Miscellaneous + Polito brain tumor stuff at the end - aa

Question 1

What lobe?

personality

premotor planning

motor function

Answer 1

frontal lobe

Question 2

What lobe?

auditory reception

speech

language comprehension

memory

Answer 2

temporal lobe

Question 3

What lobe?

sensory processing of pain and touch

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Answer 3

parietal lobe

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Question 4

What lobe?

visual perception system

Answer 4

occipital lobe

Question 5

What lobe?

coordination of voluntary movement

Answer 5

cerebellum

Question 6

What spinal nerve?

bicep DTR

Answer 6

C5

Question 7

What spinal nerve?

brachioradialis DTR

Answer 7

C6

Question 8

What spinal nerve?

triceps DTR

Answer 8

C7

Question 9

What spinal nerve?

patellar DTR

Answer 9

L4

Question 10

What spinal nerve?

achilles DTR

Answer 10

S1

Question 11

What is this?

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Answer 11

Decorticate posturing

(sniffing a CORk? - holding it up to your face with bent arms)

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Question 12

What is this?

Answer 12

Decerebrate posturing

(has a “B” in it…B for Butt, which you are scratching with your straightened out arm)

Question 13

Which is considered more serious, decorticate or decerebrate posturing?

Answer 13

Decorticate is serious.

Decerebrate is seriouser.

Decorticate is upper midbrain lesions, while decerebrate is lower midbrain/pons.

Question 14

Your patient is complaining of headache that is worse when he strains and double vision.

Upon exam you find papilledema and abducens palsy.

What do you suspect?

What tests will you run?

How will you treat?

Answer 14

Pseudotumor cerebri

LP to confirm intracranial HTN - CT/MRI will be normal.

Acetazolamide will reduce formation of CSF; repeated LP will lower pressure.

Question 15

What is the most common primary brain tumor?

Answer 15

meningioma

Question 16

What is the most common malignant primary brain tumor?

Answer 16

glioblastoma

Question 17

What is the most common brain tumor overall?

Answer 17

metastatic

Question 18

What is the 5-year survival rate for all malignant brain tumors?

What is the 5-year survival rate for glioblastoma?

What is the 5-year survival rate for malignant brain tumors in patients age 0-19 years?

Answer 18

all: 33%
glio: 3%
kids: 73%

Question 19

Acoustic neuromas arise from Schwann cells.

T/F

Answer 19

True.

Question 20

“ring of tissue around a necrotic core”

What kind of brain lesion is this describing?

What age gets this?

Answer 20

glioblastoma

> 60 yo

Question 21

Untreated glioblastomas double in size in 28 days.

T/F

Answer 21

FALSE.

They double in size in 14 days!

Question 22

Projectile vomiting = ____ until proven otherwise.

Answer 22

increased intracranial pressure

Question 23

Meningiomas have a strong female predominance.

T/F

Answer 23

TRUE

Question 24

Bilateral vestibular schwannomas = _________ until proven otherwise.

Answer 24

neurofibromatosis 2

Question 25

Acoustic neuroma risk increases with duration of noise exposure.

T/F

Answer 25

TRUE

Question 26

What is the cancer most likely to metastasize to the brain?

Answer 26

lung

Question 27

What kind of brain lesion is this?

What should you do if you see this?

Answer 27

metastatic brain lesions

go look for primary cancer somewhere else