HESI RN
HESI RN Nursing Leadership and Management Exam 5
1. Following a unilateral adrenalectomy, Nurse Betty would assess for hyperkalemia indicated by which of the following signs?
- A. Muscle weakness
- B. Tremors
- C. Diaphoresis
- D. Constipation
Correct answer: A
Rationale: Muscle weakness is a classic manifestation of hyperkalemia, an elevated level of potassium in the blood. After an adrenalectomy, where one adrenal gland is removed, there may be a risk of hyperkalemia due to altered hormone regulation. Tremors (Choice B) are not typically associated with hyperkalemia but may be seen in conditions like hypocalcemia. Diaphoresis (Choice C) and constipation (Choice D) are not specific indicators of hyperkalemia. Diaphoresis is excessive sweating and constipation is a common gastrointestinal issue, neither directly related to potassium imbalances.
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. What is the lowest fasting plasma glucose level suggestive of a diagnosis of DM?
- A. 90 mg/dl.
- B. 115 mg/dl.
- C. 126 mg/dl.
- D. 180 mg/dl.
Correct answer: C
Rationale: A fasting plasma glucose level of 126 mg/dl or higher is diagnostic of diabetes mellitus. Choice A (90 mg/dl) is too low to indicate diabetes. Choice B (115 mg/dl) is also below the diagnostic threshold for diabetes. Choice D (180 mg/dl) is above the diagnostic threshold and would indicate uncontrolled diabetes, not the lowest level suggestive of a diagnosis.
4. A client with type 1 diabetes mellitus presents to the emergency department with symptoms of diabetic ketoacidosis (DKA). Which of the following interventions should the nurse implement first?
- A. Administer intravenous insulin
- B. Start an intravenous line and infuse normal saline
- C. Monitor serum potassium levels
- D. Obtain an arterial blood gas (ABG)
Correct answer: B
Rationale: The correct first intervention in a client with DKA is to start an intravenous line and infuse normal saline for fluid resuscitation. This is crucial to restore intravascular volume and improve perfusion, addressing the dehydration and electrolyte imbalances commonly seen in DKA. Administering insulin without addressing the dehydration can lead to further complications. Monitoring serum potassium levels is important but is not the first priority; potassium levels can shift with fluid resuscitation. Obtaining an arterial blood gas (ABG) is helpful in assessing acid-base status but is not the initial priority compared to fluid resuscitation.
5. Which of the following ethical principles is demonstrated when a nurse provides truthful information to a patient?
- A. Veracity
- B. Autonomy
- C. Justice
- D. Nonmaleficence
Correct answer: A
Rationale: The correct answer is A: Veracity. Veracity is the ethical principle of truthfulness and honesty in communication. When a nurse provides truthful information to a patient, it demonstrates integrity and respect for the patient's right to know the truth about their health condition and treatment. Choice B, Autonomy, refers to respecting the patient's right to make their own decisions. Choice C, Justice, involves fairness and equality in healthcare decisions. Choice D, Nonmaleficence, relates to the obligation to do no harm and prevent harm to the patient.
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