RT 50 Test 1 revised
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The radiologic technology program is accredited by what organization?
Joint Review Committee on Education in Radiologic Technology (JRCERT)
What rganization represent National RT? State?
National: American Society of Radiologic Technologist (ASRT)
State: California Society of Radiologic Technologist (CSRT)
What orcanization is responsible for the National certification?
What organization is responsible for the State certification?
- National: American Registry of Radiologic Technologist (ARRT)
- Title: Registered Technologist, RT (R)
- State: California Radiation Health Branch (RHB)
- Title: Certified Registered Technologist, CRT
Definition: Technical science that deals with the use of X-rays for diagnostic/therapeutic purposes.
Definition: A health are professional who is skilled in the theory and practice of the technical aspects of the use of X-rays.
Definition: Physician who specializes in the medical science of X-ray.
Definition: An upright positiion, arms adducted, palms forward, head and feet directly striaght ahead.
Definition: A processed image of an anatomic part of a patient, produced by action of x-rays on and IR.
Definition: The production of radiographs and or other forms of radiographic images.
Definition: Anatomy as recorded on the IR.
Definition: Not permitting the passage of x-rays (bone and lead)
Definition: Permitting the passage of x-rays (air and fat).
Definition: Process of removing an electron from an atom.
Definition: Energy emitted and transferred through matter.
Definition: A radiographic device used to measure body part thickness.
Definition: Center of the x-ray beam.
Central Ray (CR)
Definition: The median use to capture the radiographic image for recording.
Definition: Plane that divides the body into right and left parts.
Definition: Plane that divides the body into equal right and left parts.
Definition: Plane that divides body into anterior and posterior parts.
Definition: Plane that divides body into equal anterior and posterior parts.
Definition: Any plane that cuts the body at right angles to the longitudinal plane, dividing the body into superior and inferior portions.
Definition: The front structure, also called ventral.
Definition: The back of a structure, also called dorsal.
Definition: Refers to the sole or posterior surface of the foot.
Definition: Refers to top or anterior surface of the foot.
Definition: Refers to direction x-ray beam is traveling.
Definition: The central ray enters posterior surface, then exit anterior.
Definition: The central ray enters anterior surface, then exit posterior.
Definition: Lying on the back, facing upward.
Definition: Lying on abdomen, facedown.
Definition: An upright position, to stand or sit erect.
Definition: Lying down in any position.
Definition: Recumbent with head lower than feet.
Definition: Recumbent with feet lower than head.
Definition: Patient or part is on its side, side closest to the IR.
Definition: Patient or part is at a slanting direction from the horizontal or perpendicular.
Definition: Lying down with a horizontal x-ray beam.
Definition: Closest to the median plane or the center.
Definition: Away from the center or the median plane.
Definition: Nearer to the trunk of the body.
Definition: Away from the trunk of the body.
Definition: Toward the feet or away from the head.
Caudal oe caudad
Definition: Toward the head of the body.
Cranial or cephalic
Definition: Higher than, or above.
Definition: Beneath, lower or below.
Definition: On the same side.
Definition: On the opposite side.
Definition: Decreases the angle of the joint.
Definition: Increases the angle of the joint.
Definition: To turn aside or to turn away from.
Definition: Foot moves toward its top or dorsum.
Definition: Extension of the foot.
Definition: Away from body midline.
Definition: Toward the body midline.
Definition: Palm of hand up.
Definition: Palm of hand down.
Position: Patient is in a prone position with the anterior right shoulder touching the IR. Which part of the body is in contact with the IR? What is the projection?
Right anterior oblique (RAO)
RAO projection is equal to _____ projection?
LAO projection is equal to _____ projection?
RAO = LPO
LAO = RPO
Two positioning rules or principles:
- minimum of two projections
- - minimum of three projections when joints are in prime interest area:
- - AP or PA
- - Lateral
- - Oblique
Who is the German physicist that discover radiology? Date?
Wihelm Conrad Roentgen
November 8, 1895
Experimented with Crooks tube
"x" for unknown
First radiograph was of his wife's hand, took 15 min to produced.
Modality: Use radiation (x-rays) to produce black and white images of anatomy.
Modality: Use a special type of x-ray equipment to measure bone mineral density at a specific anatomical site such as the wrist, spine, or hip.
Modality: Use sophisticated imaging techniques such as biplane Fluoroscopy to help guide catheter, stents, or other tools through the body.
Angiography, vessels, contract
Modality: Produces cross-sectional images by first scanning a slice of tissue from multiple angles with a narrow x-ray beam.
Modality: A strong magnet and the use of radiofrequencies produce sectional images.
Magnetic resonance imaging (MRI)
Modality: Images produces by sound waves emitted from a transducer and echoed back to produce an image.
Modality: Produce diagnostic images of the breast tissue using special equipment.
Modality: Technologist that administer trace amounts of radiopharmaceuticals to a patient to obtain functional information about organs, tissues, and bone.
Fusion Imaging consists of:
- Position Emission Tomography/ Computed Tomography
- Position Emission Tomography/ MR
- PET/ MR
Modality: Use standardized data collection methods, information analysis tools and data analysis methods to monitor the quality of the systems in the radiology department.
Modality: A special application of imaging, in which a florescents screen or image intensifier tube is connected to a closed-circuit television system, which allows real-time imaging of structures in motion with a contrast agent.
Modality: Administer targeted doses of radiation to the patient's body to treat cancer or other diseases.
Beam limiting device, controls the size of the radiation field.
Aligning the tube and Bucky.
Equipment: Cassettes or images receptor sizes:
8x10, 10x12, 11x14, 14x17
Equipment: (kVp) and (mA)
Kilovoltage (kVp). 1kv = 1000 volts. Controls quality of radiation
Milliaperage (mA). 1 mA = 1/1000 amp. Controls quantity of radiation
mA x (s) = mAs
Ex: (100 mA x 0.1 sec. = 10 mAs)
Three Principles of Radiation Protection:
- Time: keep exposure to a minimum
- X-rays (photons) travel at the speed of light
- Human senses can not detect radiation
Distance: inverse square law - the intensity of radiation is inversely proportional to the square of the distance.
Shielding: aprons, gloves, control panel. (lead, Ph)
Kidney Ureter Bladder (KUB)
- 14x17 cassette, lengthwise
- Center at the level of the iliac chest
- Breathing instructions = expiration
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