BODY’S RESPONSE TO ACUTE STRESS A.K.A “Fight or Flight” No.
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Transcript of BODY’S RESPONSE TO ACUTE STRESS A.K.A “Fight or Flight” No.
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BODY’S RESPONSE TO ACUTE STRESS
A.K.A “Fight or Flight”
http://www.youtube.com/watch?v=FBnBTkcr6No
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activates adrenal medulla
Adrenal medulla releases adrenaline and noradrenaline into the bloodstream
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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
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Noradrenalin (norepinephrine)
Effects:
Increased blood pressureDilation of pupilsNarrowing of blood vessels in non-essential organs.
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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)
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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.
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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
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