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?
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
Constricted pupil
Abduction of the eyeball
Complete ptosis
Paralysis of the ciliary muscle
Pharynx, larynx and trachea and cranial nerves 3,4,6