Neuro: Pupillary Dilaton Reflex

Question 1

Horners syndrome disrupts __________ innervation to the head

Answer 1

Sympathetic

Question 2

Horners syndrome symptoms:

Answer 2

-impaired pupil dilation
-ptosis
-loss of sweating (anhydrosis)
**on one side

Question 4

Weber’s syndrome:

Answer 4

-CN3 palsy
-cerebral peduncle

Question 5

Claude’s syndrome:

Answer 5

-CN3 palsy
-red nucleus
-impaired motor coordination

Question 6

Benedikt’s syndrome:

Answer 6

Webers and Claude’s in same case

Question 7

Lateral pontine stroke syndrome affects which pupillary dilation circuitry?

Answer 7

Hypothalamo-spinal tract where it descends through the lateral vascular territory

Question 8

What part of the pupil dilation circuit does Wallenberg syndromw affect?

Answer 8

Hypothalamo-Spinal tract that descends through the lateral vasculature territory

Question 9

Weber’s, Claude’s, and benedikt’s syndrome all affect what?

Answer 9

Midbrain vascular territories