Which hormone is correctly matched with its source and primary satiety/hunger role?

Ghrelin — stomach; increases appetite (hunger), especially during fasting.

Insulin — stomach endocrine cells; primary long-term adiposity signal equivalent to leptin.

Leptin — pancreas; secreted after meals to stimulate short-term satiety signals from the intestine.

CCK — adipose tissue; increases long-term appetite and promotes weight gain.