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Nerves- 3
Cranial Nerves
21
Anatomy
Undergraduate 2
04/28/2015

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Cards

Term
How are Cranial Nerves numbered?
Definition
Roman Numeral I-XII [rostral to caudal]
Term
Where are cranial nerves located on the brain?
Definition
All but X are in the middle
Term
What are the three types of functions cranial nerves can have?
Definition
Sensory- Special or general
Somatic motor- Skeletal muscles
Parasympathetic- Regulation of glands, smooth muscles, cardiac muscle
Term
What does proprioception mean?
Definition
Positional information of body parts
Term
Name all of the Cranial Nerves

Think: Oh once one takes the anatomy final – very good vacations are heavenly!
Definition
Olfactory – I
Optic – II
Oculomotor – III
Trochlear – IV
Trigeminal – V
Abducens – VI
Facial - VII
Vestibulocochlear - VIII (Also known as auditory)
Glossopharyngeal – IX
Vagus – X
Accessory – XI (Also known as spinal accessory)
Hypoglossal – XII
Term
What type of nerve is Olfactory – I and what does it do?
Definition
Sensory- Smell
Term
What type of nerve is Optic - II and what does it do?
Definition
Sensory- Light
Term
What type of nerve is Oculomotor – III and what does it do?
Definition
Motor- 4 of the 6 eye muscles
Parasympathetic- Constriction of pupil, Movement of lens
Term
What type of nerve is Trochlear – IV and what does it do?
Definition
Motor- Eye muscle
Term
What type of nerve is Trigeminal - V and what does it do?
Definition
Sensory- Face, nasal cavity, lips, skin of mandible
Motor- Muscles of mastication, anterior belly of digastric, mylohyoid
Term
What type of nerve is Abducens – VI and what does it do?
Definition
Motor- One eye muscle
Term
What type of nerve is Facial – VII and what does it do?
Definition
Sensory- Taste
Motor- Facial muscles, posterior belly of digastric
Parasympathetic- Salivary glands, glands of nasal cavity
Term
What type of nerve is Vestibulocochlear – VIII and what does it do?
Definition
Sensory- Hearing and balance
Term
What type of nerve is Glossopharyngeal – IX and what does it do?
Definition
Sensory-Taste, back of mouth, tonsils, middle ear
Motor- One muscle of pharynx
Parasympathetic- Salivary gland, glands of tongue
Term
What type of nerve is Vagus – X and what does it do?
Definition
Sensory- Taste, back of mouth, larynx, thoracic and abdominal organs
Motor- Muscles of larynx, one muscle of tongue
Parasympathetic- Thoracic and abdominal organs
Term
What type of nerve is Accessory – XI and what does it do?
Definition
Motor- Muscles of neck and back
Term
What type of nerve is Hypoglossal – XII and what does it do?
Definition
Motor- Tongue and throat muscles
Term
Are CN part of the CNS or PNS?
Definition
Peripheral Nervous System (PNS) because they leave the brain
Term
Which CN's are purely sensory?
Definition
I, II, VIII
Term
Which CN's are purely motor?
Definition
III, IV, VI, XI, XII
Term
What is the Mnemonic for CN function?
Definition
Some Say Marry Money But My Brother Says Big Brains Matter Most [sensory, sensory, motor, motor, both, etc.]
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