Practical Flashcards
1
Q
Describe the course of the vertebral artery
A
- Branch from subclavian
- Passes through foramina of transverse process of C6-C4
- Enters skull through foramen magnum
- Unite to form basilar artery
2
Q
What are the 3 divisions of the trigeminal nerve and where do they exit the skull?
A
- V1 ophthalmic - supraorbital
- V2 maxillary - foramen of rotundum
- V3 mandibular - foramen ovale
3
Q
What movement does the superior rectus cause and what is its innervation?
A
- Elevation and adduction
- Oculomotor
4
Q
What movement does the medial rectus cause and what is its innervation?
A
- Adduction
- Oculomotor
5
Q
What movement does the inferior rectus cause and what is its innervation?
A
- Depression
- Oculomotor
6
Q
What movement does the lateral rectus cause and what is its innervation?
A
- Abduction
- Abducens
7
Q
What movement does the superior oblique cause and what is its innervation?
A
- Depression + abduction
- Trochlear
8
Q
What movement does the inferior oblique cause and what is its innervation?
A
- Elevation + abduction
- Oculomotor
