2014 Inner Ear Physiology

Example question 1

In an conscious, normal person, injection of COLD water into the patient's RIGHT ear would cause: Answer

    1. Leftward nystagmus: pursuit to the left, followed by a right saccade.
    2. Leftward nystagmus: pursuit to the right, followed by a left saccade.
    3. Rightward nystagmus: pursuit to the left, followed by a right saccade.
    4. Rightward nystagmus: pursuit to the right, followed by a left saccade.
    5. Leftward pursuit only
    6. Rightward pursuit only
    7. No eye movement (eyes remain fixed, and move with the head).

Email: Dr. Janet Fitzakerley | ©2014 University of Minnesota Medical School Duluth | Last modified: 15-feb-14 9:04 PM