6.2 practice

Question 1

____________ is the intracranial study of choice in most patients, but ____________ can be used for infants
a) CT; MRI
b) MRI; U/S
c) CT; U/S
d) U/S; MRI

Answer 1

b) MRI; U/S

Question 2

_______________ is the study of choice in acute head trauma
a) Non-contrasted CT
b) Contrasted CT
c) MRI
d) U/S

Answer 2

a) Non-contrasted CT

Question 3

Fractures of the cranial vault most likely occur in the___________ and _________ bones
a) parietal and ethmoid
b) temporal and ethmoid
c) temporal and parietal
d) temporal and zygomatic

Answer 3

c) temporal and parietal

Question 4

What is the most common type of skull fracture?
a) Linear Skull Fractures
b) Depressed Skull Fractures
c) Basilar Skull Fractures

Answer 4

a) Linear Skull Fractures

Question 5

What are the most serious and consist of a linear fracture at the base of the skull b/c they’re associated with tears in the dura mater?
a) Linear Skull Fractures
b) Depressed Skull Fractures
c) Basilar Skull Fractures

Answer 5

c) Basilar Skull Fractures
(Suspect if air seen in the brain, fluid in the mastoid air cells, or an air-fluid level in the sphenoid sinus)

Question 6

What is the study of choice for facial fractures?
a) MRI
b) CT
c) U/S

Answer 6

b) CT

Question 7

______________ hematomas don’t cross suture lines and are often assoc. w a temporal bone FX, whereas ___________ hematomas can and are typically not associated with Fxs (but do NOT cross the midline)
a) Epidural; subdermal
b) Subdermal; epidural

Answer 7

a) Epidural; subdermal

Question 8

____________ hematomas are usually in the frontal or temporal lobes
a) Epidural
b) Subdural
c) Intracerebral
d) Subarachnoid

Answer 8

c) Intracerebral

Question 9

Axonal injury has the ___________ prognosis of all head traumas and gradient-susceptability MRI is the study of choice in identifying diffuse axonal injury. Pt is often unconscious after the moment of injury.
a) Best
b) Poorest

Answer 9

b) Poorest

Question 10

Which is more sensitive and specific for strokes?
a) MRI
b) CT
c) U/S

Answer 10

a) MRI

Question 11

The most common finding of an acute (< 24 hr), non-hemorrhagic stroke is a ______________ CT scan
a) abnormal
b) normal

Answer 11

b) normal

Question 12

Both the ventricles and sulci are proportionately enlarged in ___________
a) Hydrocephalus
b) Cerebral atrophy
c) Both of the above

Answer 12

b) Cerebral atrophy

Question 13

What is NOT a part of the classic triad of clinical Sx of Normal Pressure Hydrocephalus?
a) Gait
b) Dementia
c) Urinary incontinence
d) Headache

Answer 13

d) Headache

Question 14

The most common primary brain tumor is what?
a) Gliomas
b) Astrocytomas
c) Meningiomas
d) Oligodendromas
e) Ependymomas

Answer 14

c) Meningiomas