Skull

Question 1

Which bones are part of the cranium

Answer 1

Maxillary

Question 2

The bony prominence on the frontal bone between the eyebrows is called

Answer 2

Glabella

Question 3

Which of the following is the positioning landmark located at the junction of the nose and upper lip

Answer 3

Acanthion

Question 4

Which bones contain paranasal sinuses

Answer 4

Frontal bone, ethmoid bone, maxilla

Question 5

When a PA projection of the skull is performed the centeral ray is directed

Answer 5

Perpendicular to the ir

Question 6

A projection of the skull in which the sagital plane is parallel to the ir and the Interpupillary line is perpendicular to the ir is a

Answer 6

Lateral projection

Question 7

When the patient is supine the sagittal plane of the skull is perpendicular to the ir the MML is perpendicular exiting through the acanthion the resulting radiography will demonstrate the

Answer 7

maxillary sinuses

Question 8

When the patient is supine, the sagital plane of the skull is perpendicular to the ir and the central ray is angled 30 degree caudad the resulting radiograph will demonstrate

Answer 8

Posterior parietal bones and occipital bone

Question 9

When patient is prone the sagittal plane of the skull is perpendicular to the ir the orbitomeatal line is perpendicular to the IR and the central ray is angled 25 degree caudad the resulting. Radiograph will demonstrate the

Answer 9

Frontal bones

Question 10

When the right and left halves of the skull do not appear symmetric on a PA or an AP projection this is a sign that

Answer 10

The sagittal plane is not perpendicular to the IR

Question 11

A blowout fracture involves

Answer 11

Floor of the orbit

Question 12

The projection that will demonstrate all of the paranasal sinuses

Answer 12

Lateral projection

Question 13

Bones that make up the cranium

Answer 13

Frontal occipital right, right and left parietal , right and left temporal , sphenoid, ethmoid

Question 14

Which cranial bone contain the auditory canal

Answer 14

Petrous potion

Question 15

Bones that make up the orbit

Answer 15

Frontal bone , ethmoid bone, lacrimal bone, maxilla, zygoma

Question 16

Bones that contain the paranasal sinuses

Answer 16

Maxilla,ethmoid bone, sphenoid bone,and the frontal bone

Question 17

Name a projection that demonstrate the cranial base

Answer 17

Submentovertical projection

Question 18

Name 2 projection that demonstrate the maxillary sinus

Answer 18

Waters and lateral projection

Question 19

Describe the skull positioning landmark called glabella

Answer 19

The bony prominence on the frontal bone between the eyebrows

Question 20

Describe the skull positioning landmark the nasion

Answer 20

The anterior depression in the midline of the skull between the orbit

Question 21

Describe the skull positioning called the acanthion

Answer 21

The point located at the junction of the nose and the upper lip that correspond to the nasal spine . The prominence in the center of the lower margin of the anterior mandibular body

Question 22

Describe the skull positioning landmark called the mental point

Answer 22

The prominence in the center of the lower margin of anterior mandibular body

Question 23

The skull positioning landmark called gonion

Answer 23

The right angle formed by the contour of the inferior posterior ramus also called angle of manidible

Question 24

Describe the positioning detail for PA axial projection of the skull

Answer 24

Sagittal plane of the skull is perpendicular to the center of the IR with forehead and nose resting on the table or against upright Bucky . Beck flexión is adjusted to place OML perpendicular to ir

Question 25

Describe the center ray placement for the PA axial projection of the skull

Answer 25

Angled 15 degrees caudad to center of IR through nasion

Question 26

Describe the positioning of the AP axial projection of the skull

Answer 26

Sagittal plane of the skull is perpendicular to IR with back of head resting in table or against upright Bucky. Neck flexión is adjusted to place OML perpendicular to IR