Cranial Nerves
Which cranial nerve laterally moves eye (abduction)
CN VI (6)- Abducens
What condition is caused by a viral infection, immune disorder or nerve compression (one side paralysis of facial muscle)
Bell's Palsy
What is the snail shape organ in the ear?
Cochlea
What cranial nerve is responsible for somatosensorial of the face including TMJ
CN V (5)- Trigeminal
What cranial nerve is responsible for vision, afferent pathways for pupillary & accommodation reflex, visual acuity?
CN II(2) Optic Nerve
Which CN elevates shoulders; turns head
CN XI (11)- Spinal Accessory
Gastroparesis
What is the primary part of the brain that controls emotional response where odor affects hunger?
Amygdala
What cranial nerve moves the tongue by controlling the intrinsic & extrinsic muscles of the tongue?
CN XII (12)-Hypoglossal
What are small bones in the ear that vibrate?
Ossicles
What CN that carries sensation from the pharynx, impacts the gag reflex, swallowing and monitor BP
CN IX (9)- Glossopharyngeal
What condition affects both facial & vestibulocochelar causing acute facial paralysis, and often ear pain/ blisters?
Ramsay- Hunt
Which sensory input reaches the cortex w/o synapsing in thalamus?
Olfaction
What cranial nerve moves eye down and medially, playing a role in vestibulocochlear reflex? (helps with reading )
CN IV (4) Trochlear Nerve
What cranial nerve is responsible for regulation of visceral, vocal cord control, peristalsis
CN X (10) Vagus
What 2 muscles are innervated by CN (11 XI)- Spinal Accessory
Trapezius & Sternocleidomastoid
What condition would you find damage in the optic nerve that impairs signal transmission?
Optic Atrophy
Which test compares air & bone conduction?
Rinne Test
What cranial nerve is responsible for taste, tear production, salivation, & facial expression?
CN VII (7) Facial
What cranial nerve is responsible for hearing, sensation of head position relative to gravity?
CN VIII (8) Vestibulocochlear
Which CN raises upper eyelid, adjust shape of lens and manages pupil constriction
CN III (3)-Oculomotor
What condition would you have if you sustained sudden loss of vision due to impaired blood supply to the optic nerve?
Nonarteritic AION
What test assess lateralization of tone, identifies unilateral hearing loss?
Weber Test
What cranial nerve is responsible for our ability to smell?
CN I (1) Olfactory
Order the circle of Willis from top to bottom of the arteries ( HINT THERE ARE A TOTAL OF 8 ARTERIES )
1. Anterior Cerebral Artery
2. Anterior Communicating Artery
3.Middle Cerebral Artery.
4.Posterior Communicating Artery
5. Posterior Cerebral Artery
6. Basilar Artery
7.Vertebral Artery
8. Posterior Inferior Cerebellar Artery