Horomones

Question 1

Follicle Stimulating Hormone (FSH)

Answer 1

Acts on Sertoli cells to stimulate spermatogenesis in seminiferous tubules

Stimulates follicles in the ovaries to develop ova

Question 2

Leutinizing Hormone (LH)

Answer 2

Stimulates interstitial cells to produce testosterone

Triggers ovulation and stimulates estrogen and progesterone secretion from the corpus luteum

Question 3

Gonadotropic Releasing Hormone (GnRH)

Answer 3

Monitors reproductive endocrine system. Stimulates synthesis and secretion of FSH and LH

Question 4

Estrogen

Answer 4

Development of breasts and other secondary sex characteristics; thickening and vascularisation of endomertrium

Question 5

Progesterone

Answer 5

Quiets smooth muscle contractions of uterus, maintaining endometrium

Question 6

Testosterone

Answer 6

Stimulates primary and secondary sex characteristics: growth of testes, penis, muscles, growth of facial hair indirectly stimulates spermatogenesis

Question 7

Thyroxine Location

Answer 7

Thyroid - All body cells

Question 8

Thyroxine Effect

Answer 8

Increases the rate of metabolic activity, producing ATP and heat

Question 9

Calcitonin Location

Answer 9

Thyroid - Bones, teeth, and gut

Question 10

Calitonin Effect

Answer 10

Decreases blood calcium by depositing Ca24 in bones and teeth, and decreasing absorption from the gut

Question 11

Thyroid stimulating hormone (TSH) Location

Answer 11

Anterior pituitary- Thyroid gland

Question 12

Thyroid stimulating hormone (TSH) Effect

Answer 12

Stimulates the thyroid to release thyroxine

Question 13

Adrenocorticotropic Hormone (ACTH) Location

Answer 13

Anterior pituitary- adrenal cortex

Question 14

Adrenocorticotropic Hormone (ACTH) Effect

Answer 14

Stimulates the adrenal cortex to release aldosterone, and androgens in response to stress

Question 15

Growth Hormone (hGH) Location

Answer 15

Anterior pituitary- Bones and muscles

Question 16

Growth Hormone (hGH) Effect

Answer 16

Causes mitosis to stimulate growth

Question 17

Norepinephrine Location

Answer 17

Adrenal Medulla- Blood vessels, heart, lungs, air passages, iris, liver

Question 18

Norepinephrine Effect

Answer 18

Shunts blood to core and large muscles, increases breathing and heart rates, dilates pupil, hydrolyze liver glycogen

Question 19

Parathyroid Hormone (PTH) Location

Answer 19

Parathyroid glands- Bones and guts

Question 20

Parathyroid Hormone (PTH) Effects

Answer 20

Increases blood calcium by dissolving bones and increasing absorption from the gut

Question 21

Cortisol Location

Answer 21

Adrenal Cortex- All tissues

Question 22

Cortisol Effect

Answer 22

Converts protein into glucose

Question 23

Aldosterone Location

Answer 23

Adrenal Cortex- Kidney tubules

Question 24

Aldosterone Effect

Answer 24

Increases blood volume by increasing reabsorption Na+ and water from urine

Question 25

Testosterone (both sexes) Location

Answer 25

Adrenal Cortex- Many tissues

Question 26

Testosterone (both sexes) Effects

Answer 26

Increased muscle, bone, hair growth

Question 27

ADH Location

Answer 27

Hypothalamus (secreted by posterior pituitary)- Kidney tubules

Question 28

ADH Effects

Answer 28

Increases reabsorption of water from urine to bloodstream in response to dehydration

Question 29

Oxytocin Location

Answer 29

Hypothalamus (secreted by posterior pituitary)- Uterine muscle and mammary glands

Question 30

Oxytocin Effects

Answer 30

Stimulates contractions of the uterus for birth; stimulates the release of milk during breast feeding

Question 31

Insulin (from beta cells of islets of Langerhans) Location

Answer 31

Pancreas- All cells, liver, and muscles

Question 32

Insulin (from beta cells of islets of Langerhans) Effects

Answer 32

Decreases blood glucose by increasing cell permeability to glucose and conversion of blood glucose and conversation of blood glucose into liver and muscle glycogen

Question 33

Glucagon (from alpha cells of islets of Langer-hans) Location

Answer 33

Pancreas- All cells, liver, and muscles

Question 34

Glucagon (from alpha cells of islets of Langer-hans) Effects

Answer 34

Increases blood glucose by decreasing cell permaeability to glucose and conversion of stored glycogen into glucose