ATI LPN
Medical Surgical Endocrine ATI Questions
Question 1 of 5
VIP:
Correct Answer: B
Rationale: VIP (vasoactive intestinal peptide) relaxes smooth muscle and increases intestinal water/electrolyte secretion.
Question 2 of 5
If an endocrine gland begins to hypersecrete, it usually causes which result?
Correct Answer: A
Rationale: Hyperplasia (increased cellular growth) is the usual cause of hypersecretion of an endocrine gland.
Question 3 of 5
Which actual structural unit secretes insulin?
Correct Answer: C
Rationale: The actual structural unit that secretes insulin is the beta cell. Beta cells are found on the islets of Langerhans, which are in the pancreas.
Question 4 of 5
The posterior pituitary gland is sometimes called the neurohypophysis and it secretes which neurohormones?
Correct Answer: D
Rationale: The posterior pituitary (neurohypophysis) releases ADH and oxytocin, which are produced by the hypothalamus and stored in the posterior pituitary.
Question 5 of 5
___ - which tells the kidneys how much water to conserve - is called a neurohormone because it is made by neurons in the hypothalamus and stored in the posterior pituitary gland before it is released.
Correct Answer: B
Rationale: ADH, a neurohormone, is synthesized in the hypothalamus and released from the posterior pituitary to regulate water reabsorption in the kidneys.