C1

Question 1

what’s the chemical classifications of hormones

Answer 1

peptides
adrenocortico steroids
catecholamines
Iodothyronins

Question 2

Give examples of trasport proteins for lipophilic hormones

Answer 2

cortisol
thyroxin
sex hormone, binding globuin

Question 3

Name the nuclei of hypothalamic_hypopheseal tract?

and where are their axons?

Answer 3

supraoptic n
paraventirecular(magnocellular n

median eminence

Question 4

Mention the hormones of hypothalamus

Answer 4

TRH
CRH
GNRH, LHRH
GHRH
GIH
PIF

Question 5

Hormone that have a stimulating effect on prolactin?

Answer 5

TRH

Question 6

One hormone of hypothalamus synthesized in large prohormon?

Answer 6

LHRH

Question 7

mention the secretion sources and functions of Somatostatin.

Answer 7

hypo., GUT, pancreas

Inhibition of
GH
decrese TSH
inhibit hormones of GIT and pancreas (gastrin, secretin, insulin, glucagon)

Question 8

which hormone is synthesized as POMC?

Answer 8

CRH

Question 9

Blood. s and drinage of ant. pituitary

Answer 9

sup., inf. hypopheseal As
portal system
drain to sinusoidal cappillaries, cavernous sinus.

Question 10

Actions of ACTH

Answer 10

Adrenal growth and secretion of cortisol.
stimulate lipolysis.
cause skin pigmentary effect.

Question 11

what is the circadian rhythm for CRH, ACTH?

Answer 11

1_Hypoglycemia, stress, pain, anxiety.

2_morning hours

Question 12

where is the GH receptors locate?

Answer 12

cell mem. 
liver
adipocytes
lymphocytes 
fibroblasts

Question 13

Mention the Actions of GH?

Answer 13

1_growth of skeletal and soft tissue of body.
2_increase insulin secretion.
3_promote Hepatic and muscular glycogensis.
4_has lipolytic effect.
5_increase somatomedin sy. and release.

Question 14

mention the two tests for GH, and the usage of each one.

Answer 14

1_provocation test
GH hyposecretion

2_supressive test
GH hyper.

Question 15

Mention the factors stimulate GH.

Answer 15

GHRH
decrease: Glucose, free F. As
increase AAs
Excersise
starvation
deep sleep
trauma,stress,excitment.

Question 16

Mention factors inhibit GH secretion.

Answer 16

GHIH
GH
somatomedins
increase Glucose, free F. As
aging 
obesity 
Hypothyrodism

Question 17

How is the Regulation of prolactin

Answer 17

PIH, Dopamine (inhibition)

PRH, TRH, Pregnancy,sex hormones,stress(stimulate)

Question 18

what happens in the increase of prolactin section?

Answer 18

hypogonadism by inhibiting GNRH