Endocine System

Question 1

Negative feedback mechanism

Answer 1

Reduces/removes a stimulus

Question 2

Positive feedback mechanism

Answer 2

Enhances a stimulus

Question 3

Protein hormones

Answer 3

Chains of amino acids

Question 4

Steroid hormones

Answer 4

Lipids (estrogen, testosterone)

Question 5

Biogenic amines

Answer 5

Changes the structure of an amino acid (thyroid, dopamine)

Question 6

Control center for endocrine system

Answer 6

Hypothalamus

Question 7

Hormones hypothalamus releases

Answer 7

Releasing hormones (RH)
Inhibiting hormones (IH)

Question 8

Pituitary gland hormones

Answer 8

Oxytocin (OT)
Antidiuretic hormone (ADH)

Question 9

3 parts of anterior pituitary gland

Answer 9

Pars distalis
Pars intermedia
Pars tuberalis

Question 10

Hormones anterior pituitary gland releases

Answer 10

Thyrotrophic (TSH)
Mammotrophic (PRL)
Gonadotrophic (FSH) (LH)
Corticotrophic (ACTH)
Somatotrophic (GH)
Pars intermedia (MSH)

Question 11

Parts of posterior pituitary gland

Answer 11

Supraoptic nuclei
Paraventricular nuclei

Question 12

Hormone supraoptic nuclei relseases

Answer 12

ADH (antidiuretic hormone)

Question 13

Hormone paraventricular nuclei releases

Answer 13

OT (oxytocin)

Question 14

Hormone parafollicular cells secrete

Answer 14

Calcitonin (reduces blood calcium through urination)

Question 15

Function of parathyroid hormone

Answer 15

Raises blood calcium levels

Question 16

Three layers of adrenal cortex

Answer 16

Zona glomerulosa
Zona fasciculata
Zona reticularis

Question 17

Function of zona glomerulosa

Answer 17

Regulates electrolyte composition

Question 18

Function of zona fasciculata

Answer 18

Regulates blood glucose levels

Question 19

Function of zona reticularis

Answer 19

Protein synthesis in sex organs

Question 20

4 types of cells in pancreas

Answer 20

Alpha
Beta
Delta
F cells

Question 21

Function of Alpha cells

Answer 21

Secretes glucagon (raises blood glucose)

Question 22

Function of beta cells

Answer 22

Secretes insulin (lowers blood glucose)

Question 23

Function of delta cells

Answer 23

Inhibits secretion of insulin and glucagon

Question 24

Function of F cells

Answer 24

Slows gastric motility

Question 25

Effect of too much melatonin being produced

Answer 25

Delayed puberty

Question 26

Kidney hormones that regulate electrolytes

Answer 26

Calcitrol Erythropoietin Renin q

Question 27

3 types of cells testes produce

Answer 27

Sustentacular cells Dividing germ cells Interstitial cells

Question 28

Function of sustentacular cells

Answer 28

Assists w/ sperm development Produces inhibin

Question 29

Function of interstitial cells

Answer 29

Produces testosterone

Question 30

Hormones produced in ovaries

Answer 30

Estrogen Progesterone Inhibin

Question 31

Function of estrogen

Answer 31

Development of female reproductive organs Regulation of menstrual cycle

Question 32

Function of progesterone

Answer 32

Stimulates growth of uterine lining and mammary glands

Question 33

Function of inhibin

Answer 33

Inhibits secretion of FSH (follicle stimulating hormone