RATEC Path Nervous system workbook

Hemorrhagic strokes are most commonly caused by:

A berry aneurysm, hypertension

A generalized convulsion that is associated with a fall, hypersalivation, and incontinence is considered:

A grand mal seizure

A ______ grows slowly, arising form the Schwann cells on the eigth cranial nerve:

Acoustic neuroma

Presenile progressive cerebral atrophy is also called ______ disease:

Alzheimer's

Widespread selective atrophy with loss of neuromotor function leading to paralysis is:

Amyotrophic lateral sclerosis

A meningioma is a benign tumor arising from:

Arachnoid lining cells and is attached to the dura

The tumor that grows slowly, has an infiltrating character and can form large cavities and pseudocysts is a:

Astrocytoma

The most common form of inflammation of the pia mater and arachnoid is:

Bacterial meningitis

An air fluid level seen in the sphenoid sinus is indicative of what type of skull fracture?

Basilar

A loculated infection most commonly seen in the gray matter is a:

Brain abscess

The imaging modality of choice to evaluate patients with suspected neurologic dysfunction caused by head trauma is:

CT

_______ refers to any process caused by an abnormality of the blood supply to the brain:

Cerebrovascular accident

Tumors arising from the embryonic neural tube commonly found at the clivus are considered:

Chordomas

Movement of the brain within the calvaria following blunt trauma to the skull sometimes results in a cerebral:

Contusion

Most ______ have calcifications, which can be visualized on routine skull images:

Craniopharyngiomas

Le Fort fractures result in a:

Detached fragment that is unstable and altered

A linear skull fracture that intersects the sutures and continues along the sutures is a _______:

Diastatic

A viral inflammation of the brain and meninges is called:

Encephalitis

A _______ hematoma appears as a biconvex peripheral high density lesion on CT:

Epidural

Acute arterial bleeding most commonly caused by laceration of the medial meningeal artery is a ______ hematoma:

Epidural

Which of the following is not a membrane covering the brain?

Epidural

The process associated with osteomyelitis, causing a low density, poorly defined area adjacent to the inner skull table on CT, in a case of:

Epidural empyema

A primary malignant tumor presenting high signal intensity on T2 weighted MR images is a:

Glioma

The _______ consists of the multiplication of glial cells, which spread by direct extension:

Glioma

Sinus radiographs should be taken using a ________ beam with the patient in the ______ position:

Horizontal, erect

Atrophy of the caudate nucleus and putamen seen on CT as focal dilation of the frontal horns with a loss of their normal shape is indicative of:

Huntington's disease

Brain metastases usually originate in the:

Lung and breast

The rim of low intensity consisting of CSF cleft, the vascular rim, or dura demonstrating separation of the tumor from adjacent brain, seen on T1 and T2 weighted MR images is:

Meningioma

A disease process seen as scattered plaque on MR images as a result of demyelination is:

Multiple sclerosis

Scattered plaques of demyelination on MR images are lesions of what?

Multiple sclerosis

Increased intracranial pressure caused by a blockage is suggestive of:

Noncommunicating hydrocephalus

The essence of the condition seems to be an inadequate production of dopamine in cases of _______ disease:

Parkinson's

Rapidly growing germ cell tumors known as ____ are best demonstrated on MR sagittal images:

Pineal tumors

Which of the following is the most common cause of a brain abscess?

Streptococci

A berry aneurysm rupture is a major cause of a _______ hemorrhage:

Subarachnoid

Bleeding into the ventricular system as a result of injury to the surface veins is a ______ hemorrhage:

Subarachnoid

The _____ space contains spinal fluid:

Subarachnoid

A suppurative process in the space between the inner surface of the dura and the outer arachnoid surface is a:

Subdural empyema

A hematoma that occurs after a blunt head injury causing venous bleeding is a:

Subdural hematoma

A fracture of the zygomatic arch and the orbital floor, and a separation of the zygomaticofrontal suture is a _______ fracture:

Tripod