Pupillary Light Reflex
Clinical Pathology
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Neuropathies & Neurodevelopmental Disorders
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Cranial Neuropathies
Q. Which of the following is true?
a
Iris sphincter muscles are circumferentially-arranged, parasympathetically-innervated, to narrow pupil size
b
Iris sphincter muscles are radially-arranged, parasympathetically-innervated, to narrow pupil size
c
Iris sphincter muscles are circumferentially-arranged, sympathetically-innervated, to narrow pupil size
d
Iris dilator muscles are circumferentially-arranged, parasympathetically-innervated, to narrow pupil size
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