The hindbrain of the embryo develops into the pons, the medulla oblongata, part of the spinal cord, and what other structure?
cerebellum
At what vertebral level does the spinal cord terminate (inferiorly) in the average adult?
between L1 and L2
Which of the cranial nerves listed below is a special somatic sensory nerve?
A) facial
B) vestibulocochlear
C) accessory
D) trochlear
Vestibulocochlear
Which of the following is true regarding the peripheral nervous system?
A) It only involves efferent, motor neurons.
B) It only involves somatic neurons.
C) It includes the sympathetic and parasympathetic divisions of the autonomic nervous system.
D) It includes neurons carrying the sense of touch but not special senses, such as taste or vision.
C) It includes the sympathetic and parasympathetic divisions of the autonomic nervous system
The major nerve plexus to the upper limbs is the…
brachial plexus
The visual association area of the cerebral cortex is located in the
occipital lobe
The cauda equina…
a series of nerve roots in the lumbar and sacral region
The only cranial nerve that travels into the abdomen is the…
vagus
All of the following are mixed cranial nerves, which contain both motor and sensory fibers, except the
A) facial.
B) optic.
C) trigeminal.
D) vagus.
Optic
A shallow groove on the surface of the cerebral cortex is called a…
sulcus
The only one of the meninges that follows the brain surface into a cerebral sulcus is the
pia mater
Posterior gray horns of the spinal cord consist of
cell bodies of interneurons
Which cranial nerve pair is characterized by somatic sensory fibers crossing at the ventral midline of the brain?
II
Which of these regions functions to direct nearly all sensory input, except olfactory impulses, to the cerebral cortex?
Thalamus
Posterior gray horns of the spinal cord consist of
cell bodies of interneurons
The fluid-filled ventricles within the cerebrum are similar in function to the ________ of the spinal cord
Central canal
Cell bodies of the sensory neurons of the spinal nerves are located in
the dorsal root ganglia external to the spinal cord
A person who cannot blink or smile could have damage to which cranial nerve?
VII
The telencephalon develops into what adult brain structure?
Cerebrum
The cell bodies located in the most anterior region of the spinal cord's gray matter belong to this group
Somatic sensory
Sleep-wake cycles are controlled by the pineal gland and the
Hypothalamus
The cell bodies located in the most anterior region of the spinal cord's gray matter belong to this group
somatic motor
How many cranial nerves are part of the sympathetic nervous system?
4
In the spinal cord, the cell bodies of most interneurons lie in
the dorsal half of the gray matter
Cerebrospinal fluid is produced by choroid plexuses in all the following locations except the
Central canal