Nervous System Workbook
Card Set Information
Nervous System Workbook
CBC Radiology Nervous System
Nervous System Workbook Cards
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.
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.
The basic unit of the nervous system is the ______.
A single threadlike extension, an ______ leads away from the nerve cell body.
To increase the rate of transmission of nervous impulses, the axon is insulated by the?
A chemical reaction permits the travel of impulses from the dendrite to the next axon at the ________.
The neurons that carry the impulse to the skeletal muscle to cause movement are called the ______ or ______ neurons.
The thin layer of gray matter where nerve cell bodies are concentrated is the ______ of the cerebrum.
The two hemispheres are callled the ________.
High elevated convolutions on the surface of the of the cerebrum are the?
_______ matter is the inner area of the cerebrum consisting of nerve fiber tracks.
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.
Stimulation on one side of the cerebral cortex causes contraction of muslce on the ______ side of the body.
The ___________ connects the two cerebral hemispheres by a mass of white matter.
The caudate nuclei, globus pallidus and putamen make up the ___________.
The _________ is composed of the midbrain, the pons, and the medulla.
The coordination of muscle groups by the _________ helps to maintain equilibrium and posture.
Name the three meningeal layers, from the intermost to the outer layer.
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.
The _____________ is a tentlike covering over the cerebellum that separates it from the occipital lobe of the cerebrum.
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 ________.
Mumps, polio, and possibly herpes simplex cause ______ meningitis.
Acute inflammation of the meninges (pia mater and arachnoid) is called?
Mild headaches and fever to more severe cerebral dysfunction, seizures, and a coma may result from the viral infection of the brain called?
In ________ empyema, the infectious process is localized outside the dural membrane.
What are the two suppurative processes of the CNS?
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.
What are the four different types of cerebral hematomas?
A ______ hematoma demonstrates an increased density that has a crescent shape adjacent to the inner table of the skull.
Thefrontal and anterior temporal regions are the most common site of injury demonstrating edema and hemorrhage in cases of _____________ contusions.
The evidence of bleeding as increased density within the basiliar cisterns, cerebral fissures, and sulci indicate a _________ hemorrhage.
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.
The ______ of the mandible is the most common fracture site of the jaw.
The most common facial fracture is a fracture of the ?
Processes causing _______ disease include abnormal vessel walls, occlusions, blood vessel ruptures, and decreased blood flow.
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.
Seizure disorders and gradual neurologic deficits are the clinical signs of a ______ in the CNS.
An _______ neuroma usually originates in the IAC and extends into the cerebellopontine angle cistern.
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.
_____ mal is the mildest type of epilepsy, which primarilly occurs in children.
Stooped posture, stiff and slow movement, fixed facial expression and involuntary tremors are characteristic signs of ____________.
Atrophy of the caudate nucleus and putamen is the hallmark of _______ disease.
Two types of hydrocephalus?
_____ arc are impulses conducted to and from.
_____ neurons are impulses that travel from the CNS to the PNS.
The junction between neurons is called the?
One or more threadlike extensions leading toward the cell body are called?
Afferent and efferent nerves are part of the ______ system
The brain and spinal cord are part of the ______ system.
________ absorbs CSF into the venous blood circulation.
CSF is housed here.
___________ controls position and automatic movements.
Delicate weblike middle covering of the CNS.
The hypothalamus is termed the link between the mind and _______.
The cortex is the ______ portion of the cerbrum.
_________ produces CSF.
_______ resembles a worm coiled on itself.
__________ separates (not connects) the cerebral hemispheres.
The _____ is the superior portion of the brainstem.
________ fracture is a bilateral and horizontal fracture of the maxillae.
________ meningitis is commonly caused by Haemophilus influenzae in neonates and young adults.
_______ fracture is caused from a direct blow to the front of the orbit caused by a rapid increase in intraorbital pressure.
_________ is a focal neurologic deficit that completely resolves in 24 hrs.
______ fracture is a fracture of the zygomatic arch, orbital floor, and a separation of the zygomaticofrontal suture.
________ hematomas are most commonly ruptured veins between the dura and the arachnoid.
Sudden and dramatic development of a focal neurologic deficit?
Suppurative process between the dura mater and arachnoid?
Viral inflammation of the brain and meninges?
______________ causes gigantism in adolescents and acromegaly in adults.
Dilation of the ventricles?
_____ neuroma appears as a focal spot or generalized enlargement of cranial nerve VIII.
Germinomas and teratomas are types of _______ tumors
Most common primary malignant brain tumor consisting of _____ cells, is a?
Slow growing tumors that form large cavities or pseudocysts?
Tumor arrising from arachnoid lining cells and attached to the dura mater?
The most common form of inflammation of the pia mater and arachnoid is?
Brain mets usually originate in the?
lung and breast
A hematoma occuring after a blunt head injury causing venous bleeding is a?
Streptococci is the most common cause of?
A _____ consists of the multiplication of glial cells, which spread by direct contact.
A ____ grows slowly, arising from Schwann cells on the eighth cranial nerve.
A meningioma is a benign tumor arrising from the arachnoid lining cells and is attached to the ______.
An air-fluid level seen in the spheniod sinus is indicitive of a _____ skull fracture.
Tumors arising from the embryonic neural tube commonly found at the clivus are considered?
Acute arterial bleeding most commonly caused by a laceration of the medial meningeal artery is a _______ hematoma.
Scattered plaques of demyelination on MR images is indicitive of?
The essence of this condition seems to be an inadequate production of dopamine in cases of ______ disease.