Skull Chapter

Question 1

What skull type is average in size?

Answer 1

Mesocephalic

Question 2

What skull type is narrow in size?

Answer 2

Dolichocephalic

Question 3

The petrous pyramids project…

Answer 3

Anteriorly and medially at a 47 degree angle

Question 4

In a Towne projections, if the IOML is perpendicular, what angl should be used?

Answer 4

37 degrees caudad

Question 5

In a Townes projection, if the OML is perpendicular to the IR, what angle should be used?

Answer 5

30 degrees caudad

Question 6

What is demonstrated clearly on a skull Towne projection?

Answer 6

Foramen Magnum
Dorsum sellae
Posterior clinoid process

Question 7

What is demonstrated clearly on a skull Haas projection?

Answer 7

Petrous Ridges
Foramen Magnum
Dorsum sellae
Posterior clinoid process

Question 8

The skull Haas projection has an angle of…

Answer 8

25 degrees cephalad

Question 9

What line is parallel with the IR on an SMV of the cranial base?

Answer 9

IOML

Question 10

What is clearly demonstrated on a SMV of the cranial base?

Answer 10

Mastoid process, sphenoid process, Carotid canals

Question 11

Bones in calvarium

Answer 11

Ethmoid
Sphenoid
Temporal

Question 12

Areas of incomplete ossification in a newborn

Answer 12

Fontanels

Question 13

Where does the pituitary gland rest?

Answer 13

Superior aspect of sphenoid bone

Question 14

Name of occipital bone openings for passage of blood vessels and nerves?

Answer 14

Jugular foramina

Question 15

The roof of the mouth is formed by:

Answer 15

Maxillae

Palatine bone

Question 16

TMJ is what type of joint?

Answer 16

Synovial joint

Hing and slide

Question 17

What is demonstrated in a Towne of the skull?

Answer 17

Petrous pyramids
Occipital bone
Posterior portion of foramen Magnum

Question 18

What bones are in the bony orbit?

Answer 18

Sphenoid
Frontal
Zygomatic
Ethmoid
Lacrimal
Maxilla
Palatine
    (Total of 7)