1. A(n) __digital image_ is an electronic signal captured by sensors and displayed on computer monitors.
2. A coating on the x-ray film that contains energy-sensitive crystals is the _____emulsion__________.
3. The ___tube side_________ is the solid white side of the film that should face the x-ray tube.
4. The ____label side________ is the colored side of the film that should face away from the x-ray tube.
5. ____manual processing________ is a method of film processing that uses film racks and processing tanks.
6. ____film-holding devices___________ are used to stabilize the film in position in the patient’s mouth.
7. ____beam alignment devices__ are used to indicate the location of the position indicator device (PID) in
relation to the tooth and film.
8. ___intraoral film____________ is a type of film that is placed within the mouth.
9. Film designed for use in cassettes is ____extraoral film___________.
10. Film designed for use in film-duplicating machines is ______duplicating film_________.
11. A radiograph that shows the crown, root tip, and surrounding structures is a(n) _____periapical radiograph______.
12. A(n) __bitewing radiograph_____________ shows the crowns of both arches on one film.
13. A radiograph that shows the anterior area of the maxilla or mandible is the __occlusal radiograph_____________.
14. The ___film cassette____________ is used to encase extraoral films during exposure.
15. The __film speed_____________ is determined by the sensitivity of the emulsion on the film to radiation.
16. __charge-coupled device (CCD)_____________ is a solid-state image sensor used in intraoral digital imaging.
17. ____processing errors___________ are mistakes that occur on the radiograph during processing.
Multiple-choice questions
Complete each question by circling the best answer.
1. How does positioning instruments protect the patient from unnecessary radiation?
a. It filters the scatter radiation.
b. It keeps the patient’s hands and fingers from being exposed to x-radiation.
c. It speeds up the process.
d. It shows the correct teeth.
2. Describe a basic style of film holder.
a. Hemostat device
b. Clothespin device that holds the film
c. Square pad with adhesive on the back
d. Bite-block with a backing plate and a slot for the film
3. Which is a component of an intraoral film?
a. Film emulsion
b. Aluminum foil
c. Plastic
