HUBS 191 endocrine

Question 1

what is homeostasis?

Answer 1

the presence of a stable internal environment

Question 2

Endocrine communication

Answer 2

is through the blood and the chemical signal is hormones

Question 3

synaptic communication

Answer 3

is across synapses and the chemical signals are neurotransmitters

Question 4

water soluble hormone receptors

Answer 4

can not cross the membrane so they need receptors on the membrane

Question 5

lipid soluble hormone receptors

Answer 5

can cross the membrane so they receptors are found in the cytoplasm

Question 6

the pancreas

Answer 6

beta cells -insulin

alpha cells - secretes glucagon

Question 7

gluconeogenesis

Answer 7

takes fatty acids & amino acids and turns it into new glucose

Question 8

glycogen

Answer 8

is the form glucose takes when it is stored

Question 9

glycogenolysis

Answer 9

is the process of turning the stored glucose ‘glycogen’ back into glucose

Question 10

why would insulin be released?

Answer 10

if the blood glucose levels were to high.

more glucose would be turned into glycogen for storage

Question 11

why would glucagon be released?

Answer 11

if the glucose blood levels were too low.

glycogen would be turned into glucose through glycogenolysis and more new glucose would be made by gluconeogenesis

Question 12

posterior pituitary

Answer 12

uses neural communication to release hormones into the blood - ADH & oxytocin’s

Question 13

Anterior pituitary

Answer 13

uses hormones in the blood to release specific hormones- releasing hormones & GH