Path Exam 6 - Workbook Ch. 8 (multiple choice)

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

bacterial meningitis

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

epidural

Brain metastases usually originate in the

Lung and breast

A hematoma that occurs after a blunt head injury causing venous bleeding is a(n)

subdural hematoma

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

contusion

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

streptococci

Sinus radiographs should be taken using a ________ beam and with the patient in the ________________ position.

horizontal; erect

The process associated with osteomyelitis, which appears as a low-density, poorly defined area adjacent to the inner skull table on CT, is a case of

epidural empyema

A(n) ________________ consists of the multiplication of glial cells, which spread by direct extension.

glioma

A(n) ________________ grows slowly, arising from the Schwann cells on the eighth cranial nerve.

acoustic neuroma

A meningioma is a benign tumor arising from

arachnoid lining cells and is attached to the dura

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

basilar

Rapidly growing germ cell tumors known as ______ are best demonstrated on MR sagittal images.

pineal tumors

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

Le Fort fractures result in a(n)

detached fragment that is unstable and altered

Hemorrhagic strokes are most commonly caused by

a berry aneurysm and hypertension

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

amyotrophic lateral sclerosis

Scattered plaques of demyelination on MR images are lesions of

multiple sclerosis

The essence of the condition seems to be an inadequate production of dopamine in cases of _____________ disease.

Parkinson's