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What are the cranial nerves involved in the corneal reflex?
It is the 7th cranial nerve (facial nerve).
What reflex is centered in the brain and involves cranial nerves?
The reflex that is centered in the brain and involves cranial nerves is the cranial reflex. An example of this is the pupillary light reflex, where light exposure causes the pupils to constrict. This reflex involves the optic nerve (Cranial Nerve II) for sensing light and the oculomotor nerve (Cranial Nerve III) for pupil constriction. The processing occurs in the brainstem, illustrating the integration of sensory and motor functions.
What neural injury will the corneal reflex not test for?
The corneal reflex will not test for injuries to the facial nerve (cranial nerve VII) as it primarily assesses the integrity of the trigeminal nerve (cranial nerve V) and the ophthalmic branch of the trigeminal nerve.
Cranial nerve for sense of hearing?
The vestibulocochlear cranial nerve controls hearing.
Which cranial nerve in responsible for the reflex constriction of the pupil in response to light and accomodation?
The oculomotor nerve (cranial nerve III) is responsible for the reflex constriction of the pupil in response to light and accommodation.
Which cranial nerve innervates the ear?
The cranial nerve that innervates the ear is the vestibulocochlear nerve (CN VIII). It has two branches: the vestibular nerve that controls balance and the cochlear nerve that controls hearing.
What cranial nerve controls the ears?
auditory nerve
What cranial nerve is used when smelling a flower?
The Olfactory nerve. CN1 Cranial Nerve I, or the first cranial nerve called the Olfactory nerve.
What is the result of a normal palpebral reflex?
The normal palpebral reflex results in the blinking of the eyelids when the area around the eyes is gently tapped or stimulated. This response indicates proper functioning of the trigeminal nerve (cranial nerve V), which mediates sensation, and the facial nerve (cranial nerve VII), which controls the muscles involved in blinking. A positive reflex suggests intact neurological pathways and is often assessed during neurological examinations. Absence of this reflex could indicate potential nerve damage or neurological issues.
What cranial nerve controls the response of the illuminated eye?
If the light is shining directly into one eye, then the pupil in that eye will constrict (a direct response), but so will the pupil in the non-illuminated eye (a consensual response). This reflex involves two cranial nerves: the optic nerve, which senses the light, and the oculomotor nerve, which constricts both pupils.
Which cranial nerve controls hearing and body balance?
The cranial nerve that controls hearing and body balance is the vestibulocochlear nerve, also known as cranial nerve VIII. It has two main branches: the cochlear branch, responsible for hearing, and the vestibular branch, responsible for balance and spatial orientation.
What nerve acts as the afferent pathway in the pupillary reflex?
The optic nerve (cranial nerve II) carries sensory information about light intensity to the brain as part of the afferent pathway in the pupillary reflex.
