HESI RN
Leadership and Management HESI
1. 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.
2. The client with newly diagnosed diabetes mellitus is receiving education from the nurse on managing blood glucose levels. Which statement indicates a need for further teaching?
- A. I will monitor my blood glucose levels regularly.
- B. I can eat whatever I want as long as I take my medication.
- C. I should exercise regularly to help control my blood sugar.
- D. I will rotate my injection sites to avoid tissue damage.
Correct answer: B
Rationale: Choice B indicates a need for further teaching because it suggests that the client can eat whatever they want as long as they take their medication, which is incorrect. Clients with diabetes mellitus need to follow a healthy and balanced diet in addition to taking their medication to effectively manage blood glucose levels. Choices A, C, and D are correct statements for managing diabetes. Monitoring blood glucose levels regularly, engaging in regular exercise to help control blood sugar, and rotating injection sites to avoid tissue damage are all important aspects of diabetes management.
3. A nurse is preparing to administer NPH insulin to a client with DM. The nurse notes that the NPH insulin vial is cloudy. The nurse should:
- A. Obtain a new vial of NPH insulin.
- B. Draw up the cloudy insulin as ordered.
- C. Shake the vial vigorously before drawing up the insulin.
- D. Warm the insulin to room temperature before administration.
Correct answer: B
Rationale: The correct answer is to draw up the cloudy insulin as ordered. NPH insulin is inherently cloudy due to its suspension of insulin crystals. Shaking the vial vigorously can lead to denaturation of the insulin molecules, altering its efficacy. Warming NPH insulin is not necessary as it can cause breakdown of insulin molecules. The nurse should gently roll the vial between hands to mix it before drawing it up to ensure an even distribution of insulin in the suspension.
4. A client with diabetes mellitus is being educated on the signs and symptoms of hypoglycemia. Which of the following symptoms should the client be instructed to report immediately?
- A. Shakiness
- B. Sweating
- C. Confusion
- D. Increased thirst
Correct answer: C
Rationale: Confusion is a critical symptom of hypoglycemia that indicates the brain is not receiving enough glucose, potentially leading to serious complications like unconsciousness or seizures. Immediate reporting of confusion is essential for prompt intervention to prevent worsening of hypoglycemia. Shakiness and sweating are early warning signs of hypoglycemia but may not always require immediate intervention. Increased thirst is a symptom commonly associated with hyperglycemia rather than hypoglycemia.
5. The client with Addison's disease is receiving education on managing the condition. Which of the following instructions should be included?
- A. Increase your sodium intake during periods of stress.
- B. Avoid all types of exercise.
- C. Decrease your fluid intake to prevent fluid overload.
- D. Stop corticosteroid therapy once symptoms improve.
Correct answer: A
Rationale: The correct instruction to include for a client with Addison's disease is to increase sodium intake during periods of stress. In Addison's disease, there is a deficiency of aldosterone leading to sodium loss. Increasing sodium intake helps to compensate for this loss and prevent complications. Choice B is incorrect as exercise is beneficial for overall health but should be done in moderation. Choice C is incorrect as fluid intake should be adequate to prevent dehydration since clients with Addison's disease are prone to electrolyte imbalances. Choice D is incorrect as corticosteroid therapy is essential for managing Addison's disease and should not be discontinued abruptly without medical guidance.
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