Question

question 4 (1 point)
what happens when the plasma concentration of calcium (ca²⁺) increases?
pth (parathyroid hormoone) gets released from parafollicular c cells of the thyroid gland.
calcitonin gets released from parafollicular c cells of the thyroid gland.
pth (parathyroid hormone) gets released from the parathyroid gland.
calcitonin gets released from the parathyroid gland.
question 5 (1 point)
thyroglobulin is contained in the thyroid follicle and becomes part of the thyroid hormone (t3, t4) molecule.
true
false

Explanation:

For Question 4, when plasma calcium concentration increases, the body's homeostatic response is the release of calcitonin from parafollicular C - cells of the thyroid gland to decrease calcium levels. PTH is released when calcium levels are low. For Question 5, thyroglobulin in the thyroid follicle is indeed a precursor and becomes part of T3 and T4 thyroid hormone molecules.

Answer:

Question 4: Calcitonin gets released from parafollicular c cells of the thyroid gland.
Question 5: True