AC1 revision (including anatomy)

Question 1

Boarders of the anterior triangle

Answer 1

Midline

SCM

Mandible

Question 2

Boarders of posterior triangle of neck

Answer 2

Medial: SCM (posterior border)

Lateral: Traps

Superiorly: Mastoid process

Inferiorly: Clavicle- middle 1/3

Question 3

Name the 4 sub-triangles of the anterior triangle of neck

Answer 3

• Submandibular (submandibular salivary glands, facial artery & vein)
  
  • Sup: Inferior border of mandible
  • Inferior: Anterior & posteiror Digastric
• Submental (lymph nodes)
  
  • Lat: Anterior Digatric
  • Inf: Hyoid
  • (Medial: midline)
• Carotid (Common carotid bifurcations, IJV, CN X & XI)
  
  • Posterior SCM
  • Sup: Diagastic- posteiror
  • Ant: Omohydoid- superior
• Muscular

Question 4

Name the posterior triangles of neck (& what divides them)

Answer 4

Omohyoid inferior belly is the devision

• Supraclavicular
• Occipital

Structures:

• Phrenic nerve
• Superior trunk brachial plexus
• Accessory nerve

Question 5

Name the types of deep neck fascia

Answer 5

• Pretracheal
• Buccopharyngeal
• Alar fascia
• Carotid sheath
• Investing fascia
• Paravertebral fascia