, weakness, trouble breathing, dizziness, and slow or irregular heartbeat, is crucial when a client is taking metformin. Choice B, hypokalemia, is not a common side effect of metformin. Choice C, hyperglycemia, is contrary to the intended effect of metformin, which is to lower blood glucose levels. Choice D, weight gain, is not typically associated with metformin use; in fact, metformin may even contribute to weight loss in some individuals.
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