Exam 1 Flashcards
The more dense a tissue it appears _________ on the film
Lighter
A “series” for insurance company requires how many views
Two, preferable 90 degrees to each other
What is the axial view
There is more than 10 degree tilt between the part and CR
What is the tangential view
The CR is directed so it intersects an object at only one point on the surface. “Skimming” the body part
What views demonstrate air fluid levels
Only available during upright and decubitus views only
How to keep magnification distortion under control
Keep the part as close to the Bucky as possible
Compensate by increasing the SID if there is notable OID than cant be reduced
Mastoid tip is at what level
C1
Thyroid cartilage is at what level
C4
Vertebral prominent
C7
Sternal notch
T2
Sternal angle
T4
Xyphoid Tip
T10
Iliac Crest
L4/L5
ASIS
S2
Greater trochanter
P.S. / Coccyx tip
Ischial tuberosities
Bottom of pelvis
Collimation is important for
Never larger than cassette used
Limits amount of radiation to patient
Controls unwanted “scatter”
During inspiration what motion occurs
Diaphragm moves up in (thoracic area)
Shoulders move up (cervical area)
During expiration what motion occurs
Diaphragm moves up ( lumbar area)
Shoulders move down (cervical area)
What is the purpose of deep inspiration
To inflate the lungs to demonstrate most anatomy for chest xray
What cassette size do u use for digital “direct” radiography
17x17 flat panel detector
What do you do if you use the wrong marker for an xray
Repeat the xray with new one
Where do we place aluminum filter
At the thinnest portion of the intended anatomy
Does the Boomerang compensating device protect the patient
NO it does not