Nervous System III Flashcards
composed of nerves in the face, upper limb, lower limb and ganglia
Peripheral Nervous System
2 subdivisions of PNS
Spinal Nerves (always mixed) Cranial Nerves ( either sensor, motor, or mixed)
T or F
there are 12 pairs of Spinal Nerves
False
cranial nerves yun,
T or F
there are 31 pairs of Cranial Nerves
False
spinal nerves yun
T or F
there are 12 pairs of Cranial Nerves
True
T or F
there are 31 pairs of Spinal Nerves
True
2 Function of PNS
Afferent or Sensory Division
Efferent or Motor Divison
Sensory impulses going all the way to CNS
Afferent or Sensory Division
CNS going all the way to effector organs, muscles or glands
Efferent or Motor Division
Enumerate the following:
12 Cranial Nerves
Olfactory Optic Oculomotor Trochlear Trigeminal Abducens Facial Auditory Glossopharyngeal Vagus Accessory Hypoglossal
Nervous System Subdivision that has
2 Motor Neuron
Autonomic Nervous System
retay informations to internal organs like smooth muscles, heart and glands
Nervous System Subdivision that has
1 Motor Neuron
Somatic Nervous System
voluntary, retay informations to skin and skeletal muscles
2 divisions of Autonomic Nervous System?
Sympathetic (fight or flight)
Parasympathetic ( rest or digest)
Biggest Cranial Nerve
Cranial Nerve V
Trigeminal
controls organs in time of stress
Sympathetic
THORACOLUMBAR
T1-T2 and L1-L3
