What do corticosteroids do to the brain?

When the body becomes stressed, the pituitary gland at the base of the brain releases ACTH (adrenocorticotropic hormone) which stimulates the adrenal glands to produce cortisol. The extra cortisol allows the body to cope with stressful situations, such as infection, trauma, surgery, or emotional problems.

Explanation:

when in a crucial situation, after calling 911, the correct posture for delivering effective compression is the proper hand placement.

first, place two fingers at the sternum, then put the heel of your other hand next to the fingers and place hand on top of the other. lock your elbows by using your body’s weight and compress the victim’s chest with a depth of 2 inches.

moreover, do 15 compression and 2 breaths, this process must be done four times until there is a pulse or a arrive.