Cranial nerve Course Flashcards
What type of fibres are present in Cranial nerve I?
Special sensory
What plate of bone do the branches of CN I enter the anterior cranial fossa?
Cribiform plate of ethmoid bone
Type of fibres present in Cranial nerve II
Special sensory
Type of cranial nerve III?
Motor and parasympathetic
Type of cranial nerve IV?
Motor
Type of cranial nerve VI?
Motor
What are the fibre types in cranial nerve V?
V1- Sensory
V2- Sensory
V3- Sensory and motor
Type of fibres present in Cranial nerve VII – (choose from amongst general sensory, special sensory, motor, and parasympathetic)
Motor, Sensory, Special Sensory, Parasympathetic
Type of fibres present in Cranial nerve VIII – (choose from amongst general sensory, special sensory, motor, and parasympathetic)
Special Sensory
Type of fibres present in Cranial nerve IX – (choose from amongst general sensory, special sensory, motor, and parasympathetic)
Motor, Sensory, Special Sensory, Parasympathetic
Type of fibres present in Cranial nerve X – (choose from amongst general sensory, special sensory, motor, and parasympathetic)
Motor, General Sensory, Parasympathetic
Name two branches of this cranial nerve that innervate the muscles of the larynx.
Superior Laryngeal Nerve and Recurrent Laryngeal Nerves
Type of fibres present in Cranial nerve XI – (choose from amongst general sensory, special sensory, motor, and parasympathetic
Motor
What is this hgihlighted in green?
Accessory nerve
Type of fibres present in Cranial nerve XII – (choose from amongst general sensory, special sensory, motor, and parasympathetic)
Motor
What nerve is this?
Hypoglossal
What nerve?
Vagus
Which of the cranial nerves have a parasympathetic component
III, VII, IX, & X
Which cranial nerve(s) are attached directly to the brain?
I and II
Which cranial nerve(s) are attached directly to the midbrain?
III, IV
Which is the only cranial nerve to arise from the posterior aspect of the brain?
IV
Which cranial nerve(s) are attached directly to the pons?
V, VI, VII
Which cranial nerve(s) are attached directly to the pontomedullary junction?
VIII
Which cranial nerve(s) are attached directly to the medulla?
IX, X, XI, XII
Which cranial nerve can be tested by the pupillary light reflex?
II and III
Which cranial nerve can be tested by touch over the surface of the cheek?
V
What cranial nerve would you be testing if you asked the patient to stick their tongue out?
Hypoglossal – CN XII
What type of fibres in cranial nerve I?
Special sensory
What type of fibres in cranial nerve II?
Special sensory
What type of fibres in cranial nerve III?
Motor
What type of fibres in cranial nerve IV?
Motor
What are cranial nerve V?
Motor and sensory
What type of fibres in cranial nerve VI?
Motor
What type of fibres in cranial nerve VII?
Motor, sensory and special sensory
What type of fibres in cranial nerve VIII
Special sensory
What type of fibres in cranial nerve IX?
Motor and sensory and special sensory
What type of fibres in cranial nerve X?
Motor, sensory and special sensory
What type of fibres in cranial nerve XI?
Motor
What type of fibres in cranial nerve XII?
Motor
What is the mneumonic for the cranial nerves fibre types?
‘Some Say Marry Money But My Brother Says Big Brains Matter More’
S- Sensory
M- Motor
B- Both
