BODY’S RESPONSE TO ACUTE STRESS

A.K.A “Fight or Flight”

http://www.youtube.com/watch?v=FBnBTkcr6No

activates adrenal medulla

Adrenal medulla releases adrenaline and noradrenaline into the bloodstream

Adrenalin (epinephrine)Dilating of bronchioles

Heart rate and blood pressure increase

Specific types of muscle cells contractbelow the surface of the skin, causingbeads of perspiration and raised hairsat the surface

Noradrenalin (norepinephrine)

Effects:

Increased blood pressureDilation of pupilsNarrowing of blood vessels in non-essential organs.

Examples of Triggering Situations• -Burglar at your door• -Confronted by a bear• -Saving someone’s life

• Many people come to enjoy the surge of energy that comes with a rush of adrenaline and actively search out activities that will stimulate this stress response

• -Participating in extreme sports (surfing, snow boarding)• -Skydiving• -Video games (first person shooter)

EpiPen• Used for the emergency treatment of severe

allergic reactions

• Ephedrine is a protein extracted from a Chinese plant that acts similar to epinephrine and acts on the same receptors.

• Ephedra equisetina is a desert shrub from which ephedrine is extracted. 

• It contains ephedrine and pseudoephedrine. 

Effects

After using an EpiPen, it begins to work immediately to reverse the effects of anaphylactic shock.

Relieves airway obstruction

Increased force of cardiac contractions and heart rate

Brings down hives and swelling