Coffee #2 Document Questions pt. 2

Question 1

Which foramen borders petrous portion of temporal bone?

a. Lacerum
b. Spinosum
c. Rotundum
d. Ovale

Answer 1

a. Lacerum

Question 2

The floor of the orbit is made of processes from what 3 bones?

Answer 2

Maxilla
Zygomatic
Palatine

Question 3

For cranial base superimpositions, what are the landmarks?

Answer 3

Anterior clinoid
Greater wing of sphenoid
Cribiform plate

Question 4

Review questions #56-68 on page 4

Answer 4

?

Question 5

Which does not go through Superior Orbital Fissure?

a. Maxillary nerve
b. Otpthalmic vein
c. Occulomotor nerve
d. Trochlear nerve
e. Abducens nerve

Answer 5

Maxillary nerve

Question 6

Which of the following structures points at the point where the nerve that innervates the lower lip comes out of the mandible

Answer 6

Mental foramen at area of premolars on the lateral ceph

Question 7

What muscle draws the corners of the mouth laterally when smiling?

Answer 7

Risorius

Question 8

Which muscle pulls lip up when smiling

Answer 8

Labialis superioris

Question 9

Function of temporalis?

Answer 9

Close and retrude mandible

Question 10

Cranial nerve 12…

Answer 10

Hypoglossal canal

Question 11

Which of the following anatomic structures is frequently superimposed on peripaical or occlusal radiographs of the anterior maxilla

a. Maxillary sinus
b. Vomer
c. Anterior nasal spine
d. Cribiform plate

Answer 11

c. Anterior nasal spine

Question 12

Which of the following structures do NOT appear radiolucent on a radiograph?

a. Median Palatine Suture
b. Anterior nasal spine
c. Mandibular canal

Answer 12

b. Anterior nasal spine

Question 13

Which of the following structures appear radiolucent on an oral radiograph:

1. Medial Palatine suture
2. Anterior nasal spine
3. Mandibular canal
4. Genial Tubercles
5. Hamular Process
   a. 1&3 only
   b. 1, 3, & 5
   c. 4&5 only
   d. 2&3 only

Answer 13

a. 1 & 3 only

Question 14

Which of the following landmarks is NOT recognizable in periapical radiographs of the mandible

a. External oblique ridge
b. Coronoid process
c. Mylohyoid ridge
d. Mental foramen

Answer 14

b. Coronoid process

Question 15

The radiopacity that frequently obliterates the apices of maxillary molars when using bisecting principle of intra-oral radiography is the:

a. Zygoma and the zygomatic process of the maxilla
b. Orbital process of the zygomatic bone
c. Palatine bone and the zygoma
d. Maxillary sinus

Answer 15

a. Zygoma and the zygomatic process of the maxilla

Question 16

T/F
The anterior clinoid is a sagittal structure.
The anterior clinoid is the posterior part of the lesser wing of the ethmoid bone

Answer 16

First statement is True

Second statement is false

Question 17

What two bones meet at Articulare?

Answer 17

Mandible

Temporal

Question 18

When looking at a ceph, what is level with Frankfort Horizontal?

a. Zygomatic arch
b. Go-Gn
c. S-N
d. ANS-PNS

Answer 18

Zygomatic arch

Question 19

What bones form the Lambdoidal suture

Answer 19

2 Parietal and one occipital

Question 20

Origin and Insertion of Digastric muscles (anterior & posterior)

Answer 20

Anterior
   O: inferior mandible
    I: Hyoid (via tendon)
Posterior
   O: Digastric notch behind mastoid process
   I: hyoid

Question 21

A muscle that inserts on the mandible is the?

a. Anterior belly of the digastric
b. Posterior belly of the digastric
c. Hyoglossus
d. Thyrohyoid
e. Superior belly of the omohyoid

Answer 21

a. Anterior belly of the digastric

Question 22

Which bone is not a part of the orbit?

a. Sphenoid
b. Frontal
c. Vomer
d. Maxilla

Answer 22

c. Vomer

Question 23

Which of the facial bones are not paired?

a. Palatal
b. Maxilla
c. Vomer
d. Nasal

Answer 23

c. Vomer

Question 24

What is the origin of the medial pterygoid muscle?

a. Lateral pterygoid plate of Sphenoid
b. Condyle
c. Ramus

Answer 24

a. Lateral pterygoid plate of Sphenoid

Question 25

From which bone does the medial pterygoid muscle arise from the pterygoid fossa? a. Sphenoid b. Ethmoid c. Temporal d. Nasal

Answer 25

a. Sphenoid

Question 26

Attachment of superior head of the lateral pterygoid

Answer 26

From the sphenoid to disc of TMJ

Question 27

The muscle to protrude the mandible is?

Answer 27

The lateral pterygoid

Question 28

The muscle to protrude the tongue is?

Answer 28

Genioglossus

Question 29

What bone bridges the cranial base and the facial skeleton? a. Sphenoid b. Maxilla c. Temporal d. Frontal

Answer 29

a. Sphenoid

Question 30

Which bones have air in them? a. Ethmoid b. Temporal c. Sphenoid d. Frontal e. All of the above

Answer 30

e. All of the above

Question 31

Where does the frontal sinus drain? a. Inferior nasal meatus b. Middle nasal meatus c. Superior nasal meatus d. All of the above

Answer 31

b. Middle nasal meatus

Question 32

The hammock ligament is related to: a. Eruption b. The TMJ c. The digastrics

Answer 32

a. Eruption

Question 33

The parts of the sphenoid bone include all of these EXCEPT: a. Anterior clinoid process b. Dorsum Sellae c. Cribiform plate d. Hypophyseal fossa

Answer 33

Cribiform Plate

Question 34

Which of the below is the posterior border of the maxillary tuberosity a. posterior part of the pterygomaxillary suture b. anterior part of the pterygomaxillatry suture

Answer 34

b. anterior part of the pterygomaxillary suture

Question 35

Which of the below is the anterior border of the pterygoid plate a. posterior part of the pterygomaxillary suture b. anterior part of the pterygomaxillary suture

Answer 35

a. posterior part of the pterygomaxillary suture

Question 36

Which suture is NOT at the posterior border of the maxillary tuberosity? a. Zygomatico b. Pterygoid c. Palatine d. Sphenoid e. none of the above

Answer 36

Zygomatico or none of the above

Question 37

Which part of the maxilla does growth increase the arch length? a. Condyle b. Tuberosity c. Alveolus

Answer 37

b. Tuberosity

Question 38

The cribiform plate is part of which bone? a. Sphenoid b. Ethmoid c. Mastoid d. Temporal

Answer 38

b. Ethmoid

Question 39

What is the posterior border of the foramen magnum called on a cephalogram

Answer 39

Opisthion

Question 40

Where is the articular tubercle located relative to the sigmoid notch? a. Anterior b. Posterior c. Middle

Answer 40

b. Posterior

Question 41

Where does the temporal bone appear on a PA ceph? a. Superiorly 1/3 of orbit b. Middle 1/3 of orbit c. Inferior 1/3 of orbit

Answer 41

b. Middle 1/3 of orbit

Question 42

What is the smallest bone in the head? a. Lacrimal b. Frontal c. Stapes d. Mandible

Answer 42

c. Stapes

Question 43

What is the lacrimal sac between? a. Maxilla and lacrimal bones b. Lacrimal and ethmoid bones

Answer 43

a. Maxilla and lacrimal bones

Question 44

Which is most closely associated with opisthion? a. Bolton b. Basion c. Condylion d. Occipital condyle

Answer 44

b. Basion

Question 45

What is opisthion?

Answer 45

Most posterior point on foramen magnum

Question 46

The midpoint between the anterior and posterior clinoid process is the ?

Answer 46

Sella Turcica

Question 47

The posterior point of the anterior cranial base is the: a. Sphenoid b. Basion c. Sella Turcica

Answer 47

Sella Turcica

Question 48

The point furthest away from glabella is? a. A point b. B point c. Subspinale d. Pogonion

Answer 48

d. Pogonion

Question 49

Which is mid-sagital?

Answer 49

Crista galli

Question 50

The temporalis muscle acts as a. Periosteal b. Capsular c. Neurocranial d. Orofacial e. Genetic matrix upon the coronoid process

Answer 50

a. Periosteal

Question 51

The parotid duct enters the oral cavity by penetrating through the: a. Orbicularis oris b. Zygomaticus major c. Buccinator d. Risorius e. Masseter

Answer 51

c. Buccinator

Question 52

A pt. presents with an asymmetrical face with sunken areas over the left side of the ramus of the mandible and a prominent left zygomatic arch caused by muscle atrophy superior to the arch. what diagnosis?

Answer 52

Lesion of the mandibular division of the trigeminal nerve