RTBC X-Ray Production and Safety
Questions and Answers (2024/2025)
Graded A+
What is the main purpose of using a high-tension circuit in an x-ray machine?
A) To increase the amount of radiation
B) To heat the filament
C) To accelerate electrons toward the anode
D) To focus the x-ray beam
✔✔C) To accelerate electrons toward the anode
What type of radiation is typically used in diagnostic x-ray procedures?
A) Alpha radiation
B) Beta radiation
C) Gamma radiation
D) X-rays
✔✔D) X-rays
What is the role of the x-ray tube housing?
1
,A) To protect the patient from radiation
B) To contain the x-ray tube and prevent radiation leakage
C) To increase the exposure time
D) To focus the x-ray beam
✔✔B) To contain the x-ray tube and prevent radiation leakage
What happens when an x-ray photon passes through matter?
A) It is absorbed by the tissue
B) It is reflected back
C) It is scattered in all directions
D) It is transmitted through the matter
✔✔A) It is absorbed by the tissue
Which of the following is an example of ionizing radiation?
A) Visible light
B) Radio waves
C) X-rays
D) Microwaves
2
, ✔✔C) X-rays
What is the primary benefit of using digital radiography over traditional film-based radiography?
A) It requires more radiation
B) It provides immediate image viewing and processing
C) It produces lower-quality images
D) It requires longer exposure times
✔✔B) It provides immediate image viewing and processing
How can the patient’s exposure to radiation be minimized during an x-ray procedure?
A) By increasing the exposure time
B) By using the highest kVp settings
C) By using the lowest possible mAs settings
D) By using unnecessary repeat exposures
✔✔C) By using the lowest possible mAs settings
What is the main source of radiation in an x-ray tube?
A) Anode
3
Questions and Answers (2024/2025)
Graded A+
What is the main purpose of using a high-tension circuit in an x-ray machine?
A) To increase the amount of radiation
B) To heat the filament
C) To accelerate electrons toward the anode
D) To focus the x-ray beam
✔✔C) To accelerate electrons toward the anode
What type of radiation is typically used in diagnostic x-ray procedures?
A) Alpha radiation
B) Beta radiation
C) Gamma radiation
D) X-rays
✔✔D) X-rays
What is the role of the x-ray tube housing?
1
,A) To protect the patient from radiation
B) To contain the x-ray tube and prevent radiation leakage
C) To increase the exposure time
D) To focus the x-ray beam
✔✔B) To contain the x-ray tube and prevent radiation leakage
What happens when an x-ray photon passes through matter?
A) It is absorbed by the tissue
B) It is reflected back
C) It is scattered in all directions
D) It is transmitted through the matter
✔✔A) It is absorbed by the tissue
Which of the following is an example of ionizing radiation?
A) Visible light
B) Radio waves
C) X-rays
D) Microwaves
2
, ✔✔C) X-rays
What is the primary benefit of using digital radiography over traditional film-based radiography?
A) It requires more radiation
B) It provides immediate image viewing and processing
C) It produces lower-quality images
D) It requires longer exposure times
✔✔B) It provides immediate image viewing and processing
How can the patient’s exposure to radiation be minimized during an x-ray procedure?
A) By increasing the exposure time
B) By using the highest kVp settings
C) By using the lowest possible mAs settings
D) By using unnecessary repeat exposures
✔✔C) By using the lowest possible mAs settings
What is the main source of radiation in an x-ray tube?
A) Anode
3
