Basic X-Ray Machine operator
questions well answered graded A+
1,2,3 - ANS ✔Which of the following would be considered a characteristic of x-rays?
1. have no mass
2. are electrically neutral
3.travel in straight lines
American Society of Radiologic Technologists (ASRT) - ANS ✔The oldest and largest radiologic
science professional organization is the:
American Registry of Radiologic Technologists (ARRT) - ANS ✔The organization that sets
standards and prepares examinations necessary to certify radiologic technologists and limited
operators is the:
Remnat radiation - ANS ✔The radiation that exits the opposite side of the patient to expose the
image receptor (IR) is called:
Attenuation - ANS ✔The term used to describe radiation that is absorbed by matter is:
Latent image - ANS ✔The "unseen" image that is contained in the image receptor (IR) before it
is processed is called the:
Scattered - ANS ✔The radiation that exits the body in all directions and causes unwanted
exposure on the image receptor (IR) as well as anyone who is in the room is called __________
radiation.
,Primary - ANS ✔The radiation that exits the x-ray tube and travels in-air to the patient is called:
Collimator - ANS ✔The boxlike device attached under the tube housing that allows the limited
operator to vary the size of the radiation field is called the:
Central Ray - ANS ✔An invisible line in the center of the x-ray beam and perpendicular to the
long axis of the x-ray tube is called the:
20 msec - ANS ✔An exposure time of 0.02 seconds is equal to how many milliseconds?
81 - ANS ✔The number 9 squared is equal to:
16 - ANS ✔The number 4 is the square root of:
81 - ANS ✔When 62 kVp is increased by 30%, the result is approximately:
0 - ANS ✔When the fraction 7/8 is converted to a decimal, the result is:
2 - ANS ✔When 230% is expressed as a decimal, the result is:
50 mAs - ANS ✔A radiographic image is made using 500 mA, 0.1 sec., 80 kVp, and
48-inches SID. The value of the mAs for this exposure is
186,000 miles per second - ANS ✔X-rays have electromagnetic energy. The velocity (or speed) of
this energy travels at a speed of:
Photon - ANS ✔The smallest possible unit of electromagnetic energy is the:
, Milliamperes - ANS ✔The electrical current flowing in an x-ray tube is measured in:
Kilovoltage - ANS ✔The force or strength of the electron flow in an electrical current is
measured in:
Transformer - ANS ✔The device used to produce the high voltage needed for x-ray production is
called the:
80 kVp - ANS ✔In radiology, 80,000 volts is converted to:
Tungsten - ANS ✔The target and the filament in the x-ray tube are made of:
Thermionic emission - ANS ✔Electrons are made available in the filament of the x-ray tube by a
process called:
Dissipate the heat - ANS ✔The anode in x-ray tubes rotates at a high rpm to:
1 and 3 - ANS ✔The target in the x-ray tube is angled to affect the:
1. heat capacity
2. number of photons
3. sharpness of the image
0.6 mm - ANS ✔Which of the following would be a common small focal spot size in an x-ray
tube?
12 degrees - ANS ✔What size of target angle is required for the radiation to cover a
questions well answered graded A+
1,2,3 - ANS ✔Which of the following would be considered a characteristic of x-rays?
1. have no mass
2. are electrically neutral
3.travel in straight lines
American Society of Radiologic Technologists (ASRT) - ANS ✔The oldest and largest radiologic
science professional organization is the:
American Registry of Radiologic Technologists (ARRT) - ANS ✔The organization that sets
standards and prepares examinations necessary to certify radiologic technologists and limited
operators is the:
Remnat radiation - ANS ✔The radiation that exits the opposite side of the patient to expose the
image receptor (IR) is called:
Attenuation - ANS ✔The term used to describe radiation that is absorbed by matter is:
Latent image - ANS ✔The "unseen" image that is contained in the image receptor (IR) before it
is processed is called the:
Scattered - ANS ✔The radiation that exits the body in all directions and causes unwanted
exposure on the image receptor (IR) as well as anyone who is in the room is called __________
radiation.
,Primary - ANS ✔The radiation that exits the x-ray tube and travels in-air to the patient is called:
Collimator - ANS ✔The boxlike device attached under the tube housing that allows the limited
operator to vary the size of the radiation field is called the:
Central Ray - ANS ✔An invisible line in the center of the x-ray beam and perpendicular to the
long axis of the x-ray tube is called the:
20 msec - ANS ✔An exposure time of 0.02 seconds is equal to how many milliseconds?
81 - ANS ✔The number 9 squared is equal to:
16 - ANS ✔The number 4 is the square root of:
81 - ANS ✔When 62 kVp is increased by 30%, the result is approximately:
0 - ANS ✔When the fraction 7/8 is converted to a decimal, the result is:
2 - ANS ✔When 230% is expressed as a decimal, the result is:
50 mAs - ANS ✔A radiographic image is made using 500 mA, 0.1 sec., 80 kVp, and
48-inches SID. The value of the mAs for this exposure is
186,000 miles per second - ANS ✔X-rays have electromagnetic energy. The velocity (or speed) of
this energy travels at a speed of:
Photon - ANS ✔The smallest possible unit of electromagnetic energy is the:
, Milliamperes - ANS ✔The electrical current flowing in an x-ray tube is measured in:
Kilovoltage - ANS ✔The force or strength of the electron flow in an electrical current is
measured in:
Transformer - ANS ✔The device used to produce the high voltage needed for x-ray production is
called the:
80 kVp - ANS ✔In radiology, 80,000 volts is converted to:
Tungsten - ANS ✔The target and the filament in the x-ray tube are made of:
Thermionic emission - ANS ✔Electrons are made available in the filament of the x-ray tube by a
process called:
Dissipate the heat - ANS ✔The anode in x-ray tubes rotates at a high rpm to:
1 and 3 - ANS ✔The target in the x-ray tube is angled to affect the:
1. heat capacity
2. number of photons
3. sharpness of the image
0.6 mm - ANS ✔Which of the following would be a common small focal spot size in an x-ray
tube?
12 degrees - ANS ✔What size of target angle is required for the radiation to cover a
