Question 1
Which of the following organs of the endocrine system secretes thyroxine and calcitonin?
◦ pituitary gland
◦ pancreas
◦ hypothalamus
◦ adrenal glands
◦ thyroid gland
Question 2
Which of the following statements is true?
◦ Although hormones are carried to all parts of the body, they produce effects only in cells with proper receptors.
◦ Hormones are limited to steroid compounds.
◦ Hormones are secreted by specialized exocrine glands.
◦ Most hormones are controlled by positive feedback mechanisms involving the pituitary gland.
◦ Hormones are supplied to the body in the diet.