Which of the following secretes the 'fight or flight' hormone?

$A$ person entering an empty room suddenly finds a snake right in front on the right side. Which one of the following is likely to happen in his neuroendocrine system?

What is incorrect about glucocorticoids?

$A$ tumor in the $Zona$ $glomerulosa$ of the adrenal gland leads to hypersecretion of its hormones. Which of the following would you expect to see in a patient with such a tumor?

$A$ steroid hormone which regulates glucose metabolism is

Select the correct option on the basis of the following sentences regarding a gland's functions:
$(I)$ Hormones increase alertness.
$(II)$ Hormones increase the heart beat.
$(III)$ Stimulate the breakdown of glycogen.
$(IV)$ Stimulate the breakdown of lipids and proteins.