IONM

Question 1

What does SSEP monitor?

Answer 1

Dorsal column medial Lemniscus pathway

Question 2

What does the dorsal column medial lemniscus pathway mediate?

Answer 2

Tactile discrimination, vibration and prorpioception

Question 3

Is dorsal column medial lemniscus pathway i psi lateral or contralateral

Answer 3

I psi lateral

Question 4

First synapse medial lemniscus pathway

Answer 4

Lower medulla

Question 5

Where does dorsal medial lemniscus pathway crossover

Answer 5

Brainstem

Question 6

Which nerves in upper extremities are monitored

Answer 6

Median and ulnar

Question 7

Which nerves in lower extremities are monitored

Answer 7

Posterior tibial and perineal nerve

Question 8

Where can MEP electrodes be placed

Answer 8

Superficial white matter under motor cortex, internal capsule, pyramidal decussation

Question 9

How is MEP generated and transported

Answer 9

Pyramidal tract

Question 10

Pathway of VEP

Answer 10

Retina, optic nerve, optic chiasm, optic tract, lateral geniculate body, optic radiation and occipital lobe

Question 11

Pathway of BAEP

Answer 11

Cochlear hair cell, vestibulocochlear nerve, superior oliviary complex, lateral lemniscus, inferior colliculis and medial geniculate body, primary auditory cortex

Question 12

What does BAEP stand for

Answer 12

Brainstorm auditory evoked potential