17 Questions
What is the course of the abducens nerve after entering the cavernous sinus?
Runs along the internal carotid artery
Which extraocular muscle does the abducens nerve supply?
Lateral rectus
What is the main function of the lateral rectus muscle when stimulated by the abducens nerve?
Abducts the eye
In which part of the skull does the abducens nerve enter after moving up the posterior cranial fossa?
Petrous part of temporal bone
Where does the abducens nerve supply the lateral rectus muscle?
Superior orbital fissure
Which dural sinus houses the abducens nerve on its course?
Cavernous sinus
What is the function of the abducens nerve?
Mediate eye movements to the lateral side
Through which structure does the abducens nerve pass within the cavernous sinus?
Dorello's Canal
Where would an aneurysm in the internal carotid artery cause damage to the abducens nerve?
Cavernous Sinus
What is the consequence of 6th nerve palsy?
Unilateral External Strabismus At Rest
Which major artery runs alongside the abducens nerve in the cavernous sinus?
Internal Carotid Artery
What type of damage to the orbital fissure can potentially affect the abducens nerve?
Aneurysm
Which cranial nerve supplies the lateral rectus muscle?
Cranial Nerve VI
What is the result of lesions affecting the abducens nerve?
Inability to move the eye laterally
Which cranial nerve runs through the cavernous sinus along with the internal carotid artery?
Cranial Nerve VI
Which extraocular muscle is affected when the lateral rectus cannot contract?
Medial rectus
Which cranial nerve supplies the superior oblique muscle?
Cranial Nerve IV
Test your knowledge about the nerves running through the cavernous sinus, including CN III, CN IV, CN V1, and CN V2. Learn about LR6, SO4, ATR3 mnemonic for nerve supply. Figure 5.Contents of the Cavernous Sinus and its wall 2 of 4 NEURO PHYSIOL...
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