Which of the following is known as the '$4S$' gland?

The class of adrenal gland hormones which are related to alertness,piloerection,and increased glucose levels in the blood is:

Adrenal virilism results due to

Which hormones are known as the emergency hormones?

Excess secretion of mineralocorticoids,which is independent of the $Renin-Angiotensin-Aldosterone$ system,results in:

$A$ person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neuro-hormonal control system?