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Questions and Answers
Which nerve is responsible for carrying the third order neurons in the light pupillary reflex?
Which nerve is responsible for carrying the third order neurons in the light pupillary reflex?
- Optic nerve
- Pretectal nucleus
- Oculomotor nerve (correct)
- Ciliary ganglia
What is the function of the sphincter muscles of the pupils in the light pupillary reflex?
What is the function of the sphincter muscles of the pupils in the light pupillary reflex?
- Carry sensory impulses from the retina
- Constrict the pupils (correct)
- Terminate in the pretectal nucleus
- Dilate the pupils
Which of the following is a symptom of mydriasis?
Which of the following is a symptom of mydriasis?
- Pupil constriction
- Termination in the pretectal nucleus
- Sensory impulses from the retina
- Pupil dilation (correct)
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Description
Test your knowledge on the fascinating topic of light pupillary reflexes with our quiz! Explore the complex pathway of sensory and motor neurons involved in this reflex, including the role of the optic nerve, midbrain, pretectal nucleus, Edinger-Westphal nucleus, and oculomotor nerve. Challenge yourself with questions on terminology and concepts specific to this fascinating topic.
