test 3 spinal cord and the dirty thirty

Question 0

what system, tract, and where does it cross - TTPI touch, tickle, pressure, itch

Answer 0

spinothalamic, anterolateral, cross 8-10 above or below

Question 1

what system, tract, and where does it cross - pain and temp

Answer 1

spinothalamic, anterolateral, crosses immediately

Question 2

what system, tract, and where does it cross - conscious proprioception

Answer 2

dorsal column, medial lemniscal, via cuneatus or gracilis, cross in medulla to medial lemniscal

Question 3

what system, tract, and where does it cross - unconscious proprioception

Answer 3

spinocerebellar, anterior crosses immediately and then crosses back in medulla, posterior never crosses

Question 4

what system, tract, and where does it cross - descending motor

Answer 4

pyramidal, corticospinal, lateral crosses at pyramids, both descend corticospinal tracts, anterior crosses at level

Question 5

Where are the nuclei for cranial nerves 9-12

Answer 5

the medulla

Question 6

what are the names of the nuclei for the sensory and the motor components of cranial nerve 9 glossopharyngeal and 10 vagus

Answer 6

sensory = solitarius
motor = ambiguus

Question 7

Where are the nuclei of origin for cranial nerves 5,6,7,8

Answer 7

the pons

Question 8

Where are the nuclei of origin for cranial nerves 3 and 4

Answer 8

the midbrain