hw help please.... :)

Which of the following pairs are incorrectly matched?
a) neural stimuli--oxytocin
b) humoral stimuli--insulin
c) hormonal stimuli--GH
d) hormonal stimuli--ADH
e) neural stimuli--epinephrine
f) humoral stimuli--calcitonin

(and)

Glucocorticoids  are secreted maximally in the hours before dawn and declines throughout the day. Under sustained stress glucocorticoid secretion may be increased for longer periods of time. Target cells may most likely respond by:
a) up-regulation
b) down-regulation
c) sideways regulation
d) there would not be any effect on target cells

 

thank you