Chap 1 Flashcards
(40 cards)
ALARA
As low as reasonably achievable
Projection
How the body part is being examined/ where the central ray enters and exits the patient towards the image receptor
Axil
Angulation of the X-ray tube most commonly by angling the central ray
Cephalic
Towards the feet
Cephalic
Towards the head
Caudal
Towards the feet
Prone
Laying flat on the stomach
Decubitus
Horizontal central ray enters the body on one side and exits on the other
Code of ethics
Consists of 10 statements that serve as a 10 professional behavior guide for RTs
How many rules of ethics are there and what is it ?
22
Mandatory standard ls of minimally professional conduct
Name the three types of motions
Involuntary
Voluntary
Equipment
What are the 4 different types of IR (image receptor l)
•Solid state digital
•Photostimulable storage image plate (PSP IP)
•Fluoroscopic image receptor
•Cassatte tape with film
Name the two types of DR
Tethered
Wireless
What do Grids do?
Reduce scattered radiation to the image receptor (IR)
What is the purpose of positioning aids ?
Used to ensure a body part remains still and in the appropriate posture
What are the three prime technical factors radiographers can control ?
Milliamperage (MA)
Kilovolt peak (KVP)
Exposure time
What are the three general IR positions
Lengthwise 14x 17x
Crosswise 17x 14
Diagonal
What are the measurements of crosswise
17x 14
What are the measurements of lengthwise?
14x 17x
SID measurements
40 inches ( used in most exams)
48 inches (recent increase in many facilities)
72 inches (used with increased OID to reduce image magnification)
If the SID is not mentioned for image quality what is the minimum recommend?
40 inches
SSD
Source to skin distance
What are the two types of accessory equipment?
Positioning aids
Grids
What is included in the exam room?
X-ray machine
Tabletop
Accessories (positioning aids and grids)