Nokea
The nurse is caring for a client having chronic pain from arthritis. What type of hormone is released in response to the stress of this pain that suppresses inflammation and helps the body withstand stress?
- A. Testosterone
- B. Mineralocorticoids
- C. Glucocorticoids
- D. Estrogen
Correct Answer: C
Rationale: Glucocorticoids, such as cortisol, are released by the adrenal cortex to suppress inflammation and help the body cope with stress, such as chronic pain from arthritis. Testosterone, mineralocorticoids, and estrogen have different functions.
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A client is experiencing gastrointestinal (GI) bleeding from ruptured esophageal varices. What medication does the nurse prepare for administration that mimics the actions of somatostatin that will affect the GI bleeding?
- A. Omeprazole
- B. Epinephrine
- C. Vasopressin
- D. Octreotide
Correct Answer: D
Rationale: Octreotide mimics the actions of somatostatin and is used to reduce gastrointestinal bleeding, particularly from esophageal varices, requiring fewer blood transfusions. Omeprazole reduces stomach acid, epinephrine affects cardiovascular function, and vasopressin is less preferred due to side effects.
The nurse is reviewing the plan of care for a client with a disorder of the thyroid gland. Which diagnostic test will the nurse expect the physician to order to evaluate thyroid hormones?
- A. Magnetic resonance imaging
- B. Radioimmunoassay
- C. Computed tomography (CT)
- D. Cortisol level determination
Correct Answer: B
Rationale: A radioimmunoassay evaluates thyroid hormone function, specifically T3 and T4 levels. A CT or magnetic resonance imaging scan is used to detect a suspected tumor and to determine organ size and placement. Cortisol levels are used to assess adrenal function, not thyroid function.
A group of students is reviewing material about endocrine system function. The students demonstrate understanding of the information when they identify which of the following as secreted by the adrenal medulla?
- A. Glucocorticoids
- B. Mineralocorticoids
- C. Glucagon
- D. Epinephrine
Correct Answer: D
Rationale: The adrenal medulla secretes epinephrine and norepinephrine. Glucocorticoids and mineralocorticoids are produced by the adrenal cortex, while glucagon is secreted by the pancreas.
A client is experiencing an increase in blood glucose levels. The nurse understands that which of the following hormones would be important in lowering the client's blood glucose level?
- A. Insulin
- B. Parathormone
- C. Melatonin
- D. Calcitonin
Correct Answer: A
Rationale: Insulin, released by the beta islet cells of the pancreas, lowers blood glucose levels when they rise above normal. Parathormone regulates calcium levels, melatonin influences sleep cycles and mood, and calcitonin inhibits calcium release from bones.
The nurse is caring for a client with an immunodeficiency disorder. Lab results show that the client does not have an adequate number of T lymphocytes needed to improve immune function. Which gland should be investigated for dysfunction?
- A. Thymus
- B. Parathyroid
- C. Thyroid
- D. Adrenal
Correct Answer: A
Rationale: The thymus gland secretes thymosin and thymopoietin, which are essential for T lymphocyte development, critical for immune function. The parathyroid, thyroid, and adrenal glands do not directly influence T lymphocyte production.