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nervous system
pathology
| Question | Answer |
|---|---|
| - an acute inflammation of the pia mater and arachnoid layers | meningitis |
| - a viral infection of the brain and meninges caused by the herpes simplex virus | encephalitis |
| What usually results of chronic infections of the sinuses, middle ear, mastoids or systemic infections? | brain abscess |
| What is the most common cause of a subdural empyema? | is the spread of infection from frontal or ethmoid sinuses |
| What is the most common primary malignant brain tumor? | glioma |
| What is the most common type of glioma? | astrocytoma |
| - benign tumors that arise from arachnoid lining cells and are attached to the dura | meningiomas |
| - slow growing, benign tumor that occurs on the eighth cranial nerve | acoustic neuroma |
| - cause enlargement of the sella turcica and erosion of the dorsum sellae | pituitary adenomas |
| What are the most common malignancies that metastasize to the brain? | lung and breast |
| What causes epidural hematomas caused by? | arterial bleeding in the cranium |
| What causes subdural hematomas? | venous bleeding in the cranium |
| What kind of fractures are the most common facial bone fractures? | nasal bone |
| - when the zygoma is separated from the other facial bones | tripod fracture |
| Which projection is useful in demonstrating fractures of the zygomatic arches? | submentalvertical projection |
| What causes a blow-out fracture? | direct blow to the orbit |
| bilateral and horizontal fractures of the maxillae are called? | LeFort fracture |
| - sudden and dramatic development of a focal neurologic deficit | stroke |
| -paralysis on one side of the body can be a symptom of a stroke, called... | hemiplegia |
| - focal neurologic defects that completely resolve within 24 hrs | transient ischemic attacks ( TIA ) |
| What is a major cause of subarachnoid hemorrhage? | rupture of a berry aneurysm |
| What is the most common cause of nontraumatic intraparenchymal hemorrhage in patients under the age of 20? | arteriovenous malformations (AVM) |
| - a condition in which brain impulses are distrurbed and causes symptoms ranging from loss of consciousness to violent seizures | epilepsy |
| - a degenerative neurologic disease that causes widespread selective atrophy and loss of motor nerves that eventually leads to paralysis and death | amyotrophic lateral sclerosis |
Created by:
erikasmith28
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