2026 BIOS 252 Week 3 Central Nervous System A&P 2 Complete Edapt Questions Human Anatomy and Physiology Study Guide Practice Exam Review Learning Resource

BIOS 252: Week 3 - Central
Nervous System

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Terms in this set (48)

,All of these They arise directly from the brain.
statements about
spinal nerves are
true except which
one?​


- There are 31 pairs.
- They arise
directly from the
brain.
- They may contain
nerve fibers of
both the somatic
and autonomic
nervous systems.

,- They are all
All somatic They are monosynaptic only.
mixed.
reflexes share
these The majority of the somatic reflexes are
characteristics polysynaptic, which means the sensory
except what? neuron synapses with an interneuron
first, and then that neuron synapses with
the motor neuron.
- They are
monosynaptic
only.
- They are
involuntary.
- They are quick.
- They require
stimulation.

, The bundle of Cauda equina
nerves inferior to
the conus The cauda equina is a group of nerves
medullaris of the and nerve roots stemming from the
spinal cord is distal end of the spinal cord, typically
called what? levels L1-L5, and contains axons of
nerves that give both motor and sensory
Lumbar innervation to the pelvic organs and
enlargement lower limbs.
Posterior median
sulcus
Cauda equina
Cervical
enlargement