IDENTIFY THE STRUCTURE AND PRIMARY ACTION

Question 1

TRH (Thyrotropin releasing Hormone)

Answer 1

Peptide of 3 amino acid
Stimulate secretion of TSH by thyrotropes

Question 2

Gonadotropin Releasing Hormone (GnRH)

Answer 2

Single chain of 10 amino acids
Stimulates secretion of SH and LH by Gonadotropes

Question 3

Corticotropin Releasing Hormone

Answer 3

Single chain of 41 Amino acids
Stimulates secretion of ACTH by corticotropes

Question 4

Growth Hormone Releasing Hormone (GHRH)

Answer 4

Single chain of 44 amino acids
Stinulates secretion of growth hormone by somatotropes

Question 5

Growth hormone inhibitory hormone (GHRH)

Answer 5

Single chain of 14 amino acids
Inhibits secretion of growth hormone by somatotropes

Question 6

Prolactin inhibiting hormone

Answer 6

Dopamine (a catecholamine)
Inhibits synthesis and secretion if prolactin by lactotropes