Week 10 and 11 Endocrine

Question 1

Endocrine system: slow or fast

Answer 1

slow messenger vs nervous system (hormones vs neurons) several hours

Question 2

Endocrine glands produces

Answer 2

Hormone secretion to blood

Question 3

hormone function

Answer 3

chemical comp and volume
metabolism/energy production
adjust to emergency and environmental demands (climate)
growth and development/ reproduction

Question 4

3 kinds of endocrine hormones

Answer 4

Amines
proteins and peptides
steroids

negative feedback control how much secreted (needed)

Question 5

Hypothalymus function

Answer 5

Portion of brain that links nervous system to endocrine system via pituitaryHyp

Question 6

Hypothal location

Answer 6

below thalamus just above brain stem
forms ventral part of diancephalan

Question 7

Hypothal fx

Answer 7

responsible for some function of autonomic nervous system

body temp, hunger, thirst, fatigue

Question 8

Pituitary structure

Answer 8

anterior and posterior
size of pea
protrusion off hypothalamus in sphenoid body cavity
middle of cranial fossa at base of brain in middle

Question 9

Pituitary fx

Answer 9

master gland
homeostasis, influences other endocrine glands

Question 10

Neurosecretory from hypothalamus secrete

Answer 10

oxytocin and ADH

Question 11

Posterior pituitary stores

Answer 11

oxytocin and ADH

Question 12

Oxytocin fx

Answer 12

Uterine muscles
mammary glands

Question 13

ADH fx

Answer 13

kidney tubules
stimulates water reabsorption

Question 14

Oxytocin creates which kind of feedback loop

Answer 14

positive

Question 15

intermediate pituitary gland

Answer 15

melanocyte stimulating hormone to produce mealanin

Question 16

posterior pituitary

Answer 16

oxytocin and ADH

Question 17

anterior pituitary

Answer 17

ACTH, TSH, LH, FSH, Prolactin, GH

Question 18

Pineal gland secretes

Answer 18

Secretes melatonin

Question 19

Pineal fx

Answer 19

Responds to light
photoperiodic or seasonal functions
secretes melatonin to regulate sleep/wake
in center of brain

Question 20

Pineal path

Answer 20

info (light) from eye, goes through superior cervical ganglion then up to pineal gland

Question 21

Hypothalamus secretes

Answer 21

TRH

Question 22

TRH increases production of

Answer 22

TSH

Question 23

Adenohypophysis produces (ant. pituitary)

Answer 23

TSH

Question 24

TSH increases production of

Answer 24

T3 T4

Question 25

Thyroid secretes

Answer 25

T3 T4

Question 26

Thyroid fx

Answer 26

regulates blood calcium level - releases calcitonin in response to high calcium levels release T3 T4

Question 27

Parathyroid fx

Answer 27

if calcium falls below level, parathyroid gland secrete parathyroid hormone to bring blood calcium back up

Question 28

Thymus fx

Answer 28

immunity area for T cell maturation Lymphocytes come into thymus to be secreted as T cells or thymosin to stimulate development of T cells

Question 29

Adrenal location

Answer 29

superior aspect of kidneys inner medulla and outer cortex

Question 30

Adrenal medulla secretes

Answer 30

epinephrine and norepinephrine (stress hormones)

Question 31

Adrenal cortex secretes

Answer 31

Mineralcortecoids Glucocortocoids Adrogens

Question 32

Blood pressure falls kidneys secrete

Answer 32

Renin

Question 33

Renin causes

Answer 33

rise in BP

Question 34

If blood sugar is high the pancreas

Answer 34

secretes insulin to stimulate glycogen formation in liver to turn glucose into glycogen

Question 35

If blood sugar is low the pancreas

Answer 35

secrets glucagon to take glycogen out of stored state in Liver

Question 36

Testes stimulated by LH and FSH secrete

Answer 36

testosterone which creates sperm cells

Question 37

Ovaries stimulated by LH and FSH secrete

Answer 37

estrogen to encourage development of eggs