1 of 25
What are hormones?
|Electrolytes that send messages to other parts of the body|
|Ions that change the permeability of target cells|
|Chemicals produced in one cell that send messages to a target cell|
|Chemicals that speed up the metabolism of the cell that makes them|
|Electrical current which is released upon the generation of an action potential|
2 of 25
Which of the following describes the function of the endocrine system?
|The fastest and most important system in the body for controlling the activity of cells|
|The second major controlling system of the body|
|The slower but reliable system responsible for the sending sensory information to the central nervous system|
|The system responsible for movement of the body|
|The system responsible for distributing blood gasses to the tissue cells|
3 of 25
What is a tropic hormone?
|A hormone that is produced in nonendocrine organs|
|A hormone that is released only through ducts|
|A hormone that is produced in the gonads|
|A hormone that counteracts the activities of the nervous system|
|A hormone that stimulates hormone production in another target cell|
4 of 25
Which of the following is a tropic hormone?
|Thyroid stimulating hormone|
5 of 25
What gland is located in the sphenoid bone?
6 of 25
What is the function of oxytocin?
|Stimulates uterine contractions during childbirth|
|Stimulates milk production in the mammary glands|
|Stimulates aldosterone production in the adrenal glands|
|Increases the storage of glucose in the liver|
|Converts glycogen to glucose when the blood sugar level is low|
7 of 25
What hormone conserves water by making the kidney reabsorb more water from the urine?
8 of 25
What is the target organ of prolactin?
9 of 25
What organ acts as both an endocrine and exocrine gland?
10 of 25
What hormone might be lacking if a teenage girl is slow in developing secondary sex characteristics?
11 of 25
What is the target organ for growth hormone?
|The adrenal gland|
12 of 25
What endocrine tissue is controlled by the sympathetic nervous system?
|Pancreatic alpha cells|
|Pancreatic beta cells|
13 of 25
What endocrine organ is bilobed and located in the throat area?
14 of 25
What two hormones are antagonists of each other?
|Estrogen and progesterone|
|Testosterone and estrogen|
|Calcitonin and parathyroid hormone|
|Aldosterone and cortisone|
|Androgen and aldosterone|
15 of 25
What hormone is responsible for controlling the rate of body metabolism and affects most cells of the body?
16 of 25
Which hormone is released when the blood glucose level is high?
17 of 25
What is the function of parathyroid hormone?
|Regulates metabolism of body cells|
|Conserves water at the kidney tubules|
|Regulates blood calcium levels|
|Regulates blood pressure|
|Regulates the menstrual cycle|
18 of 25
What hormones are produced in the ovaries?
|Estrogen and prolactin|
|Estrogen and progesterone|
|Progesterone and gonadotropins|
|Testosterone and progesterone|
|Androgens and estrogen|
19 of 25
The function of parafollicular cells in the thyroid gland is to produce which of the following?
|T3 and T4|
20 of 25
Which of the following describes tetany?
|The fight or flight response stimulated by norepinephrine|
|The inability of the pancreas to produce insulin|
|Brittle bones due to a lack of calcium storage|
|Prolonged muscle spasms due to a lack of calcium|
|Abnormally slow metabolism of the body|
21 of 25
What endocrine organ is located directly superior to the kidney?
22 of 25
What is the primary function of estrogen?
|To cause cyclic changes in the uterine lining and development of secondary sex characteristics|
|To regulate blood pressure|
|To maintain the metabolic rate of body cells|
|To start uterine contractions for childbirth|
|To stimulate muscle and bone growth|
23 of 25
What hormones are produced in the adrenal medulla?
|Epinephrine and norepinephrine|
|Epinephrine and aldosterone|
|Cortisol and cortisone|
|Gonadotropins and mineralocorticoids|
|Aldosterone and norepinephrine|
24 of 25
What is the primary target organ of glucagon?
|All body cells|
|The kidney tubules|
25 of 25
What endocrine organ is considered the
“master endocrine gland”?
|Posterior pituitary gland|
|Anterior pituitary gland|