-
The ___________ system consists of the cranial, spinal, and autonomic nerves.
peripheral nervous system (PNS)
-
_______ neurons, also known as sensory, carry impulses to the CNS from peripheral receptors.
Afferent
-
Efferent neurons conduct impulses away from the ______ to the ________ effectors.
-
The smooth muscle, cardiac muscle, and gladular epithelial tissue are controlled by the _________ nervous system.
autonomic
-
The basic unit of the nervous system is the ______.
neuron
-
A single threadlike extension, an ______ leads away from the nerve cell body.
axon
-
To increase the rate of transmission of nervous impulses, the axon is insulated by the?
myelin sheath
-
A chemical reaction permits the travel of impulses from the dendrite to the next axon at the ________.
synapse
-
The neurons that carry the impulse to the skeletal muscle to cause movement are called the ______ or ______ neurons.
motor, efferent
-
The thin layer of gray matter where nerve cell bodies are concentrated is the ______ of the cerebrum.
cortex
-
The two hemispheres are callled the ________.
cerebrum
-
High elevated convolutions on the surface of the of the cerebrum are the?
gyri
-
_______ matter is the inner area of the cerebrum consisting of nerve fiber tracks.
White
-
The cerebral cortex is responsible for receiving ________ information from the body and for triggering impulses to control _______ activity.
-
_______ impulses are transmitted to the posterior portion of the brain.
Visual
-
Stimulation on one side of the cerebral cortex causes contraction of muslce on the ______ side of the body.
opposite
-
The ___________ connects the two cerebral hemispheres by a mass of white matter.
corpus collosum
-
The caudate nuclei, globus pallidus and putamen make up the ___________.
basal ganglia
-
The _________ is composed of the midbrain, the pons, and the medulla.
Brainstem
-
The coordination of muscle groups by the _________ helps to maintain equilibrium and posture.
cerebellum
-
Name the three meningeal layers, from the intermost to the outer layer.
- pia mater
- archnoid
- dura mater
-
The third and fourth ventricale are connected by the ___________.
aqueduct of Sylvius
-
the superior portion of the third ventricle, which connects the lateral ventricles, is known as the __________.
foramen of Monroe
-
The choroid plexis is located in the ________ and the roofs of the third and fourth ventricles.
lateral ventricles
-
The _____________ is a tentlike covering over the cerebellum that separates it from the occipital lobe of the cerebrum.
tentorium cerebri
-
What are the two divisions of the nervous system?
- peripheral nervous system
- central nervous system
-
The third ventricle, thalamus, and hypothalamus are three structures found in the ________.
diencephalon
-
Mumps, polio, and possibly herpes simplex cause ______ meningitis.
viral
-
Acute inflammation of the meninges (pia mater and arachnoid) is called?
meningitis
-
Mild headaches and fever to more severe cerebral dysfunction, seizures, and a coma may result from the viral infection of the brain called?
encephalitis
-
In ________ empyema, the infectious process is localized outside the dural membrane.
epidural
-
What are the two suppurative processes of the CNS?
- subdural empyema
- epidural empyema
-
A stellate fracture has multiple fracture lines radiating outward from a central point, is usually found in the skull, and is known as a _______ fracture.
depressed
-
What are the four different types of cerebral hematomas?
- subdural
- epidural
- subarachnoid
- intracerebral
-
A ______ hematoma demonstrates an increased density that has a crescent shape adjacent to the inner table of the skull.
subdural
-
Thefrontal and anterior temporal regions are the most common site of injury demonstrating edema and hemorrhage in cases of _____________ contusions.
cerebral
-
The evidence of bleeding as increased density within the basiliar cisterns, cerebral fissures, and sulci indicate a _________ hemorrhage.
subarachnoid
-
The ________ fracture can be hammocklike or trap-door variety, which is best demonstrated in _____.
-
A ______ fracture results in a free-floating zygoma, causing disfiguration is not treated.
tripod
-
The ______ of the mandible is the most common fracture site of the jaw.
angle
-
The most common facial fracture is a fracture of the ?
nasal bones
-
Processes causing _______ disease include abnormal vessel walls, occlusions, blood vessel ruptures, and decreased blood flow.
cerebralvascular
-
An embolic stroke or stenosis causing a temporary blockage of a cerebral vessel is a?
TIA- transient ischemic attack
-
_____ is the most sensitive modality for detecting most suspeted brain tumors.
MRI
-
Seizure disorders and gradual neurologic deficits are the clinical signs of a ______ in the CNS.
tumor
-
An _______ neuroma usually originates in the IAC and extends into the cerebellopontine angle cistern.
acoustic
-
In MR, single or multiple masses presenting a high signal intensity on a T2 weighted image situated at the junction between gray matter and white matter is ________ carcinoma.
metastatic
-
_____ mal is the mildest type of epilepsy, which primarilly occurs in children.
Petit
-
Stooped posture, stiff and slow movement, fixed facial expression and involuntary tremors are characteristic signs of ____________.
Parkinson's disease
-
Atrophy of the caudate nucleus and putamen is the hallmark of _______ disease.
Huntington's
-
Two types of hydrocephalus?
- noncommunicating
- normal pressure
-
_____ arc are impulses conducted to and from.
Reflex
-
_____ neurons are impulses that travel from the CNS to the PNS.
Motor
-
The junction between neurons is called the?
synapse
-
One or more threadlike extensions leading toward the cell body are called?
dendrites
-
Afferent and efferent nerves are part of the ______ system
peripheral nervous
-
The brain and spinal cord are part of the ______ system.
Central nervous
-
________ absorbs CSF into the venous blood circulation.
Arachnoid villi
-
CSF is housed here.
Subarachnoid space
-
___________ controls position and automatic movements.
Basal ganglia
-
Delicate weblike middle covering of the CNS.
arachnoid membrane
-
The hypothalamus is termed the link between the mind and _______.
body
-
The cortex is the ______ portion of the cerbrum.
outer
-
_________ produces CSF.
Choroid plexus
-
_______ resembles a worm coiled on itself.
Vermis
-
__________ separates (not connects) the cerebral hemispheres.
Falx cerebri
-
The _____ is the superior portion of the brainstem.
midbrain
-
________ fracture is a bilateral and horizontal fracture of the maxillae.
Le Fort
-
________ meningitis is commonly caused by Haemophilus influenzae in neonates and young adults.
bacterial
-
_______ fracture is caused from a direct blow to the front of the orbit caused by a rapid increase in intraorbital pressure.
Blowout
-
_________ is a focal neurologic deficit that completely resolves in 24 hrs.
TIA
-
______ fracture is a fracture of the zygomatic arch, orbital floor, and a separation of the zygomaticofrontal suture.
Tripod
-
________ hematomas are most commonly ruptured veins between the dura and the arachnoid.
Subdural
-
Sudden and dramatic development of a focal neurologic deficit?
stroke
-
Suppurative process between the dura mater and arachnoid?
subdural empyema
-
Viral inflammation of the brain and meninges?
encephalitis
-
______________ causes gigantism in adolescents and acromegaly in adults.
Pituitary adenoma
-
Dilation of the ventricles?
hydrocephalus
-
_____ neuroma appears as a focal spot or generalized enlargement of cranial nerve VIII.
acoustic
-
Germinomas and teratomas are types of _______ tumors
pineal
-
Most common primary malignant brain tumor consisting of _____ cells, is a?
-
Slow growing tumors that form large cavities or pseudocysts?
astrocytomas
-
Tumor arrising from arachnoid lining cells and attached to the dura mater?
meningoma
-
The most common form of inflammation of the pia mater and arachnoid is?
bacterial meningitis
-
Brain mets usually originate in the?
lung and breast
-
A hematoma occuring after a blunt head injury causing venous bleeding is a?
subdural hematoma
-
Streptococci is the most common cause of?
brain abscess
-
A _____ consists of the multiplication of glial cells, which spread by direct contact.
glioma
-
A ____ grows slowly, arising from Schwann cells on the eighth cranial nerve.
acoustic neuroma
-
A meningioma is a benign tumor arrising from the arachnoid lining cells and is attached to the ______.
dura
-
An air-fluid level seen in the spheniod sinus is indicitive of a _____ skull fracture.
basilar
-
Tumors arising from the embryonic neural tube commonly found at the clivus are considered?
chordomas
-
Acute arterial bleeding most commonly caused by a laceration of the medial meningeal artery is a _______ hematoma.
epidural
-
Scattered plaques of demyelination on MR images is indicitive of?
Multiple Sclerosis
-
The essence of this condition seems to be an inadequate production of dopamine in cases of ______ disease.
Parkinson's
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