tests

Question 1

Where should LPs be performed?

Answer 1

L4-L5

Question 2

In T1 imaging, white matter is..? CSF?

Answer 2

bright, dark

Question 3

T2 imaging, white matter is? CSF?

Answer 3

CSF is bright

Question 4

FLAIR imaging is most helpful for..

Answer 4

eval white matter disease

Question 5

DWI is most helpful for…

Answer 5

eval cellular toxicity (acute stroke) - areas of restricted diffusion are bright

Question 6

What waves are observed on EEG?

Answer 6

alpha, beta, theta, delta; theta and delta occur during drowsiness and sleep

Question 7

A delay in P100 potential suggests…

Answer 7

optic nerve dysfunction

Question 8

Absence of what potentials indicates poor prognosis in coma patients?

Answer 8

N20 evoked potentials

Question 9

What value decreases in NMD with regards to EMG?

Answer 9

CMAP (compound muscle action potential)