HESI RN
HESI RN Nursing Leadership and Management Exam 6
1. How often should rotation sites for insulin injection be separated from one another?
- A. Every third day.
- B. Every week.
- C. Every 2-3 weeks.
- D. Every 2-4 weeks.
Correct answer: C
Rationale: Insulin injection sites should be rotated every 2-3 weeks to prevent lipodystrophy and ensure proper insulin absorption. Option A ('Every third day') is too frequent and does not allow enough time for the previous site to heal properly. Option B ('Every week') might not provide adequate time for the tissue to recover. Option D ('Every 2-4 weeks') could potentially lead to overuse of a single injection site, increasing the risk of lipodystrophy and inconsistent insulin absorption. Therefore, the recommended interval of every 2-3 weeks is optimal for insulin injection site rotation.
2. A nurse caring for a client with hypocalcemia would expect to note which of the following changes on the electrocardiogram?
- A. Widened T wave
- B. Prominent U wave
- C. Prolonged QT interval
- D. Shortened ST segment
Correct answer: C
Rationale: In hypocalcemia, a decreased level of calcium can lead to a prolonged QT interval on the ECG due to its role in myocardial repolarization. A widened T wave (Choice A) is typically seen in hyperkalemia. A prominent U wave (Choice B) is associated with hypokalemia. A shortened ST segment (Choice D) is not a typical ECG finding in hypocalcemia.
3. 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.
4. A client with Cushing's syndrome has been prescribed a diet low in sodium. The nurse knows that the client should avoid which of the following foods?
- A. Bananas
- B. Spinach
- C. Processed meats
- D. Oatmeal
Correct answer: C
Rationale: The correct answer is C: Processed meats. Clients with Cushing's syndrome who are on a low-sodium diet should avoid processed meats because they are typically high in sodium. Bananas, spinach, and oatmeal are generally low in sodium and can be included in a low-sodium diet. Bananas are a good source of potassium, spinach is rich in vitamins and minerals, and oatmeal is a healthy whole grain option. Therefore, choices A, B, and D are not the best options to avoid for a client with Cushing's syndrome following a low-sodium diet.
5. A client with Addison's disease is at risk for which of the following complications?
- A. Hypertension
- B. Hypovolemia
- C. Hypernatremia
- D. Hypokalemia
Correct answer: B
Rationale: A client with Addison's disease is at risk for hypovolemia. Addison's disease is characterized by adrenal insufficiency, particularly cortisol and aldosterone deficiency. Aldosterone deficiency leads to impaired sodium and water retention, resulting in decreased blood volume and hypovolemia. This condition can cause hypotension, not hypertension (Choice A), as reduced blood volume leads to decreased pressure. Hypernatremia (Choice C) is unlikely in Addison's disease because of the loss of sodium along with water in hypovolemia. Hypokalemia (Choice D) can occur due to aldosterone deficiency, but it is not the primary complication associated with Addison's disease.
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