- Ch. 8: Nervous System
peripheral nervous [system] (PNS) correct answers What system consists of the
cranial, spinal, and autonomic nerves.
Afferent correct answers What neurons, also known as sensory neurons, carry
impulses to the central nervous system from the peripheral receptors.
central nervous system (CNS) to the peripheral effectors correct answers Efferent
neurons conduct impulses away from the
autonomic nervous system correct answers The smooth muscle, cardiac muscle, and
glandular epithelial tissue are controlled by the
neuron correct answers The basic unit of the nervous system is the
motor or efferent neurons correct answers The neurons that carry the impulse to the
skeletal muscle to cause movement are called the
lateral ventricles and the roofs of the third and fourth ventricles. correct answers The
choroid plexus is located in the
viral meningitis correct answers Mumps, polio, and possibly herpes simplex cause
meningitis correct answers Acute inflammation of the meninges (pia mater and
arachnoid) is
encephalitis correct answers Mild headaches and fever to more severe cerebral
dysfunction, seizures, and a coma may result from the viral infection of the brain called
Haemophilus influenzae, pneumococci and meningo-
cocci correct answers The most common form of meningitis is caused by
MRI correct answers What is the procedure of choice to demonstrate a crescentic or
lentiform extraaxial fluid collection
adjacent to the skull border.
diastatic correct answers What fracture is a linear fracture that intersects a skull suture
and courses along it.
, depressed fracture correct answers A stellate fracture has multiple fracture lines
radiating outward from a central point, is usually found in the skull, and is also known as
a
epidural; subdural; subarachnoid; intracerebral correct answers The four different types
of cerebral hematomas are
a biconvex peripheral high-density lesion on a CT scan of the brain. correct answers An
epidural hematoma appears as
subdural correct answers What hematoma demonstrates an increased density that has
a crescentic shape adjacent to the inner table of the skull.
cerebral contusions correct answers The frontal and anterior temporal regions are the
most common sites of injury, demonstrating edema and hemorrhage, in cases of
subarachnoid hemorrhage correct answers Bleeding, which appears as increased
density within the basilar cisterns, cerebral fissures, and sulci, indicates a(n)
fracture correct answers The face consists of thin, poorly supported bones that easily
________ in response to a traumatic force.
blowout; CT correct answers The _______fracture can be hammock-like or the
trapdoor variety, which is best demonstrated on
______.
zygomatic arch fractures correct answers The submentovertex projection best
demonstrates
tripod correct answers What fracture results in a free-floating zygoma, causing
disfiguration if not treated.
mandible correct answers The angle of the _______ is the most common fracture site
in the jaw.
nasal bones correct answers The most common facial fracture is a fracture of the
cerebrovascular disease correct answers Processes causing ______ _______ include
abnormal vessel walls, occlusions, blood vessel
ruptures, and decreased blood flow.
rule out; exclude correct answers Imaging evaluation in acute strokes is performed to
______ or _______ other disorders that
simulate the same clinical findings.