Exam 4: Endocrine System

Question 1

what are the diffrent glands of the endocrine system?

Pit, Thy, Para, Pan, Adr, Gon, Thy

Answer 1

1) pituatary
2) Thyroid
3) parathyroids
4) pancreas
5) adrenal gland
6) gonads
7) thymus

Question 2

what are the diffrent parts of the pituatary gland?

A, N

Answer 2

1) Adenohypophysis
2) Neurohypophysis

Question 3

What is the adenohypophysis of the pituatary gland?

Answer 3

anterior lobe which is densley populated

Question 4

what hormones does the adenohypophysis release?

GH, TSH, ACTH, FSH, LH, PRL, MSH

Answer 4

1) growth hormone
2) thyroid stimulating hormone
3) adrenocorticotropic hormone
3) follicle stimulating hormone
4) luteinizing hormone
5) prolactin milk production
6) melanocyte stimulating hormone

Question 5

what is the fuction of the growth hormone in the adenohypophysis of the pituatary gland?

Answer 5

regulates mitosis and growth body cells, peuberty

Question 6

what is the fuction of the thyroid stimulating hormone in the adenohypophysis of the pituatary gland?

Answer 6

controls thyroid activity

Question 7

what is the fuction of the adrenocorticotropic hormone in the adenohypophysis of the pituatary gland?

Answer 7

controls activity of teh adrenal cortex

Question 8

what is the fuction of the follicle stimualting hormone in the adenohypophysis of the pituatary gland?

Answer 8

stimulates oogensis and spermatogensis

Question 9

what is the fuction of the luteinizing hormone in the adenohypophysis of the pituatary gland?

Answer 9

stimulates release of female and male sex hormones

Question 10

what is the fuction of prolactin in the adenohypophysis of the pituatary gland?

Answer 10

milk production

Question 11

what is the neurohypophysis of the pituatary gland?

Answer 11

the posterior lobe of the pituatary

Question 12

what part of the brain stores hormones in the neurohypohysis of the pituatary gland?

Answer 12

hypothalamus

Question 13

what two hormones are stored in the neurohypophysis?

Answer 13

1) oxytocin
2) antidiuretic hormone (ADH)

Question 14

what is the fuction of the oxytocin hormone in the neurohypophysis of the pituatary galnd?

Answer 14

causes uterine contractions during labor and milk release

Question 15

what is the fuction of the ADH hormone in the neurohypophysis of the pituatary galnd?

Answer 15

inhibits urine formation

Question 16

what is the function of the thyroid?

Answer 16

in response to TSH it releases two hormones

Question 17

what are the two hormones that the thyroid release?

Answer 17

1) thyroid hormone
2) calcitonin

Question 18

what is the function of the thyroid hormone in the thyroid gland?

Answer 18

increases cellular activity in skeletal, reproductive, and nervous system

Question 19

what is the function of calcitonin in the thyroid gland?

Answer 19

released in response to increased blood Ca levels.

Question 20

how does calcitonin decrease blood Ca levels?

Answer 20

by stimulating the deposition of Ca into the bones

Question 21

what is the parathyroids and its function?

where can it be found? release?

Answer 21

4 masses on the back of the thyroid in which they release parathyroid hormone in response to low Ca levels

Question 22

how does the parathyroid increase blood Ca levels?

Answer 22

by stimulating the removal of Ca from the bones

Question 23

where are hormones from the pancreas secreted from?

Answer 23

islets of langerhans

Question 24

what is the islets of langerhans

Answer 24

groups of pancreatic cells secreting insulin and glucagon.

Question 25

what two hormoes are secreted by the islets of langerhans?

Answer 25

1) Beta cells 2) alpha cells

Question 26

what is the function of beta cells in islets of langerhans of the pancreas?

Answer 26

secrete insulin in response to high levels of gluclose

Question 27

what is the function of alpha cells in islets of langerhans of the pancreas?

Answer 27

secrete glucagon in response to low levels of gluclose

Question 28

where can the adrenal glands be found?

Answer 28

on top of the kidney's

Question 29

what are the two parts of the adrenal gland?

Answer 29

1) adrenal cortex 2) adrenal medulla

Question 30

what is the adrenal cortex?

Answer 30

secretes steroids AKA corticosteroids

Question 31

what are the three diffrent types of steriods that are secreted in the adrenal cortex?

Answer 31

1) mineralocorticoids 2) glucocorticoids 3) gondaocorticoids

Question 32

what is the function of the mineralocorticoids ?

Answer 32

regulates Na and K levels

Question 33

what is the function of the glucocorticoids ?

Answer 33

increases breakdown of fats and protiens to generate blood gluclose

Question 34

what is the function of the Gondocorticoids ?

Answer 34

sex hormones which onset peuberty

Question 35

what is the function of the adrenal medulla?

Answer 35

secretes epi and norepi

Question 36

what is the gondas galnd ?

Answer 36

produce sex hormones testes- terstoerone ovaries- estrogen and progesterone

Question 37

what is the purpose of the thymus? | secretion?

Answer 37

secretes thymosin which causes T cell of the immune system to mature.