Radiography: IMAGE PRODUCTION
UPDATED ACTUAL Exam Questions and
CORRECT Answers
Atom - CORRECT ANSWER - What is the smallest particle of an element that retains the
characteristic of the element?
The number of protons plus the number of neutrons - CORRECT ANSWER - What is
Atomic Mass?
Photons - CORRECT ANSWER - X-rays travel as bundles of energy called:
Amplitude - CORRECT ANSWER - The height of a sine wave is called:
Frequency - CORRECT ANSWER - The number of x-ray waves passing a given point per
unit time is called:
Autotransformer - CORRECT ANSWER - What transformer operates on the principle of
self- induction?
1/1000 second - CORRECT ANSWER - How short of an exposure is possible with
electronic timers?
Automatic exposure control - CORRECT ANSWER - What device may be used to ensure
consistency of radiographic quality from one exposure to the next
?
, the exposure is terminated - CORRECT ANSWER - When a predetermined level of
ionization is reached in the ionization chamber, what does the machine do?
falling load generator - CORRECT ANSWER - What type of x-ray machine users a
continually decreasing mA for the shortest times possible?
falling load generator - CORRECT ANSWER - An x-ray machine that makes maximum
use of heat loading potential uses a(n):
Transformers - CORRECT ANSWER - What components of the x-ray circuit operate on
the principle of mutual induction?
step-up transformer - CORRECT ANSWER - What transformer is used in the high-voltage
section of the x-ray circuit?
Rectifier - CORRECT ANSWER - The device in the x-ray circuit that changes AC to DC
is the:
Direct Current - CORRECT ANSWER - What type of current is required for proper
operation of the X-ray tube?
silicon-based semiconductors - CORRECT ANSWER - Modern rectifiers are made of:
Electron Cloud - CORRECT ANSWER - The result of thermionic emission is a(n):
Cathode - CORRECT ANSWER - The focusing cup is located at the:
Characteristic - CORRECT ANSWER - An interaction that produces x-rays at the anode
as a result of outer shell electrons filling holes in the K shell is called: