GXMO Study Guide with Complete Solutions
+5% - ANSWER-For exposure times longer than 10 milliseconds, the maximum
variability of the timer must be maintained within:
2.5 mm Al equiv - ANSWER-X-ray equipment capable or producing 70 kVp or more is
required to have total filtration of at least:
3640 HU - ANSWER-How many heat units (HU) are generated using a high-frequency
generator at 200 mA, 0.10 sec, and 85 kVp?
4 - ANSWER-An x-ray exposure is made using the following factors: 200 mA, 0.02
seconds, 70 kVp, 40 inches SID. The value of the mAs for the exposure is:
40% to 50% - ANSWER-How much can the exposure time be decreased when using
three-phase x-ray equipment
60 Hz - ANSWER-The frequency of alternating current delivered by electric utilities in
the United States and Canada is
A physician - ANSWER-An order for an x-Ray examination is issued by
A radiologist - ANSWER-A specialist who interprets radiographs and performs special
imaging procedures is called
a short scale of contrast - ANSWER-High contrast produced by low kVp results in an
image with
adjust the control for fluctuation in the electric supply - ANSWER-The purpose of a line
voltage compensator is to
ASRT - ANSWER-The curriculum for limited x-Ray machine operators is published by
the
ASRT - ANSWER-The largest professional organization for radiologic technologists is
the
attenuation - ANSWER-The absorption of x-rays by matter is called
Automatic exposure control (AEC); Anatomically programmed radiography (APR) -
ANSWER-For which type of x-ray generator can the exposure factors from the
technique chart be programmed into the system
back-up timer - ANSWER-If the AEC fails during the exposure, the ______ will
terminate the exposure
, Bremsstrahlung interactions - ANSWER-The majority of photons in the x-ray beam are
created by which process?
Cassette and film - ANSWER-The image receptor (IR) system may consist of the
following.
Central ray - ANSWER-A line that is perpendicular to the long axis of the x-ray tube and
is in the center of the x-ray beam is called
Change alternating current (AC) into direct current (DC) - ANSWER-The purpose of a
rectifier in an x-ray circuit is to
collimator - ANSWER-The device that allows the limited operator to vary the size of the
radiation field is called the
computed radiography (CR) - ANSWER-A type of fimless x-ray system that produces
digital images is called
contrast - ANSWER-The difference in radiographic density between any two adjacent
portions of the image is called
control booth - ANSWER-The x-ray room has an area that protects the limited operator
from scatter radiation and is called the
Crookes - ANSWER-Roentgen discovered x-rays while working with a ______ tube.
decreased contrast - ANSWER-Fog affects radiographic quality by causing
detail - ANSWER-Motion of the patient, either voluntary or involuntary, during the
exposure will result in decreased
detent - ANSWER-the mechanism on the x-ray tube crane that provides "stops" in a
specific location is the
Difference - ANSWER-The answer to a subtraction problem
distortion - ANSWER-a misrepresentation in the size or shape of the structure being
examined is called:
Dividend - ANSWER-In a division problem, the number that is divided
Divisor - ANSWER-The number by which the dividend is divided
Electric circuit - ANSWER-The term for a continuous path of flow of the electric charges
from the power source through one or more electric devices and back to the source is
+5% - ANSWER-For exposure times longer than 10 milliseconds, the maximum
variability of the timer must be maintained within:
2.5 mm Al equiv - ANSWER-X-ray equipment capable or producing 70 kVp or more is
required to have total filtration of at least:
3640 HU - ANSWER-How many heat units (HU) are generated using a high-frequency
generator at 200 mA, 0.10 sec, and 85 kVp?
4 - ANSWER-An x-ray exposure is made using the following factors: 200 mA, 0.02
seconds, 70 kVp, 40 inches SID. The value of the mAs for the exposure is:
40% to 50% - ANSWER-How much can the exposure time be decreased when using
three-phase x-ray equipment
60 Hz - ANSWER-The frequency of alternating current delivered by electric utilities in
the United States and Canada is
A physician - ANSWER-An order for an x-Ray examination is issued by
A radiologist - ANSWER-A specialist who interprets radiographs and performs special
imaging procedures is called
a short scale of contrast - ANSWER-High contrast produced by low kVp results in an
image with
adjust the control for fluctuation in the electric supply - ANSWER-The purpose of a line
voltage compensator is to
ASRT - ANSWER-The curriculum for limited x-Ray machine operators is published by
the
ASRT - ANSWER-The largest professional organization for radiologic technologists is
the
attenuation - ANSWER-The absorption of x-rays by matter is called
Automatic exposure control (AEC); Anatomically programmed radiography (APR) -
ANSWER-For which type of x-ray generator can the exposure factors from the
technique chart be programmed into the system
back-up timer - ANSWER-If the AEC fails during the exposure, the ______ will
terminate the exposure
, Bremsstrahlung interactions - ANSWER-The majority of photons in the x-ray beam are
created by which process?
Cassette and film - ANSWER-The image receptor (IR) system may consist of the
following.
Central ray - ANSWER-A line that is perpendicular to the long axis of the x-ray tube and
is in the center of the x-ray beam is called
Change alternating current (AC) into direct current (DC) - ANSWER-The purpose of a
rectifier in an x-ray circuit is to
collimator - ANSWER-The device that allows the limited operator to vary the size of the
radiation field is called the
computed radiography (CR) - ANSWER-A type of fimless x-ray system that produces
digital images is called
contrast - ANSWER-The difference in radiographic density between any two adjacent
portions of the image is called
control booth - ANSWER-The x-ray room has an area that protects the limited operator
from scatter radiation and is called the
Crookes - ANSWER-Roentgen discovered x-rays while working with a ______ tube.
decreased contrast - ANSWER-Fog affects radiographic quality by causing
detail - ANSWER-Motion of the patient, either voluntary or involuntary, during the
exposure will result in decreased
detent - ANSWER-the mechanism on the x-ray tube crane that provides "stops" in a
specific location is the
Difference - ANSWER-The answer to a subtraction problem
distortion - ANSWER-a misrepresentation in the size or shape of the structure being
examined is called:
Dividend - ANSWER-In a division problem, the number that is divided
Divisor - ANSWER-The number by which the dividend is divided
Electric circuit - ANSWER-The term for a continuous path of flow of the electric charges
from the power source through one or more electric devices and back to the source is
