Dental Radiology Chap 7 Questions and
Answers with Certified Solutions
What does the term "latent image" refer to in dental radiography?
✔✔A. The image stored on the film after exposure but before development
B. The image visible on the film after processing
C. The image seen on the X-ray machine screen
D. The image that appears immediately after exposure
What is the main purpose of the developer solution in film processing?
A. To fix the image on the film
✔✔B. To reduce the exposed silver halide crystals and form the image
C. To prevent fogging of the film
D. To make the film more sensitive to radiation
Which of the following describes the purpose of the fixer solution in film processing?
A. To develop the image on the film
✔✔B. To remove unexposed silver halide crystals
C. To increase the sharpness of the image
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,D. To enhance the contrast of the film
What effect does increasing the exposure time have on the dental X-ray image?
✔✔A. It increases the density and darkness of the image
B. It improves the resolution of the image
C. It reduces the contrast of the image
D. It decreases the radiation dose to the patient
What is the purpose of using a lead apron during radiographic procedures?
✔✔A. To protect the patient from scatter radiation
B. To improve the image quality
C. To reduce exposure time
D. To reduce film fogging
Why is it important to store dental X-ray film in a cool, dry environment?
✔✔A. To prevent fogging and degradation of the film
B. To speed up the processing time
C. To make the film more sensitive to radiation
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, D. To increase film resolution
What is the most common cause of poor image quality in dental radiography?
✔✔A. Improper film processing
B. Incorrect exposure settings
C. The type of film used
D. The patient's age
What type of dental X-ray film is used to examine large areas of the jaw?
A. Bitewing film
✔✔B. Panoramic film
C. Periapical film
D. Occlusal film
What is the result of using a high-speed dental X-ray film?
A. Higher image sharpness
✔✔B. Reduced radiation exposure
C. Increased film fogging
3
Answers with Certified Solutions
What does the term "latent image" refer to in dental radiography?
✔✔A. The image stored on the film after exposure but before development
B. The image visible on the film after processing
C. The image seen on the X-ray machine screen
D. The image that appears immediately after exposure
What is the main purpose of the developer solution in film processing?
A. To fix the image on the film
✔✔B. To reduce the exposed silver halide crystals and form the image
C. To prevent fogging of the film
D. To make the film more sensitive to radiation
Which of the following describes the purpose of the fixer solution in film processing?
A. To develop the image on the film
✔✔B. To remove unexposed silver halide crystals
C. To increase the sharpness of the image
1
,D. To enhance the contrast of the film
What effect does increasing the exposure time have on the dental X-ray image?
✔✔A. It increases the density and darkness of the image
B. It improves the resolution of the image
C. It reduces the contrast of the image
D. It decreases the radiation dose to the patient
What is the purpose of using a lead apron during radiographic procedures?
✔✔A. To protect the patient from scatter radiation
B. To improve the image quality
C. To reduce exposure time
D. To reduce film fogging
Why is it important to store dental X-ray film in a cool, dry environment?
✔✔A. To prevent fogging and degradation of the film
B. To speed up the processing time
C. To make the film more sensitive to radiation
2
, D. To increase film resolution
What is the most common cause of poor image quality in dental radiography?
✔✔A. Improper film processing
B. Incorrect exposure settings
C. The type of film used
D. The patient's age
What type of dental X-ray film is used to examine large areas of the jaw?
A. Bitewing film
✔✔B. Panoramic film
C. Periapical film
D. Occlusal film
What is the result of using a high-speed dental X-ray film?
A. Higher image sharpness
✔✔B. Reduced radiation exposure
C. Increased film fogging
3
