CHAP 14 Flashcards
Are sensory neurons multipolar or unipolar?
Unipolar
Where are sensory neurons’ cell bodies located? Motor?
Posterior root ganglion; in lateral horn of spinal cord
Are motor neurons multipolar or unipolar?
Multipolar
Which division of the nervous system is responsible for pupil dilation?
SYMPATHETIC
Which division of the nervous system is responsible for increasing activity of the digestive system?
PARASYMPATHETIC
What does the cervical enlargement contain?
CERVICAL PLEXUS (C1-C4)
What does the lumbar enlargement contain?
CAUDA EQUINA & lumbar plexus (L1-L4)
What does a posterior root contain?
SENSORY AXON AND ROOT GANGLION; UNIPOLAR NERVE
What does an anterior root contain?
MOTOR AXON; CELL BODIES ARE IN SPINAL CORD; MULTIPOLAR NERVE
The cell body of a sensory neuron is found in
POSTERIOR ROOT GANGLION.
The cell body of a motor neuron is found in
ANTERIOR HORN OF GRAY MATTER.
Where does the spinal cord “end”?
SUPERIOR BORDER OF THE SMALL OF THE BACK