Neuro

Question 1

What does hyperventilation do to brain

Answer 1

↑ RR –> vascular resistance –> ↓ ICP

Question 2

What type of cell makes glioblastomas

Answer 2

astrocytes (a type of glial cell)

Question 3

Cancers of the _________ frequently metastasize to the brain parenchyma.

Answer 3

lung
breast
melanoma

Question 4

what is more common, brain met or primary tumor of brain?

Answer 4

Trick! its about 50/50

20–25% of all cancer patients develop intracranial metastases

Question 5

The presence of rhinorrhea or otorrhea

requires?

Answer 5

observation
prophylactic antibiotics

–> meningitis is a serious sequel

Question 6

Most skull fractures do not require surgical treatment unless

Answer 6

they are depressed or compound fxs

Question 7

depressed skull fractures are defined as

Answer 7

fxs in which the cranial vault is displaced inward

should be surgically elevated

Question 8

Compound fractures are defined as

Answer 8

fractures in which the bone and the overlying skin are broken
must be cleansed /debrided and the wound closed

Question 9

Cushing response

Answer 9

irregular respirations, bradycardia, and finally increased blood pressure with ↑ ICP

Question 10

Brain herniation usually causes compression

of the

Answer 10

CN 3

–> fixed and dilated pupil (ipsilateral)

Question 11

Peripheral nerve tumors include lesions of

Answer 11

peripheral nerves
adrenal gland nerve tissue
sympathetic chain.

Question 12

tumor of epithelial remnants of Rathke’s pouch

Answer 12

craniopharyngioma

Question 13

Brain tumor that is mostly in women

Answer 13

meningioma

Question 14

_____________ in the absence of antecedent trauma

most commonly arises from a ruptured intracranial aneurysm

Answer 14

Subarachnoid hemorrhage (SAH)

Complaints of a stiff neck and photophobia are common

Early surgical intervention (72 h of SAH) may prevent rebleeding and allow management of posthemorrhage vasospasm.