41) Erythropoietin is produced in the
A) kidney.
B) heart.
C) bone marrow.
D) thymus.
42) Which of the following is
not
part of the posterior lobe of the pituitary?
A) infundibular stalk
B) median eminence
C) pars intermedia
D) pars nervosa
43) The hypophyseal pouch is involved in the formation of the
A) thyroid gland.
B) thymus.
C) pineal gland.
D) pituitary gland.
44) Vitamin D is synthesized and secreted by
A) bone cells.
B) the brain.
C) the epithelium of the small intestine.
D) the epidermis.
45) Melanocyte-stimulating hormone (MSH) is produced by
A) corticotropic cells.
B) gonadotropic cells.
C) somatotropic cells.
D) thyrotropic cells.
46) Prolactinoma is the most common tumor of the
A) pineal gland.
B) thyroid.
C) adrenal medulla.
D) pituitary gland.
47) The target of follicle-stimulating hormone (FSH) is
A) the gonads.
B) the parathyroid.
C) the thymus.
D) the thyroid.
48) Which of the following statements concerning the supraoptic nucleus is
false?
A) It is part of the hypothalamus.
B) It gets its name because it is superior to the optic chiasma.
C) It is a brain nucleus rather than a cell nucleus.
D) It produces the hormone oxytocin.
49) Which of the following hormones is
not
produced by the placenta?
A) estrogens
B) testosterone
C) progesterone
D) hCG
50) Of the following endocrine organs, which does not migrate away from its original site of formation in the embryo?
A) thymus
B) parathyroid glands
C) thyroid gland
D) posterior lobe of the pituitary gland