FINAL EXAM X-RAY QUESTIONS AND
ANSWERS WITH COMPLETE
SOLUTIONS 100% CORRECT RATED A+
The purpose of a transformer is to:
✔✔ Answer: Increase or decrease voltage
Which of the following statements regarding scatter radiation is true?
✔✔ Answer: Scatter radiation has less energy than the primary beam
The pattern of ___ radiation creates the image on the film.
✔✔ Answer: Remnant
What do the initials RT(R) stand for?
✔✔ Answer: Registered Technologist (Radiography)
The principal purpose of doing a “safety check” before making an exposure is to:
✔✔ Answer: Prevent accidental exposure of coworkers
Limited radiography is called limited because the: -ANSWER ✔✔scope of
practice is limited
The portion of the x-ray room that is protected from scatter radiation and is safe
during exposures is called the: -ANSWER ✔✔control booth
What is the purpose of the filament circuit? -ANSWER ✔✔Supply and control the
heat required by the x-ray tube filament for thermionic emission of electrons
, Which of the following reduces the voltage on the secondary side to provide an
appropriate current to heat the filament? -ANSWER ✔✔Step-down transformer
Computed radiography (CR) is sometimes called a: -ANSWER ✔✔"filmless"
system
A 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
A larger actual focal spot yields: -ANSWER ✔✔greater tube heat capacity
What term is applied to the distance from one crest to the next in a sine wave? -
ANSWER ✔✔Wavelength
Which of the following common IR sizes are used for general examinations? (1)
18X24cm (2) 24X30cm (3) 35X43cm -ANSWER ✔✔2 and 3
The boxlike device attached under the tube housing that allows the limited operator
to vary the size of the radiation field is called a: -ANSWER ✔✔collimator
The filimant of an x-ray tube is made of: -ANSWER ✔✔a coil of tungsten wire
The function of a rheostat in an x-ray generator is to: -ANSWER ✔✔vary the
milliamperage
X-rays that are traveling in a useful direction exit via the: -ANSWER ✔✔tube port
ANSWERS WITH COMPLETE
SOLUTIONS 100% CORRECT RATED A+
The purpose of a transformer is to:
✔✔ Answer: Increase or decrease voltage
Which of the following statements regarding scatter radiation is true?
✔✔ Answer: Scatter radiation has less energy than the primary beam
The pattern of ___ radiation creates the image on the film.
✔✔ Answer: Remnant
What do the initials RT(R) stand for?
✔✔ Answer: Registered Technologist (Radiography)
The principal purpose of doing a “safety check” before making an exposure is to:
✔✔ Answer: Prevent accidental exposure of coworkers
Limited radiography is called limited because the: -ANSWER ✔✔scope of
practice is limited
The portion of the x-ray room that is protected from scatter radiation and is safe
during exposures is called the: -ANSWER ✔✔control booth
What is the purpose of the filament circuit? -ANSWER ✔✔Supply and control the
heat required by the x-ray tube filament for thermionic emission of electrons
, Which of the following reduces the voltage on the secondary side to provide an
appropriate current to heat the filament? -ANSWER ✔✔Step-down transformer
Computed radiography (CR) is sometimes called a: -ANSWER ✔✔"filmless"
system
A 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
A larger actual focal spot yields: -ANSWER ✔✔greater tube heat capacity
What term is applied to the distance from one crest to the next in a sine wave? -
ANSWER ✔✔Wavelength
Which of the following common IR sizes are used for general examinations? (1)
18X24cm (2) 24X30cm (3) 35X43cm -ANSWER ✔✔2 and 3
The boxlike device attached under the tube housing that allows the limited operator
to vary the size of the radiation field is called a: -ANSWER ✔✔collimator
The filimant of an x-ray tube is made of: -ANSWER ✔✔a coil of tungsten wire
The function of a rheostat in an x-ray generator is to: -ANSWER ✔✔vary the
milliamperage
X-rays that are traveling in a useful direction exit via the: -ANSWER ✔✔tube port
