ATI LPN
Medical Surgical Endocrine Quiz Questions
Question 1 of 5
In the process of negative feedback,
Correct Answer: B
Rationale: Thyroid hormone feeds back to inhibit TSH release from the anterior pituitary.
Question 2 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 3 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 4 of 5
Dwarfism may be the result of a deficiency of
Correct Answer: D
Rationale: Deficiencies in GHRH, GH, or somatomedins can cause dwarfism.
Question 5 of 5
Which of the following is NOT PRESENT when the thyroid gland is inactive?
Correct Answer: A
Rationale: An inactive thyroid has large follicles with abundant colloid and flat follicular cells due to low activity. Reabsorption lacunae (signs of hormone release) are absent. TSH would be elevated to stimulate the gland.