THE NERVOUS SYSTEM Flashcards

1
Q

WHAT PROCESSES DOES THE ANS REGULATE

A

RESPIRATION, HEART RATE, BLOOD PRESSURE, DIGESTION

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2
Q

WHAT ARE THE TWO DIVISIONS OF THE NS

A

SYMPATHETIC AND PARASYMPATHETIC NS’

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3
Q

WHAT IS THE SNS RESPONSIBLE FOR

A

STIMULATING THE BODIES ‘FIGHT OR FLIGHT’ RESPONSE

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4
Q

WHAT IS THE PNS RESPONSIBLE FOR

A

STIMULATING THE BODIES ‘REST AND DIGEST’ RESPONSE

ESTABLISHES HOMEOSTATSIS ONCE STRESSOR HAS GONE

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5
Q

PHYSIOLOGICAL RESPONSES TO ACTIVATION OF SNS

A
PUPILS DIALATE
INCREASED HEART RATE
INCREASED BLOOD PRESSURE
DECREASED SALIVA PRODUCTION
BRONCHIAL TUBES DIALTE
ACTIVATES SWEAT PRODUCTION
CONSTRICTS BLADDER AND SPHINCTER
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6
Q

PHYSIOLOGICAL RESPONSES TO ACTIVATION OF PNS

A
PUPILS CONSTRICT 
DECREASED HEART RATE
DECREASED BLOOD PRESSURE
INCREASED SALIVA PRODUCTION
BRONCHIAL TUBES CONSTRICT 
RELAXES BLADDER AND SPHINCTER
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7
Q

STRESS HORMONES

A

SIGNAL FIGHT OR FLIGHT

ADRENALINE
CORTISOL

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8
Q

WHAT DOES ADRENALINE DO

A

INCREASES HEART RATE
INCREASES BLOOD PRESSURE
BOOST ENERGY SUPPLY

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9
Q

WHAT DOES CORTISOL DO

A

CURBS FUNCTIONS THAT WOULD BE HARMFUL DURING A SNS RESPONSE

EG.
ALTERS IMMUNE RESPONSE
SUPRESSES DIGESTIVE AND REPRODUCTIVE SYSTEM
COMMUNICATES TO BRAIN TO ACTIVATE FEAR

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