Corticoids are the hormones, which are secreted by

Norepinephrine

$(i)$ is released by sympathetic fibers

$(ii)$ is released by parasympathetic fibers

$(iii)$ increases the heart rate

$(iv)$ decreases blood pressure.

Which of the above statements are correct ?

Inflammatory responses can be controlled by a certain steroid. Name the steroid, its source and also its other important functions. 

Which of the following is not under direct control of pituitary gland with respect to the regulation of its secretory function

If $‘X’$ is a hormone which controls the carbohydrate metabolism in the body and $‘Y’$ is a hormone which controls  the secretion of $‘X’$, then $'X’$ and $‘Y’$ are