T9.1 Eye Movement

Question 1

A man is not able to depress his left eye. What is effected?

A. Right Inferior Oblique
B. Left Inferior Oblique 
C. Left CN VI
D. Left Superior Oblique
E. Right Superior Oblique 
F.  Right CN VI

RFA

Answer 1

ANS. D Left Superior Oblique- would do the depression of the left eye

Question 2

A 62 women goes to a baseball game she is watching the ball go into foul territory to the left. What is the correct arrangement nerves activated.

A. Left CN VI, Right MLF, Right CNIII
B. Left CN VI, Left MLF, Right CNIII
C. Right CNVI, Left MLF, Left CNIII
D. RightCNVI, Right MLF, Left CNIII
E. Right CNIV, Left MLF, Left CNIII
F.  Left CNIV, Left MLF, Right CNIII

RFA

Answer 2

Ans. A

Question 3

A 68 year old man is being examined at his primary care physician. During the H test both eyes move to the right in conjugated movement. But when doing the test to left gaze it the eyes do not perform a conjugate gaze. What is the most likely lesion?

RFA

A. Right MLF 
B.Left MLF
C. Right PPRF
D. Left PPRF 
E. Right Occipital lobe
F.  Left Occipital lobe

RFA

Answer 3

Ans. Left PPRF

Question 4

A patient comes to your office because he is having problems with his vision. When you see him it looks like he has serial killer eyes and it staring dead center over your right shoulder. You are very creeped out. You give him the H- test and found out that all movements are suppressed except right abduction. What combination of lesions will give these symptoms?

A) RIGHT PPRF AND RIGHT MLF
B) RIGHT PPRF AND LEFT MLF
C) LEFT PPRF AND LEFT MLF
D) LEFT PPRF AND RIGHT MLF

BONUS NAME THIS BITCH

Answer 4

ANSWER = C

BONUS - WARRICK/GONZALEZ SYNDROME
AKA 1 AND 1/2 SYNDROME

Question 5

A patient has his right eye stuck in the superior but centered position. Doing the red glass test the white light would be positioned where in relation to the red light?

A) Inferior but center visual field
B) Superior and center visual field
C) Leveled but Medial Visual field
D) Superior but medial center field

Answer 5

Answer is B

left eye is normal and that is white light so it will be in standard position of center visual field. the right eye is looking directly up so it will be in the center field and inferior to the white light

Question 6

The secondary neuron in the saccadic eye movement pathway synapses at which nuclei?

A) PPRF
B) CN III
C) CN VI
D) Vestibular

Answer 6

Answer = C

A- where primary neuron synapses

D- optokinetic pathway