ATI LPN
Timby's Introductory Medical-Surgical Nursing Thirteenth, North American Edition
Chapter 49 : Introduction to the Endocrine System Questions
Question 1 of 5
The nurse should inform the client that oxytocin's function in the body is to do what?
Correct Answer: D
Rationale: Oxytocin, secreted by the posterior pituitary, stimulates uterine contractions during labor and breast milk release postpartum. The other options describe functions of thyroid-stimulating hormone, parathyroid hormone, and somatotropin, respectively.
Question 2 of 5
A client has polycystic ovarian syndrome and has increased levels of testosterone. What symptom(s) does the nurse anticipate observing in this client? Select all that apply.
Correct Answer: A,C
Rationale: Testosterone promotes male secondary sex characteristics, such as facial hair and a deep voice, in clients with polycystic ovarian syndrome. High voice, breast development, and decreased hair growth are not associated with elevated testosterone levels.
Question 3 of 5
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?
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.
Question 4 of 5
An instructor is preparing a teaching plan for a class on the various pituitary hormones. Which hormone is released by the posterior pituitary gland?
Correct Answer: C
Rationale: The posterior pituitary gland releases oxytocin and antidiuretic hormone. Somatotropin, prolactin, and adrenocorticotropic hormone are secreted by the anterior pituitary gland.
Question 5 of 5
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?
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.