ATI LPN
Medical Surgical Endocrine Quiz Questions
Question 1 of 5
The most common second messenger used by hydrophilic hormones is
Correct Answer: B
Rationale: Cyclic AMP is the primary second messenger for hydrophilic hormones (e.g., glucagon).
Question 2 of 5
The secretes insulin and glucagon.
Correct Answer: C
Rationale: The pancreas (islets of Langerhans) secretes insulin and glucagon.
Question 3 of 5
A portal system exists between the
Correct Answer: B
Rationale: The hypothalamo-hypophyseal portal system links the hypothalamus to the anterior pituitary.
Question 4 of 5
inhibiting secretion represents a long-loop negative feedback mechanism.
Correct Answer: A
Rationale: Cortisol inhibits hypothalamic CRH in a long-loop feedback.
Question 5 of 5
Dwarfism may be the result of a deficiency of
Correct Answer: D
Rationale: Deficiencies in GHRH, GH, or somatomedins can cause dwarfism.