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WorksheetsNeuro Ophtha 2
Total questions: 5
Worksheet time: 4mins
What percentage of "microvascular" or "vasculopathic" 3rd nerve palsies demonstrate some degree of pupil involvement?
<1%
20%
50%
90%
What is the most common structural etiology causing downbeat nystagmus?
Posterior fossa meningioma
Chiari type I malformation
Spinal cord/brainstem syrinx
Cerebellar hemangioma
What are the average diameters of optic nerve head and intraorbital optic nerve respectively?
1mm; 2mm
1.5mm; 3mm
3mm; 6mm
1cm; 2cm
A patient has right eye pharmacologically dilated, left eye undilated. Assume ha has a longstanding right RAPD from prior exams. To properly assess for RAPD in this patient, you must hold a light indirectly on the ___ eye while a direct light is swung back and forth between the eyes. In this case, the ___ pupil will dilate when direct light is swung from the ___ eye to the ___ eye.
left, left, right, left
left, left, left, right
right, left, left, right
Cannot assess RAPD in this scenario
What is the primary MoA of apraclonidine?
Beta adrenergic receptor agonist (B1 > B2)
Alpha adrenergic receptor agonist (A2 > A1)
Alpha adrenergic receptor agonist (A1 > A2)
Beta adrenergic receptor agonist (B2 > B1)
