Endocrine System

Question 1

what is a similarity between the endocrine and nervous system

Answer 1

both are internal communication systems

Question 2

what are functions are the controlled by ES

Answer 2

conception
gestion
parturition
metabolism
digestion
immune response
growth and development
puberty and aging
emotion

Question 3

what do hormones do

Answer 3

help body adapt to constant changing internal and external environments

Question 4

what are the 2 kinds of hormones

Answer 4

steroids and proteins

Question 5

what are steroid hormones

Answer 5

made of lipids, secreted by adrenal cortex and gonads

Question 6

what are protein hormones

Answer 6

secreted by pituitary gland, thyroid, pancreas, and adrenal medulla

Question 7

what is the hypothalamus

Answer 7

main conductor of the system, link between ES and NS

Question 8

what does the hypothalamus do

Answer 8

maintain control of organs,
control and regulate putuitary
control sexual behavior
influence emotional behavior

Question 9

where is the pituitary gland located

Answer 9

base of brain

Question 10

what do the pituitary gland do

Answer 10

controls many endorine glands

Question 11

what does the anterior lobe secrete

Answer 11

GH
LH
FSH
TSH
ACTH

Question 12

what does the posterior lobe secrete

Answer 12

ADH and ocxycotin

Question 13

what is a common dysfunction of the the posterior lobe

Answer 13

cushings

Question 14

what are syptoms of cushings

Answer 14

curly coat
repeated lamenitis
excessive sweating
lethargy
increased urine
enlarged abdomine

Question 15

where are adrenal glands located

Answer 15

1 on each side

Question 16

what does the outer cortex do

Answer 16

secretes cortiocosteroids, growth hormones, androgens

Question 17

what does the inner medulla secretes

Answer 17

catechloamines - epinephrine and neoeprinehprine

Question 18

what is the main function of thyroid gland

Answer 18

convert iodine from blood to thyroxine

Question 19

what are sympotoms of hyopthyroid

Answer 19

decreased metabolism
lethargy
hair loss
weight gain

Question 20

what are symptoms of defiencies in thyroxine

Answer 20

dull hair coat
sensitive to cold
lethargy
failure to produce milk

Question 21

where is the pineal gland

Answer 21

above and behind the thalamus

Question 22

what does the pineal gland secrete

Answer 22

melatonin

Question 23

what is renin

Answer 23

produced by kidneys
starts cycle for water absoroption for restoring bllod volune

Question 24

how does regular exercise affect the body

Answer 24

stimulates production of hormones
: more circulating hormones in the body affects stamina, agility, courage, ability to carry rider

Question 25

how does over training affect the body

Answer 25

leaves horse anxious and depressed, lower energy and immunity

Question 26

what is TSH

Answer 26

produced by anterior lobe of pituitary and stimulates thyriod to produce thyroid hormone

Question 27

what is FSH

Answer 27

produced by anterior lobe of pituitary stimulates follicule in mare ovary to develop and enlarges for heat cyle

Question 28

where is gasterine released

Answer 28

stomach

Question 29

what is LH

Answer 29

stimulates ovulation, stimulates celles of testes to produce testosterone

Question 30

what is oxytocin

Answer 30

produced by anterior lobe and indices uterine contraction during sperm transportation, burth and to induce milk let down for foals

Question 31

differences of ES and NS

Answer 31

ES: slow communication chemical messengers (hormones) effects are long lasting regulated by hypothalamus NS: fast communication electrical and chemical impulses from nueron to neuron affects are short term regulated by CNS