AOS 1 Revision

Question 1

Divisions Of Nervous System

Answer 1

CNS - CENTRAL NERVOUS SYSTEM
>BRAIN
>SPINAL CORD
PNS - PERIPHERAL NERVOUS SYSTEM
>SNS SOMATIC NERVOUS SYSTEM
>ANS AUTONOMIC NERVOUS SYSTEM

Question 2

Peripheral VS Central NS

Answer 2

Peripheral
>Connects CNS to environment
>Carries sensory info to brain and motor info from brain

Central
>Brain processes info and directs with action to body
>Spinal relays info between CNS & PNS initiates spinal reflex

Question 3

Autonomic nervous system divided into…

Answer 3

Sympathetic and Parasympathetic

Question 4

Sympathetic NS

Answer 4

> Improves chances of survival
Induces fight/flight/freeze
stress=Sym Dominant

Question 5

features of Sympathetic NS

Answer 5

> Bladder relaxes
pupils dialate
Kidney releases adrenaline

Question 6

Parasympathetic NS

Answer 6

> Restores bodily functions reduces stress

Question 7

Features of Parasympathetic NS

Answer 7

pupils constrict
bladder constricts
heart rate slows