Reading Quiz Flashcards
there are ___ enlargements of the spinal cord where nerves supplying the extremities enter and leave
2
the spinal cord..
links the peripheral nervous system to the brain
the spinal cord begins at the..
foramen magnum
the conus medullaris
is a tapered, cone like region immediately inferior to the lumbar enlargement
the spinal cord ends at the…
2nd lumbar vertebrae
the thickest of the meninges is the…
dura mater
the middle, thin, spider like meninx is the
arachnoid mater
what space, found between the vertebral wall and the dura mater, is the area for injecting anesthesia for childbirth?
epidural space
in the spinal cord, white matter is organized into…
columns and gray matter into horns
which portion of the reflex arc is most likely to be located ENTIRELY within the central nervous system?
interneuron
the sensory receptor of the stretch reflex is the
muscle spindle
the patellar or knee-jerk reflex is a classic example of
the stretch reflex
the reflex that prevents excessive tension in a muscle is the
Golgi tendon reflex
if a withdrawal reflex is initiated in one leg, the crossed extensor reflex causes
extension of the opposite leg
which of the following is correctly associated with the medulla oblongata
in contains nuclei for regulation of heart and blood vessel diameter
