Surface anatomy and the skull

Question 1

What are the 5 major features of the mandible

Answer 1

• Ramus of the mandible
• Mandibular notch
• Body of the mandible
• Mental foramen
• Mandibular foramen

Question 2

Which bones all contain air sinuses

Answer 2

Maxilla, frontal, sphenoid

Question 3

Describe the temporomandibular joint at rest

Answer 3

Head of condylar process lies in the mandibular fossa (depression on the under-surface of the temporal bone)

Question 4

Describe the temporomandibular joint when in use

Answer 4

• Condylar head moves forward onto the articular eminence
• Anterior dislocation if condylar head slips in front of the articular eminence

Question 5

What are the major features of the oral cavity

Answer 5

• Bounded by dental arches and the oropharyngeal isthmus
• Frenula - folds of mucosa between gingiva and cheek/lips
• Frenulum - Limits how much you can lift your tongue
• Sublingual folds

Question 6

How many parts is the tongue comprised of and what are they

Answer 6

• 2/3 anterior
• 1/3 posterior

Question 7

What is the sulcus terminalis

Answer 7

V-shaped boundary between anterior and posterior tongue

Question 8

How many parts is the palate comprised of and what are they

Answer 8

• Anterior hard palate
• Posterior soft palate

Question 9

What is in the soft palate

Answer 9

• Muscular
• Tendinous

Question 10

What bones form the border between the soft and hard palate

Answer 10

Palatine bones

Question 11

What are the bony parts of the hard palate

Answer 11

• Palatine process of maxilla
• Horizontal plate of palatine bone

Question 12

Where is the greater palatine foramen found

Answer 12

Between maxilla and palatine bone

Question 13

What is the anterior triangle of the neck bound by

Answer 13

• Anterior border of the sternocleidomastoid muscle
• Inferior border of the mandible
• Midline of the neck

Question 14

What is the posterior triangle of the neck bound by

Answer 14

• Posterior border of the sternocleidomastoid muscle
• Anterior border of the trapezius muscle
• Middle 1/3 of the clavicle

Question 15

Where are the sternocleidomastoid muscles found

Answer 15

Start at the clavicle and sternum

Question 16

Where is the hyoid bone found

Answer 16

In the mid-line, a few centre-meters below the chin

Question 17

What is the larynx

Answer 17

• ‘Voice-box’
• Tube-like structure running down the neck, between the sternocleidomastoid muscles

Question 18

What are the pulse points in the head and neck

Answer 18

1. Temporal pulse (superficial temporal artery)
2. Temporal pulse (anterior branch of superficial temporal artery)
3. Carotid pulse
4. Facial pulse