BASIC X-RAY MACHINE
OPERATOR BXMO EXAM
https://www.stuvia.com/user/thinktrek
+1(305) 565-6365
,The oldest and largest radiologic science professional organization is the: - Answer American
Society of Radiologic Technologists (ASRT)
The organization that sets standards and prepares examinations necessary to certify radiologic
technologists and limited operators is the: - Answer American Registry of Radiologic
Technologists (ARRT)
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 - Answer 1,2,3
The radiation that exits the opposite side of the patient to expose the image receptor (IR) is
called: - Answer Remnat radiation
The term used to describe radiation that is absorbed by matter is: - Answer Attenuation
The "unseen" image that is contained in the image receptor (IR) before it is processed is called
the: - Answer Latent image
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. - Answer
Scattered
The radiation that exits the x-ray tube and travels in-air to the patient is called: - Answer
Primary
,The boxlike device attached under the tube housing that allows the limited operator to vary the
size of the radiation field is called the: - Answer Collimator
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: - Answer Central Ray
An exposure time of 0.02 seconds is equal to how many milliseconds? - Answer 20 msec
The number 9 squared is equal to: - Answer 81
The number 4 is the square root of: - Answer 16
When 62 kVp is increased by 30%, the result is approximately: - Answer 81
When the fraction 7/8 is converted to a decimal, the result is: - Answer 0.875
When 230% is expressed as a decimal, the result is: - Answer 2.3
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 - Answer 50 mAs
X-rays have electromagnetic energy. The velocity (or speed) of this energy travels at a speed of: -
Answer 186,000 miles per second
The smallest possible unit of electromagnetic energy is the: - Answer Photon
, The electrical current flowing in an x-ray tube is measured in: - Answer Milliamperes
The force or strength of the electron flow in an electrical current is measured in: - Answer
Kilovoltage
The device used to produce the high voltage needed for x-ray production is called the: - Answer
Transformer
In radiology, 80,000 volts is converted to: - Answer 80 kVp
The target and the filament in the x-ray tube are made of: - Answer Tungsten
Electrons are made available in the filament of the x-ray tube by a process called: - Answer
Thermionic emission
The anode in x-ray tubes rotates at a high rpm to: - Answer Dissipate the heat
The target in the x-ray tube is angled to affect the:
1. heat capacity
2. number of photons
3. sharpness of the image - Answer 1 and 3
Which of the following would be a common small focal spot size in an x-ray tube? - Answer
0.6 mm
What size of target angle is required for the radiation to cover a
OPERATOR BXMO EXAM
https://www.stuvia.com/user/thinktrek
+1(305) 565-6365
,The oldest and largest radiologic science professional organization is the: - Answer American
Society of Radiologic Technologists (ASRT)
The organization that sets standards and prepares examinations necessary to certify radiologic
technologists and limited operators is the: - Answer American Registry of Radiologic
Technologists (ARRT)
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 - Answer 1,2,3
The radiation that exits the opposite side of the patient to expose the image receptor (IR) is
called: - Answer Remnat radiation
The term used to describe radiation that is absorbed by matter is: - Answer Attenuation
The "unseen" image that is contained in the image receptor (IR) before it is processed is called
the: - Answer Latent image
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. - Answer
Scattered
The radiation that exits the x-ray tube and travels in-air to the patient is called: - Answer
Primary
,The boxlike device attached under the tube housing that allows the limited operator to vary the
size of the radiation field is called the: - Answer Collimator
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: - Answer Central Ray
An exposure time of 0.02 seconds is equal to how many milliseconds? - Answer 20 msec
The number 9 squared is equal to: - Answer 81
The number 4 is the square root of: - Answer 16
When 62 kVp is increased by 30%, the result is approximately: - Answer 81
When the fraction 7/8 is converted to a decimal, the result is: - Answer 0.875
When 230% is expressed as a decimal, the result is: - Answer 2.3
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 - Answer 50 mAs
X-rays have electromagnetic energy. The velocity (or speed) of this energy travels at a speed of: -
Answer 186,000 miles per second
The smallest possible unit of electromagnetic energy is the: - Answer Photon
, The electrical current flowing in an x-ray tube is measured in: - Answer Milliamperes
The force or strength of the electron flow in an electrical current is measured in: - Answer
Kilovoltage
The device used to produce the high voltage needed for x-ray production is called the: - Answer
Transformer
In radiology, 80,000 volts is converted to: - Answer 80 kVp
The target and the filament in the x-ray tube are made of: - Answer Tungsten
Electrons are made available in the filament of the x-ray tube by a process called: - Answer
Thermionic emission
The anode in x-ray tubes rotates at a high rpm to: - Answer Dissipate the heat
The target in the x-ray tube is angled to affect the:
1. heat capacity
2. number of photons
3. sharpness of the image - Answer 1 and 3
Which of the following would be a common small focal spot size in an x-ray tube? - Answer
0.6 mm
What size of target angle is required for the radiation to cover a
