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Neurology

FA complete review Cranial Nerves

QuestionAnswer
What is the name of CN I? Olfactory
What is the function of CN I? Smell
Smell is sensed by which cranial nerve? Olfactory
Which is the only cranial nerve without Thalamic relax to cortex? Olfactory
What is a unique CN characteristic? Only cranial nerve without thalamic relay to cortex
Sensory or Motor. Olfactory cranial nerve? Sensory
CN I is an sensory or motor cranial nerve type? Sensory
Name of CN II Optic
What is the function of CN II? Sight
Which cranial nerve's function is sight? Optic
Sensory or Motor. Optic cranial nerve? Sensory
Is CN II an sensory or motor type cranial nerve? Sensory
What number is the Oculomotor nerve? III
Name of CN III Oculomotor
List of functions of the CN III: 1. Eye movement 2. Pupillary constriction 3. Accomodation 4. Eyelid opening
Which eye movement (ocular) muscles are innervated by CN III? SR, IR, MR, and IO
What are features of the sphincter pupillae? 1. Edinger-Westphal nucleus 2. Muscarinic receptors
What type of receptors are associated with the sphincter pupillae? Muscarinic receptors
Which muscle makes eyelid opening possible? Levator palpebrae
Sensory, Motor, or Both. Oculomotor nerve? Motor
What type of nerve is the CN III? Motor
What is the name of CN IV? Trochlear
What number is the Trochlear nerve? IV
What is the function of CN IV? Eye movement
Eye movement by the Trochlear nerve is done by the innervation of which ocular muscle? SO
Which is the only eye muscle innervated by the CN IV? SO
Sensory, Motor, or Both. CN IV? Motor
What is the name of CN V? Trigeminal
What are the functions of the Trigeminal nerve? 1. Mastication 2. Facial sensation 3. Somatosensation from anterior 2/3 of tongue 4. Dampening of loud noises
What are the divisions of the CN V that provide Facial sensation? Ophthalmic, Maxillary, and Mandibular
To what part of the tongue does the Trigeminal nerve provide somatosensation? Anterior 2/3 of tongue
What muscle is innervated by the CN V that dampens loud noises? Tensor tympani
The Tensor tympani is innervated by which cranial nerve? Trigeminal
Sensory, Motor, or Both. Trigeminal nerve? Both
Which cranial nerves are both, motor and sensory? Trigeminal (V), Facial (VII), Glossopharyngeal (IX), and Vagus (X)
Name of CN VI? Abducens
The Abducens cranial nerve is what number? VI
What is the involved action of CN VI? Eye movement
Which ocular muscle is innervated by CN VI? LR
The lateral rectus is innervated by the ________________ nerve. Abducens
Sensory or Motor. Abducens nerve? Motor
What is the name for CN VII? Facial
List of functions of CN VII: - Facial movement - Taste from anterior 2/3 of tongue - Lacrimation - Salivation - Eye closing - Auditory volume modulation
Which glands innervated by CN II cause salivation? Submandibular and Sublingual glands
What muscle causes eye closing? Orbicularis oculi
The Orbicularis oculi is innervated by which CN? Facial
The Chorda tympani is innervated by the ______________ nerve. Facial
Auditory muscle innervated by the __________ nerve. Facial
What is the function of the Stapedius muscle? Auditory volume modulation
Sensory, Motor, or Both. CN VII? Both
What type of nerve is the Facial cranial nerve, sensory or motor? Both
What is the name for CN VIII? Vestibulocochlear
What Roman number is given to the Vestibulocochlear nerve? VIII
What are the associated functions of the Vestibulocochlear nerve? Hearing and balance
Damage to the CN VIII may cause deficits in: Hearing and balance
A person with a clear loss of balance and hard of hearing, might suffered from either compression or damage to which cranial nerve? Vestibulocochlear
What type of nerve is CN VIII, sensory or motor? Sensory
Sensory or motor. Vestibulocochlear nerve? Sensory
What is the name for CN IX? Glossopharyngeal
What is the roman numeral designated for the Glossopharyngeal nerve? IX
What are some of the associated functions of CN IX? 1. Taste and sensation from posterior 1/3 of tongue, 2. Swallowing 3. Salivation 4. Monitoring carotid body and sinus chemo- and baroreceptors, 5. Elevation of pharynx/larynx
Which part of the tongue is innervated by the Glossopharyngeal nerve? Posterior 1/3
CN IX innervation of the posterior 1/3 of tongue provides: Taste and sensation
CN associated with Carotid body and sinus chemo- and baroreceptor monitoring? Glossopharyngeal
Which chemo- and baroreceptors are monitored by the CN IX? Carotid body and sinus
Sensory, Motor, or Both. Cranial nerve 9? Both
What muscle is innervated by the Glossopharyngeal nerve that elevate pharynx/ larynx? Stylopharyngeus
The Stylopharyngeus is innervated by the ______________ nerve. Glossopharyngeal
Vagus nerve roman numeral X
What is the name for CN X? Vagus
List of functions for CN X? - Taste from supraglottic region - Swallowing - Soft palate elevation - Midline uvula - Talking - Cough reflex - Parasympathetics to thoracoabdominal viscera - Monitoring aortic arch chemo- and baroreceptors
Which chemo- and baroreceptors are monitored by the Vagus nerve? Aortic arch
Deficient response of aortic arch chemoreceptors and baroreceptors may be due to damage to which cranial nerve? Vagus
Which reflex is associated with proper Vagus nerve functioning? Cough reflex
(-) Cough reflex. Dx? Damage/injury to CN X
Which CN is involved in Soft palate elevation? Vagus
CN that provides taste to the Supraglottic region? Vagus
Sensory, Motor, or Both. Vagus nerve? Both
Motor and sensory CN that is involved in swallowing, talking and midline uvula location? Vagus
Name of the CN XI? Accessory
What is the Roman numeral given to the Accessory nerve? XI
What are the functions involved with the Accessory nerve? Head turning, shoulder shrugging (SMC, trapezius)
Which shoulder/neck muscles are innervated by CN XI? Sternocleidomastoid and Trapezius
What type of nerve is CN XI, sensory or motor? Motor
A person with difficulty shrugging the shoulder, most likely indicates injury to which cranial nerve? Accessory
Name of CN XII: Hypoglossal
What is the function associated with CN XII? Tongue movement
Sensory or Motor. Hypoglossal nerve? Motor
What action would be deficient or abnormal in case of injury to Hypoglossal cranial nerve? Tongue movement
Created by: rakomi
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