HESI RN
HESI Leadership and Management
1. The nurse is caring for a client with diabetes insipidus. Which of the following laboratory findings should the nurse monitor?
- A. Serum sodium
- B. Serum potassium
- C. Serum calcium
- D. Serum magnesium
Correct answer: A
Rationale: In diabetes insipidus, there is excessive excretion of water leading to dehydration. Monitoring serum sodium levels is crucial because these clients often experience hypernatremia (elevated serum sodium levels) due to the loss of relatively more water than sodium, resulting in a sodium concentration imbalance. While monitoring serum potassium, calcium, and magnesium levels is also important in various conditions, they are not the primary focus in diabetes insipidus.
2. In a male client with a history of hypertension diagnosed with primary hyperaldosteronism, the hypertension is caused by excessive hormone secretion from which of the following glands?
- A. Adrenal cortex
- B. Pancreas
- C. Adrenal medulla
- D. Parathyroid
Correct answer: A
Rationale: Primary hyperaldosteronism is characterized by excessive secretion of aldosterone from the adrenal cortex. Aldosterone, a hormone produced by the adrenal cortex, plays a crucial role in regulating blood pressure by promoting sodium and water retention in the kidneys. The adrenal medulla secretes catecholamines like epinephrine and norepinephrine, which are involved in the 'fight or flight' response, not in regulating blood pressure. The pancreas secretes insulin and glucagon, hormones involved in blood sugar regulation, not blood pressure. The parathyroid glands regulate calcium levels in the blood, not blood pressure.
3. Which of the following statements should be included in the teaching to a client about a do-not-resuscitate order (DNR)?
- A. When a heart ceases to beat, the client is pronounced clinically dead.
- B. Physicians are required to write DNR orders.
- C. A DNR order can be written after discussion with the client and family.
- D. A court decision is needed for a DNR.
Correct answer: C
Rationale: The correct statement to include in teaching a client about a do-not-resuscitate (DNR) order is that it can be written after discussion with the client and family. This involves ensuring that the client and their family understand the implications and make an informed decision. Choice A is incorrect as pronouncing clinical death is not directly related to discussing a DNR order. Choice B is incorrect as while physicians typically write DNR orders, it is not a strict requirement. Choice D is incorrect as a court decision is not typically required for a DNR order; it is a decision made by the client with input from healthcare providers and family members.
4. A client with syndrome of inappropriate antidiuretic hormone (SIADH) is at risk for which of the following complications?
- A. Hypernatremia
- B. Hyponatremia
- C. Hyperkalemia
- D. Hypercalcemia
Correct answer: B
Rationale: The correct answer is B: Hyponatremia. Syndrome of inappropriate antidiuretic hormone (SIADH) is characterized by the excessive release of antidiuretic hormone (ADH), leading to water retention in the body. This causes dilutional hyponatremia, where the sodium levels in the blood become abnormally low. Option A, Hypernatremia, is incorrect because SIADH does not cause elevated sodium levels. Option C, Hyperkalemia, is incorrect as SIADH does not directly affect potassium levels. Option D, Hypercalcemia, is also incorrect as SIADH does not impact calcium levels.
5. During the physical examination, Nurse Noah expects to assess which sign in a female client with a serum calcium level of 7.2 mg/dl?
- A. Trousseau's sign
- B. Homans' sign
- C. Hegar's sign
- D. Goodell's sign
Correct answer: A
Rationale: Trousseau's sign is a clinical indicator of hypocalcemia, characterized by carpal spasm when a blood pressure cuff is inflated above systolic pressure and maintained for a few minutes. This occurs due to increased neuromuscular irritability associated with low serum calcium levels. Homans' sign is used to assess for deep vein thrombosis and involves calf pain upon dorsiflexion of the foot. Hegar's sign is a softening of the lower uterine segment seen in pregnancy, while Goodell's sign is softening of the cervix also seen in pregnancy. Therefore, in this scenario, the correct assessment related to hypocalcemia would be Trousseau's sign.
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