2015 Hearing & Balance

Example test question 4

Which of the following scenarios best describes the pattern of activity that occurs in the vestibulo-ocular reflex pathway in response to a turn of the head to the RIGHT? Answer

ANSWER
Firining in LEFT vestibular nerve
Activity in RIGHT oculomotor nucleus
Action of the RIGHT medial rectus muscle
Movement of the eyes
A
Increase
Decrease
Relax
Right
B
Decrease
Increase
Contract
Right
C
Increase

Decrease

Relax
Left
D
Decrease
Increase
Contract
Left
E
Increase
Decrease
Contract
Right
F
Decrease
Increase
Relax
Right
Email: Dr. Janet Fitzakerley | ©2015 University of Minnesota Medical School Duluth | Last modified: 24-jan-15 5:16 PM