Superficial Neck Flashcards
1
Q
Cranial Nerves that carry parasympathetic fibers
A
III
VII
IX
X
2
Q
Foramens in Cervical Vertebrae
A
- Vertebral foramen (spinal cord)
- Transverse foramen (vertebral artery)
3
Q
Vertebral artery
A
- Vascularizes spinal cord and brain
- branch of subclavian artery
- enters foramen magnum at atlas
4
Q
Atlanto Occipital Joint
A
- Condyloid Synovial joint
- between superior articular facet of atlas and **occipital condyle **
- ****allows “yes” movement
- Jefferson Fracture - compression in cervical region
5
Q
Atlanto-Axial Joint
A
- “No” movment
- 3 Synovial joints:
- (1) between Dens and Anterior arch - Pivot
- (2) between opposing articulations - gliding joint
- Hangman’s Fractures - quadraplegia if spinal cord injured
6
Q
Larynx
A
- Phonating mechanism
- gaurds and maintains patent airway
- between C4-C6
7
Q
3 Cartilages of Larynx (cranial to caudal)
A
- Epiglottic cartilage
- Thyroid cartilage
- Cricoid cartilage
8
Q
Hyoid Bone
A
- from 2nd/3rd pharyngeal arches
- opposite C3/C4
- no articulations, just attachment for **hyoid muscles **
9
Q
Hyoid Muscles
A
- Suprahyoid and Infrahyoid groups
- Functions
- Swallowing
- Accessory Chewing
10
Q
Suprahyoid Muscles
A
- Mylohyoid
- Digastric Muscle
- Stylohyoid Muscle
11
Q
Mylohyoid Muscle
A
- Floor of mouth
- Innervation - CN V3
12
Q
Digastric Muscle
A
-
Anterior Belly - attached to mandible
- Innervation - CN V3
-
Posterior Belly - attached to mastoid process
- Innervation - CN VII
13
Q
Stylohyoid
A
- attached to styloid process and **hyoid bone **
- Innervation - CN VII
14
Q
Trigeminal Nerve
A
- 5th Cranial nerve (CN V)
has 3 major branches V1, V2, V3
15
Q
Infrahyoid Muscles
A
- Sternohyoid
- Sternothyroid
- Thyrohyoid
- Omohyoid (superior/inferior bellies)
- all EXCEPT Thyrohyoid innervated by ansa cervicalis (motor part of cervical plexus)
- Thyrohyoid innervated by C1