Flashcards in Fall 07-08 Deck (24)
which is the largest contributor to the average persons annual exposure from man made sources
in the average which of the following accounts for over 50% of the typical person's annual radiation exposure
what makes x-ray potentially dangerous
they are ionizing
which of the following travels at less than the speed of light
alpha particles are most harmful in people when they do what with them
the first radiographic print was on what body part?
kV is the primary controlling factor for which of the following?
where would you apply the inverse square law
when changing the tube distance
the initials FFD TFD and SID refer to what
the distance between the source of the x-ray and the film
what does P in the kVp stand for?
the number of electrons is controlled by the
low voltage circuit
what connects the transformer with the tube?
about what percent of the energy from the process of producing x-rays is given off as heat
which is the minimum anode angle that can be used if you were going to take a 14 x 36 full spine film?
if you looked into the port of a used x-ray tube and saw that the entire surface of the anode had bumps what would best describe its condition
when x-rays are produced which of the following is responsible for the true attenuation of any part of the x-ray beam
which structure is responsible for confining the cloud of electrons
the focusing cup
the purpose of the collimator shutters is to
absorb unneeded x-rays
what is used to tell us that the x-ray beam is centered to the part being radiographed
the light and mirror
which is the most common reason that compensating filtration is used
the reduce film density
which of the following parts of the tube complex contains lead
the tube housing
what is the best way to identify patients films
a flash on label BEFORE processing
an acute exposure of four rads would probably have which effect on pregnancy females fetus