RAD 110 Patient Care Final Exam: The Ultimate Question & Answer Mastery Guide

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RAD 110 Final Exam | RAD 110 Patient Care Final Exam
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The layers of an intensifying screen in order are:
a. base, white reflecting layer, emulsion, protective coating
b. white reflecting layer, protective coating, active layer, base
c. base, white reflecting layer, active layer, protective coating
d. active layer, base, white reflecting layer, protective coating -
ANSWERS--c. base, white reflecting layer, active layer, protective
coating


A material that gives off light when struck by x-ray photons is called:
a. silver bromide
b. a phosphor
c. an intensifier
d. a reflective laver - ANSWERS--b. a phosphor


In places where a large amount of radiation got through the patient's
body, the intensifying screen would give off _________ of light, and
this area on the radiograph would be developed as ________
a. a large amount, black
b. a small amount, white - ANSWERS--a. a large amount, black

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Which are the two main (most important) parts of an intensifying
screen?
a. base and emulsion
b. base and active layer
c. emulsion and active layer
d. active and protective layer - ANSWERS--b. base and active layer


Delayed light emission of an intensifying screen after the x-ray
photons have been turned off is called:
a. afterburn
b. luminescence
c. fluorescehce
d. phosphorescence - ANSWERS--d. phosphorescence


Which one of these is the rain-drop phenomenon that causes a
mottled appearance on the radiograph arid is caused from using a
intensifying screen that is very fast.
a. afterglow
b. light diffusion
c. quantum mottle
d. fluorescence - ANSWERS--c. quantum mottle


Fast screens emit ________ light than slow screens.
a. more

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b. less - ANSWERS--a. More


Changing from a slower screen to a faster screen will have what
effect on the patient's radiation dose?
a. it will increase the dose
b. it will decrease the dose - ANSWERS--b. it will decrease the dose


The part of the active layer of an intensifying screen that produces
light is the
a. white reflecting surface
b. protective coat
c. silver bromide
d. phosphor - ANSWERS--d. phosphor


An area of poor screen contact occurs
a. when there is a decreased distance between the screen and the
film inside the cassette m
b. when there is an increased distance between the screen and the
film inside the cassette - ANSWERS--b. when there is an increased
distance between the screen and the film inside the cassette


Changing from a slower screen to a faster screen will have what
effect on density? (Assuming no changes have been made in
technique)
a. it will increase it
b. it will decrease it - ANSWERS--a. it will increase it

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A relative speed value of 100 corresponds to a
a. detail screen
b. slow speed screen
c. detail speed screen
d. high speed screen
e. par speed screen - ANSWERS--e. par speed screen


The ability of a material to give off light when struck by x-rays is
called
a. afterglow
b. screen lag
c. fluorescence
d. phosphorescence
e. luminescence - ANSWERS--e. luminescence


Increasing the speed of an intensifying screen also increases
a. the patient's dose
b. contrast
c. light diffusion
d. recorded detail
e. Both b and c - ANSWERS--e. Both b and c