PSB 3002 CH 2 & 3
The ________ is the middle layer of the brain meninges.
arachnoid membrane
The motor neurons of the sympathetic nervous system project from the ________ to the ________ .
gray matter of the thoracic and lumbar spinal cord; sympathetic ganglia
The motor association cortex is located
just rostral to primary motor cortex.
Which terms below do NOT belong together?
lumbar; "horse's tail"
The ________ is the most caudal portion of the brain stem.
medulla oblongata
The white matter in the spinal cord is located ________, whereas that of the brain is located _______.
outside the gray matter; inside the gray matter
An anesthetic drug injected adjacent to the dura sac surrounding axons of the cauda equina would be expected to deaden pain sensation in the
pelvic region.
Which of the following belong together?
periaqueductal gray; pain reactivity
The ________ is formed by the cranial nerves and spinal nerves, plus the peripheral ganglia.
peripheral nervous system
The metencephalon is comprised of the
pons and cerebellum.
Another term for "caudal" is
posterior.
Damage to the visual association cortex would be expected to produce
problems in recognizing an object by sight.
The structures that comprise the basal ganglia include the
putamen globus pallidus. caudate nucleus.
________ fibers conduct sensory information toward the brain.
Afferent
Human brains are about three times larger than chimpanzee brains when corrected for
Body size
Damage to the hypothalamus would be expected to produce
Changes in eating.
Which term below refers to structures that are found on opposite sides of the body?
Contralateral
Which of the following is NOT correct regarding CSF?
More than 12 hours is required to replace half of the CSF volume in a human brain
Which of the following terms means "above" when referring to the brain?
Superior
Which of the following supports the notion that brain development can be modified by experiences?
The development of the neural circuits for depth perception require input from both eyes during a critical period.
Which of the following is true of human cerebral cortex?
The human cortex is about 3 mm in thickness.
The brain floats within ________ fluid, which is contained within the ________ .
cerebrospinal; subarachnoid space
In the peripheral nervous system, the ________ and the ________ fuse together to form a single sheath that protects the spinal and cranial nerves and the autonomic ganglia.
dura mater; pia mater
Early anatomists named observable brain features
for the similarity of the structure to everyday objects.
Which of the following do NOT belong together?
fornix; "breast-shaped"
Which of the following terms do NOT belong together?
superior colliculi; taste reactivity
A key function of apoptosis is
to terminate the formation of new neurons within the developing brain.
The rostral end of the neural tube at 28 days will eventually form the
ventricles.
CSF is produced within the ________ and reabsorbed into the blood by the ________.
ventricles; arachnoid granulations
The ________ senses send information to primary sensory cortex on the contralateral side of the brain.
vision, audition, somatosensory