Glands that secrete hormones directly into the circulatory system are called
(a) exocrine (b) endocrine (c) sebaceous (d) secretory
Hormones have an effect on (a) all cells of the body (b) growing cells
(c) stem cells (d) target cells.
Protein (non-steroid) Hormones
Second Messenger Effect
Steroid hormones (a) are protein (b) stimulate production of a second messenger
(c) have a gene level effect (d) all of these.
Protein hormones (a) are not protein (b) stimulate production of a second messenger
(c) have a gene level effect (d) none of these.
The adrenal gland produces (a) Thyroxin (b) Melatonin
(c) masculizing hormone (d) all of these.
Cortisol (a) is antagonistic to epinephrine (b) is synergistic to ADH
(c) suppresses inflammation (d) none of these.
Epinephrine is also know as (a) adrenalin (b) growth hormone
(c) a trophic hormone (d) masculizing hormone.
• Insulin – Necessary for uptake of glucose
by tissue cells throughout the body.
• Glucogon – Stimulates glycogenolysis
which is the conversion of starch
(glycogen) to blood sugar
Insulin is (a) necessary for cells to absorb glucose (b) produced in the pancreas
(c) produced in the Isles of Langerhans (d) all of these.
Glucose is produced by (a) glycogenolysis (b) glycogenesis (b) the thyroid gland
(d) the mitochondria.
Endocrine function of Ovaries
Estrogen – Stimulates the growth of
the inner uterine lining (endometrium)
during proliferative phase. Stimulates
development of secondary sexual
characteristics in the female.
Progesterone – Stimulates thickening of
the uterine lining during the secretory
The ovaries have an endocrine function in producing (a) FSH (b) LH (c) estrogen
(d) masculizing hormone.
Testosterone – Stimulates development
of secondary sexual characteristics in
The testes have an endocrine function in producing (a) FSH (b) LH (c) Testosterone
(d) masculizing hormone.
Thymosin – Stimlates
The maturation of T-cell
The Thymus is part of the (a) endocrine system (b) the immune system
(c) both of these (d) neither of these.
Thymosin stimulates (a) the growth of the Thyroid (b) metabolism
(c) the growth of the Thymus gland (d) the maturation of T-cell lymphocytes.
Human Chorionic Gonadotrophin (HCG) – “Pregnancy Hormone” signals brain
and pituitary gland to interrupt the menstrual cycle.
The Placenta has an endocrine function in producing
(a) human chorionic gonadotrophin (b) testosterone
(c) placentone (d) all of these.
The sino-atrial node (SA node) is also called the (a) pacemaker (b) ectopic pacemaker
(c) extrinsic pacemaker (d) none of these.
Contraction of ventricular myocardium is controlled by (a) the SA node (b) the AV node
(c) the AV bundle (d) all of these.