Part I Flashcards
Which is the largestcontributor to the average persons annual exposure from man made sources?
Diagnostic X Ray
On the average, which of the following accounts for overs 50% of atypical person’s annualradiation exposure?
Radon
Of the following) what makes X Ray potentiallydangerous?
Ionizing radiation
Which of the followingtravels at less than the speedof light?
Radon
Alpha particles are most harmful in peoplewhen they do what with them?
Inhale them
The first radiographic print was of what body part?
hand
KV is the primary controlling factor for what?
Contrast
When would you apply the inverse square law?
When changing the tube distance
The initials FFD, TFD, SID refer to what?
The distance between the source of the X-ray and the film
What does the p in kVp stand for?
Peak
The number of electrons is controlled by?
Low voltage circuit
About what percent of energy from the process of producing x rays is given off as heat?
99%
What is the minimum anode angle that can be used if you were going to take a 14x36” full spine folm?
15 degrees
If you look into the port of a used x rays tube ano saw the entire surface of the anode had bumps, which of the following best matches this appearance,?
Anode pitting
When x rays are produced, which of the following is responsible for first attenuation of any part of the X-ray ray beam?
Anode
Which structure is responsible for confining the cloud the cloud of electrons?
Focusing cup
The purpose of the collimator shutters is to?
Absorb unneeded x rays
What I’d used to tell us that the X-ray beam is centered to the part being radiographed?
Light and mirror
Which is the most common reason that compensating filtration is used?
Reduce film density
Which of the following parts of the tube complex contains lead?
Tube housing
Which is the best way to identify a patients film?
A flash on label BEFORE processing
An acute exposure of 4 rads would probably have which effect on a pregnant women fetus?
None
Convert 1 millislever to mrems
100 mrems
