20.   Which of the following isnot true of the pineal gland?
a.
It is located in the brain.
b.
It produces melatonin.
c.
It helps regulate the body’s “biological clockâ€.
d.
All of the above are true of the pineal gland.
   21.   Which of thefollowing is not true of the pituitary gland?
a.
It is composed of two endocrine glands.
b.
Its posterior portion is called the adenohypophysis.
c.
It is located in the sella turcica of the sphenoid bone.
d.
All of the above are true of the pituitary gland.
   22.   Which of thefollowing is not considered a tropic hormone?
a.
thyroid-stimulating hormone
b.
adrenocorticotropic hormone
c.
antidiuretic hormone
d.
follicle-stimulating hormone
   23.   Which of thefollowing is not true of the adrenal medulla?
a.
It is the inner portion of the adrenal gland.
b.
It secretes epinephrine.
c.
It is the target organ for ACTH.
d.
All of the above are true of the adrenal medulla.