Standard Cervical Views

Question 1

AP Open Mouth: Source to Image Distance

Answer 1

40”

Question 2

AP Open Mouth: Image Receptor Size

Answer 2

Smallest Available (8x10 or 10x12”)

Question 3

AP Open Mouth: Patient Positioning

Answer 3

The patient’s mouth is fully open with his or her skull touching the grid

Question 4

AP Open Mouth: Collimation

Answer 4

To the tips of the nose and chin vertically, and the mastoid process horizontally

Question 5

AP Open Mouth: Central Ray Position

Answer 5

Center of the patient’s mouth

Question 6

AP Open Mouth: Marker Placement

Answer 6

Usually below the ear

Question 7

AP Open Mouth: Breathing Instructions

Answer 7

Exhalation (“Don’t Breathe and Don’t Move”)

Question 8

AP Lower Cervical: Source to Image Distance

Answer 8

37”

Question 9

AP Lower Cervical: Tube Tilt

Answer 9

15 degrees cephalic

Question 10

AP Lower Cervical: Patient Positioning

Answer 10

Patient is placed with back to the grid and into extension so that the base of the skull and mandible are in line with each other

Question 11

AP Lower Cervical: Central Ray Position

Answer 11

Middle of the cervical spine (About C4 or at level of thyroid cartilage)

Question 12

AP Lower Cervical: Collimation

Answer 12

10” vertically, and to the soft tissues of the neck horizontally

Question 13

AP Lower Cervical: Marker Placement

Answer 13

Usually below the ear

Question 14

AP Lower Cervical: Breathing Instructions

Answer 14

Exhale (“Don’t Breathe and don’t move)

Question 15

Neutral Lateral Cervical: Patient Measurement

Answer 15

Laterally, approximately at C4 or the level of the thyroid cartilage

Question 16

Neutral Lateral Cervical: Source to Image Distance

Answer 16

72”

Question 17

Neutral Lateral Cervical: Tube Tilt

Answer 17

None

Question 18

Neutral Lateral Cervical: Image Receptor Size

Answer 18

Smallest image receptor available (8x10” or 10x12”)

Question 19

Neutral Lateral Cervical: Patient Positioning

Answer 19

Patient stands 90 degrees to the image receptor with mouth closed. One shoulder is touching the receptor holder.

Question 20

If curvature is noted on the AP views, the side of curve’s convexity is placed _______ the image receptor holder

Answer 20

Toward

Question 21

Neutral Lateral Cervical: Central Ray Position

Answer 21

Middle of the cervical spine, approximately at C4 or level of thyroid cartilage

Question 22

Neutral Lateral Cervical: Collimation

Answer 22

8” x 10” ensuring that eyes are not within the collimation field

Question 23

Neutral Lateral Cervical: Marker Placement

Answer 23

Usually below the mandible; The side of the patient that is touching the image receptor holder indicates the marker that is used

Question 24

Neutral Lateral Cervical: Breathing Instructions

Answer 24

Suspended full exhalation and depression of shoulders (“Breathe all the way out, and drop your shoulders, toward the floor”)