neurological

focus revision

cranial nerves

* 12 pairs
* sensory, motor (some mixed with both)

olfactory nerve

smell

optic nerve

to see

oculomotor nerve

move and blink eyes

trochlear nerve

move eyes up and down

trigeminal nerve

sensations in face and cheeks, taste and jaw movement

abducens nerve

ability to move eyes

facial nerve

facial expressions and sense of taste

audiotory/ vestibular nerve

sense of hearing and balance

glossopharyngeal nerve

ability to taste and swallow

vagua nerve

digestion and heart rate

accessory nerve

shoulder and neck movement

hypoglossal nerve

ability to move tongue

AFFERENT

SENSORY

EFFERENT

MOTOR

CNS

* brain and spinal cord

PNS

* nerves and ganglia
* cranial nerves
* spinal nerves
* sensory nerve fibres
* motor nerve fibres
* SNS AND ANS

somatic system

* under unconscious control
* sensory fibres receive impulses from receptors
* motor fibres transmit impulses to CNS to skeletal muscles

autonomic system

* involuntary movement
* sympathetic - fight or flight
* parasympathetic - rest and relax