Patient Care
The most effective method used to prevent the spread of infection is.
What is proper hand hygiene?
Sievert is calculated by multiplying gray by
What is WR (Radiation weighted factor)
X-rays travel as bundles of energy called
What is photons?
Body habitus that is considered slender-built?
What is Asthenic?
Barrier must be at least 1/16 in Pb equivalent?
What is Primary protective barrier?
The winged infusion set used for venipuncture is.
What is butterfly?
The following produces scatter radiation that exist the patient and may fog the image.
What is Compton scatter?
A transformer that is used to select kVp for the X-ray circuit is.
What is an autotransformer? (This is a variable transformer that operates on the principle of self-induction.
The Central Ray for an AP Projection of the hip is
What is directed 2.5 in distal on a line drawn perpendicular to the midpoint of a line between the symphysis pubis and the ASIS.
A concept of rad procedures to keep radiation to a min
what is ALARA?
Barium sulfate is classified as.
What is Inert inorganic salt
The only photon-tissue interaction that does not result in ionization?
What is coherent scatter?
The x-ray beam changes as it travels through the patient by a process called.
What is Attenuation?
Condition that is commonly caused by acute hyperextension of the head on the neck and a fracture of the arch of C2?
a. Jefferson fc b. Hangman fc c. Spondylolysis d. Spinia bifida
What is Hangman Fracture?
A cumulative occupational exposure for a 22yr radiographer is?
220mSv (multiply years of age by 10)
This condition occurs secondary to heart failure or interference with heart function.
a.anaphylaxis b.cardiogenic shock c.hypovolemic shock d. septic shock
what is cardiogenic shock?
Graph that shows the relationship between the dose of radiation received and incidence of effects?
What is Dose-response curves?
A TRansformer that has more turns in the secondary coil than in the primary coil is called?
a. step-up transformer b. autotransformer c. step-down transformer d. filament transformer
What is step-up transformer (voltage is stepped up while current is stepped down in the same proportion. A transformer is named for what it does to voltage)
For RPO and LPO positions fro sacroiliac joints, you shoud?
What is image the joint farthest from the image receptor?
Exposure times longer than blank minutes can lead to skin effects?
What is 30 minutes?
Which of the following requires that all equipent and personnel be carfully covered?
a.airborne precations b. contact c droplet d. patients with neutropenia
What is patients with nautropenia?
Agency that enforces radiation protection standards relating to radioactive material at thhe federal lvl is
What is NRC (Nuclear Regulatory Commission)
This changes AC to DC.
a.step-down transformer b. rectifier c. Cathode d. timer
What is a rectifier? (This changes incoming alternating current from the power company into direct current for use by the X-ray tube.
A comminuted fracture of the ring of the atlas that involves both anterior and posterior arches and causes displacement of the fragments.
What is Jefferson Fracture?
If SID is halved, what may be said about receptor exposure?