Chapter 52: Assessment and Management of Patients with Endocrine Disorders

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A nursing student asks the instructor why the pituitary gland is called the "master gland." What is the best response by the instructor?

"It regulates the function of other endocrine glands." The pituitary gland is called the master gland because it regulates the function of other endocrine glands. The term is somewhat misleading, however, because the hypothalamus influences the pituitary gland. The gland has many other hormones that it secretes.

Accidental removal of one or both parathyroid glands can occur during a thyroidectomy. Which of the following is used to treat tetany?

Calcium gluconate Sometimes in thyroid surgery, the parathyroid glands are removed, producing a disturbance in calcium metabolism. Tetany is usually treated with IV calcium gluconate. Synthroid is used in the treatment of hypothyroidism. PTU and Tapazole are used in the treatment of hyperthyroidism.

A client has been diagnosed with myxedema from long-standing hypothyroidism. What clinical manifestations of this disorder does the nurse recognize are progressing to myxedema coma? Select all that apply.

-Hypotension -Hypothermia -Hypoventilation Severe hypothyroidism is called myxedema. Advanced, untreated myxedema can progress to myxedemic coma. Signs of this life-threatening event are hypothermia, hypotension, and hypoventilation. Hypertension and hyperventilation indicate increased metabolic responses, which are the opposite of what the client would be experiencing.

The nurse is aware that the best time of day for the total large corticosteroid dose is between:

7:00 AM and 8:00 AM The best time of day for the total large corticosteroid dose is in the early morning, between 7:00 AM and 8:00 AM, when the adrenal gland is most active. Therefore, dosage at this time of day will result in the maximum suppression of the adrenal gland.

A nurse should perform which intervention for a client with Cushing's syndrome?

Explain that the client's physical changes are a result of excessive corticosteroids. The nurse should explain to the client that Cushing's syndrome causes physical changes related to excessive corticosteroids. Clients with hyperthyroidism, not Cushing's syndrome, are heat intolerant and must have cool clothing and bedding. Clients with Cushing's syndrome should have a high-protein, not low-protein, diet. Clients with Addison's disease must increase sodium intake and fluid intake in times of stress of prevent hypotension.

After teaching a class about the endocrine system, the instructor determines that the students need additional instruction when they identify which of the following as an endocrine gland?

Kidneys Although the kidneys secrete renin and erythropoietin, they are typically not considered endocrine glands. Therefore, if the students identify the kidneys as endocrine glands, they need further instruction. The pancreas, adrenal glands, and testes are considered endocrine glands.

Hypocalcemia is associated with which of the following manifestations?

Muscle twitching Clinical manifestations of hypocalcemia include paresthesias and fasciculations (muscle twitching). Bowel hypomotility, fatigue, and polyuria are not associated with hypocalcemia.

Which of the following assessments should the nurse perform to determine the development of peptic ulcers when caring for a patient with Cushing's syndrome?

Observe the color of stool. The nurse should observe the color of each stool and test the stool for occult blood. Bowel patterns, vital signs, and urine output do not help in determining the development of peptic ulcers.

While assessing a client with hypoparathyroidism, the nurse taps the client's facial nerve and observes twitching of the mouth and tightening of the jaw. The nurse would document this finding as which of the following?

Positive Chvostek's sign If a nurse taps the client's facial nerve (which lies under the tissue in front of the ear), the client's mouth twitches and the jaw tightens. The response is identified as a positive Chvostek's sign. The nurse may elicit a positive Trousseau's sign by placing a BP cuff on the upper arm, inflating it between the systolic and diastolic BP, and waiting 3 minutes. The nurse observes the client for spasm of the hand (carpopedal spasm), which is evidenced by the hand flexing inward. Deep tendon reflexes include the biceps, brachioradialis, triceps, and patellar reflexes. Tetany would be manifested by reports of numbness and tingling in the fingers or toes or around the lips, voluntary movement that may be followed by an involuntary, jerking spasm, and muscle cramping. Tonic (continuous contraction) flexion of an arm or a finger may occur.

A postpartum client is receiving intravenous oxytocin (Pitocin) after birth. Why will this medication be used for this client after the birth of her child?

Stimulates the contraction of the uterus and prevents bleeding Oxytocin (Pitocin) is released from the pituitary gland and stimulates contraction of pregnant uterus and release of breast milk after childbirth. It will not prevent lactation or help treat nausea. It will increase lactation.

The nurse is attempting to locate the thyroid gland in order to determine if it is enlarged. Where should the nurse palpate the thyroid gland?

The lower neck anterior to the trachea The thyroid gland is located in the lower neck anterior to the trachea. It is divided into two lateral lobes joined by a band of tissue called the isthmus.

Which diagnostic test is done to determine suspected pituitary tumor?

The nurse should observe the color of each stool and test the stool for occult blood. Bowel patterns, vital signs, and urine output do not help in determining the development of peptic ulcers. A computed tomography or magnetic resonance imaging scan is done to detect a suspected pituitary tumor. Radiographs of the chest or abdomen are taken to detect tumors. Radiographs also determine the size of the organ and their location. Measuring blood hormone levels helps determine the functioning of endocrine glands. A radioimmunoassay determines the concentration of a substance in plasma.

For a client with hyperthyroidism, treatment is most likely to include:

a thyroid hormone antagonist. Thyroid hormone antagonists, which block thyroid hormone synthesis, combat increased production of thyroid hormone. Treatment of hyperthyroidism also may include radioiodine therapy, which destroys some thyroid gland cells, and surgery to remove part of the thyroid gland; both treatments decrease thyroid hormone production. Thyroid extract, synthetic thyroid hormone, and emollient lotions are used to treat hypothyroidism.

For the first 72 hours after thyroidectomy surgery, a nurse should assess a client for Chvostek's sign and Trousseau's sign because they indicate:

hypocalcemia A client who has undergone a thyroidectomy is at risk for developing hypocalcemia from inadvertent removal of or damage to the parathyroid gland. The client with hypocalcemia will exhibit a positive Chvostek's sign (facial muscle contraction when the facial nerve in front of the ear is tapped) and a positive Trousseau's sign (carpal spasm when a blood pressure cuff is inflated for a few minutes). These signs aren't present with hypercalcemia, hypokalemia, or hyperkalemia.


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