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Questions and Answers
What structures does the accessory nerve consist of?
What structures does the accessory nerve consist of?
- Cranial and spinal roots (correct)
- Cranial root only
- Spinal root only
- Inferior ganglion root
From where does the spinal root of the accessory nerve arise?
From where does the spinal root of the accessory nerve arise?
- Spinal cord (correct)
- Medulla oblongata
- The skull
- Inferior cerebellar peduncle
Where do the two roots of the accessory nerve unite?
Where do the two roots of the accessory nerve unite?
- Jugular foramen (correct)
- Medulla oblongata
- Foramen magnum
- Inferior ganglion
Which muscle is supplied by the cranial root of the accessory nerve?
Which muscle is supplied by the cranial root of the accessory nerve?
What happens when there is an injury to the cranial part of the accessory nerve?
What happens when there is an injury to the cranial part of the accessory nerve?
Where might the spinal part of the accessory nerve be injured due to its superficial position?
Where might the spinal part of the accessory nerve be injured due to its superficial position?
What is the consequence of an injury to the spinal part of the accessory nerve?
What is the consequence of an injury to the spinal part of the accessory nerve?
Which ganglion does the cranial root of the accessory nerve join?
Which ganglion does the cranial root of the accessory nerve join?
What is the manifestation of an injury to the cranial part of the accessory nerve?
What is the manifestation of an injury to the cranial part of the accessory nerve?
Which muscles are supplied by the spinal root of the accessory nerve?
Which muscles are supplied by the spinal root of the accessory nerve?
What is the function of the cranial root of the accessory nerve?
What is the function of the cranial root of the accessory nerve?
Where does the spinal root of the accessory nerve enter the skull?
Where does the spinal root of the accessory nerve enter the skull?
Which muscle is not supplied by the cranial part of the accessory nerve?
Which muscle is not supplied by the cranial part of the accessory nerve?
What could be a consequence of an injury to the spinal part of the accessory nerve?
What could be a consequence of an injury to the spinal part of the accessory nerve?
Which area is prone to injury for the spinal part of the accessory nerve due to its superficial position?
Which area is prone to injury for the spinal part of the accessory nerve due to its superficial position?
What happens when there is a lesion affecting both roots of the accessory nerve?
What happens when there is a lesion affecting both roots of the accessory nerve?
