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What cranial nerve is chiefly responsible for eye movements?
oculomotor, trochlear, abducens
How will you test a patient 's occulomotor nerve function?
To test a patient's oculomotor nerve (CN III) function, assess their eye movements by asking them to follow a target (such as a pen) in various directions—up, down, and laterally. Observe for any ptosis (drooping of the eyelid) and check for pupil response to light and accommodation, as the oculomotor nerve controls most eye movements and pupil constriction. Additionally, evaluate for any signs of diplopia (double vision) which may indicate dysfunction. A comprehensive assessment helps identify any abnormalities in oculomotor nerve function.
A young woman is brought to the emergency room with extremely dilated pupils Her friends say that she has overdosed on cocaine What cranial nerve is stimulated by this drug?
maybe the oculomotor nerve is affected( whIcH we alreadY kNown thaT tHe fUnctiON of oculomotor nerve is a mOtor to mOve the eyebAll aNd parasyMpathetic nerve fiber tO cOstriCt tHe pupil) and if thIs nerVe was erruPted,the pUpil will be dilaTed or extremeLy dilated
Opening the eyes involves the what nerve?
Opening the eyes involves the cranial nerve called the oculomotor nerve (CN III). This nerve innervates the muscles responsible for raising the upper eyelid and controlling the pupil size.
Cranial nerves that have some function in vision include the?
The cranial nerves that have some function in vision include the optic nerve (II), which is responsible for carrying visual information from the eye to the brain, and the oculomotor nerve (III), which controls the movement of the eye muscles.
Which cranial nerve is used when raising the eyebrows?
oculomotor
Which cranial nerve control contraction of the circular smooth muscle of the iris?
The parasympathetic fibers of the oculomotor nerve (cranial nerve III) control the contraction of the circular smooth muscle of the iris, causing pupil constriction.
Cranial nerve raising eyelid?
number III. oculomotor
Does the oculomotor nerve have motor fibers?
Yes it is motor and parasympathetic.
What nerve governs most of the extrinsic eye muscle?
Trochlear Nerve innervates Superior Oblique(extrinsic eye muscle)Oculomotor Nerve innervates Inferior Oblique, Superior Rectus, Inferior Rectus, and Medial Rectus (which are all extrinsic eye muscles) along with Ciliary Body, and the Iris (which are both intrinsic eye muscles)Abducens Nerve innervates Lateral Rectus(extrinsic eye muscle)
What cranial nerve involved while raising eye lids and focusing the lens of the eye for accommodation?
The cranial nerve involved in raising the eyelids is the oculomotor nerve (cranial nerve III). For focusing the lens of the eye for accommodation, the oculomotor nerve controls the ciliary muscle.
The oculomotor nerve controls most of the movement of what part of your body?
Eye
