Bio 202 Quiz 1 Study Guide

Front 1

A hormone that regulates gamete production A) acth B) TSH

Back 1

B) FSH

Front 2

Steroids or amino based molecules released into blood which arouse tissue A) Hormones B) GH

Back 2

A) hormones

Front 3

Produces testosterone A) gonadocorticoid B) Testis

Back 3

B) testis

Front 4

Its primary function is to control the rate of body metabolism and cellular oxidation A) TH B) TSH

Back 4

A) TH

Front 5

synthesizes insulin A) Beta Cells B) insulin

Back 5

B) Beta Cells

Front 6

consists of two functional areas: the adrenohypophysis and neurohypophysis A) andrenal gland B) pituitary gland

Back 6

B) pituitary gland

Front 7

controlled by the sympathetic nervous system and release epinephrine and norepinephrine A) adrenal cortex B) adrenal medulla

Back 7

B) adrenal medulla

Front 8

Regulates the endocrine activity of the cortex portion of the adrenal gland A) CRH B)ACTH

Back 8

ACTH

Front 9

one of the hormones that stimulate breast developement and promotes and maintains lactation after birth A) oxtocin B) prolactin

Back 9

B) prolactin

Front 10

A hormone produced in the adrenal cortex that enables the body to resist long term stress A) mineralcorticoid B) glucocorticoid

Back 10

B) glucocorticoid

Front 11

Gluconeogenisis occurs in the liver due to the action of A) aldesterone B) cortisol

Back 11

B) cortisol

Front 12

Virtually all of the protein or amino based hormones exert their effects through intracellular A) second messengers B) ions

Back 12

A) second messengers

Front 13

Oxytocin: A) release is an example of positive feedback control mechanism B) Exerts most of its effects during menstruation

Back 13

A) release is an example of a posite feed back mechanism

Front 14

Sometimes prolonged excessive exposure to high hormone concentrations causes a phenomenom known as: A) Up regulation B) down regulation

Back 14

b) down regulation

Front 15

The neurohypophysis or posterior lobe of the pituitary gland is not a true endocrine gland A) Embriologically is was an endocrine tissue b/c it is actually part of the neural system B) it is the only a hormone storage area that receives hormones from the hypothalamus for release

Back 15

B) it is only storage and receives hormones from the hypothalamus for release

Front 16

Steroid hormones exert their action by A) finding an appropriate cell receptor and initiating cAMP activity B) entering the nucleus of the cell and iniating or altering the expression of a gene

Back 16

B) entering the nucleus of the cell and iniating or altering the expression of a gene

Front 17

The second messenger mechanism of hormone action operates by A) synthesizing more of the hormone than is actually needed B) binding to specific receptors and employing the services of G proteins and cAmp

Back 17

B) binding to specific receptors and employing the services of G proteins and cAmp

Front 18

Thyroid hormone (a small iodinated amine) enters the target cells in a manner similar to A) insulin b/c insulin is a small peptide B) steroid hormones because both diffus easily into the target cell

Back 18

B) steroid hormones because both diffus easily into the target cell

Front 19

The major target of growth hormone A) the adrenal gland B) bones and skeletal muscles

Back 19

B) bones and skeletal muscles

Front 20

which organ is responsible for synthesizing ANP A) heart B) kidney

Back 20

A) heart

Front 21

Mineralcorticoid is to aldesterone and glucocorticoid is to a) cortisol b) epinephrine

Back 21

A) cortisol

Front 22

The most important regulator of electrolyte concentrations in extracellular fluids is A) cortisol B) adesterone

Back 22

B) aldesterone

Front 23

which of the following does not act as a second messenger in second messenger systems of hormone action A) cyclic AMP b) calmodulin

Back 23

B) Calmodulin

Front 24

select the correct statement about hormonal structure and function A) An amino acid derivative can be a hormone B) an example of a local hormone is testosterone

Back 24

A) An amino acid derivative can be a hormone

Front 25

in circumstances where the body requires prolonged or increased level of a hormone, the DNA of target cells will specify the synthesis of more receptors on the surface of the cells of target organ. known as A) dn regulation B) up regulation

Back 25

B) up regulation

Front 26

which of the following organs is affected by the thyroid hormone A) liver B) spleen

Back 26

A) liver

Front 27

thyroxine is a peptide hormone, but its mechanism is different from other peptide hormones. Which of the following statements is true concerning theis difference? A) it does not require a second messenger to effect a response B) it is very specific in the cell type it targets

Back 27

A) it does not require a second messenger to effect a response

Front 28

Catecholamines and or peptide hormones bind to receptors on the surface of cells that comprise target organs. This binding causes A) An immediate change in genetic activity B) Adrenylate cyclase to generate cyclic AMP from ATP

Back 28

B) Adrenylate cyclase to generate cyclic AMP from ATP

Front 29

Glucocorticoids enable the body to deal with stress. They accomplish this by A) increasing blood glucose, fatty acid, and amino acid level and enhancing blood pressure B)stimulating the pancreas to release insulin

Back 29

A) increasing blood glucose, fatty acid, and amino acid level and enhancing blood pressure

Front 30

What ion is sometimes used as a second messenger of amino acid base hormones A) calcium B) sodium

Back 30

A) calcium