The hormone primarily responsible for setting the basal metabolic rate and for promoting the maturation of the brain is:

  1. cortisol

  2. ACTH

  3. TSH

  4. thyroxine

  5. none of the preceding.

Answer:

d

Many nonsteroid hormones act upon their target cells by causing:

  1. cyclic AMP to become ATP

  2. the inactivation of adenylate cyclase

  3. cyclic AMP to become protein kineses

  4. the activation of adenylate cyclase

  5. both A and D apply.

Answer:

d

Which of the following would result from a thyroidectomy (removal of the thyroid gland)?

  1. decreased TSH secretion

  2. increased T3 and thyroxine secretion

  3. increased calcitonin secretion

  4. increased TSH secretion

  5. both B and C apply.

Answer:

d

Steroid hormones are secreted by:

  1. the adrenal cortex

  2. the gonads

  3. the thyroid

  4. both A and B

  5. eboth B and C.

Answer:

d

The secretion of which hormone would be increased in a person with endemic goiter?

  1. TSH.

  2. thyroxine

  3. triiodothyronine;

  4. all of the preceding apply

Answer:

a

Which of the following hormone pairs is not produced by the same endocrine gland?

  1. LH/FSH

  2. ACTH/ADH

  3. prolactin/GH

  4. CRH/PIH.

  5. all of the preceding are correctly paired.

Answer:

b

Oxytocin:

  1. allows milk secretion or milk let-down

  2. is stored in the pars nervosa (posterior pituitary)

  3. is produced by cells in the diencephalon (hypothalamus)

  4. exerts important effects during childbirth

  5. all of the above.

Answer:

e

A tumor of the beta cells of the pancreatic islets would probably affect the body's ability to:

  1. lower blood glucose level

  2. lower blood calcium level

  3. raise blood calcium level

  4. raise blood glucose level

  5. raise blood sodium level.

Answer:

a

Removal of the adenohypophysis would affect all except:

  1. adrenal cortex

  2. adrenal medulla

  3. ovaries

  4. mammary glands

  5. thyroid gland.

Answer:

b

Which hormone stimulated the production of erythrocytes in myeloid tissues?

  1. GH

  2. progesterone

  3. ICSH

  4. ADH

  5. none of the preceding.

Answer:

e