A knife wound has severed the oculomotor nerve in a 45 year old man. Which of the following conditions will occur because of this injury?
Correct Answer: Paralysis of the ciliary muscle
Description: Paralysis of III NERVE Ptosis Mydriasis Ophthalmoplegia Diplopia Loss of accomdation reflex CHOICE EXPLANATION & ELIMINATION REASON 1 Constricted pupil - due to dilator pupil lesion sympathetic fibres lesion 2 Abduction - due to medial rectus injury 3 Lesion of III nerve will not cause complete Ptosis . elevation of eyelid also by tarsal muscles - supplied by sympathetic fibres 4 Ciliary muscles supplied by III Nerve
Category:
Anatomy
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