Title: Chapter 12: Test Generator Questions
Course: DEH 2821 Medically-Compromised Patient

Q: The dentist is responsible for determining the need for radiographs, and a set schedule should be set up and followed for each patient in the dental office.
- The first part of the statement is true and the second part is false
- The first part of the statement is false and the second part is true
- The entire statement is true
- The entire statement is false
A: The first part of the statement is true and the second part is false

Q: Which type of collimation produces the least amount of radiation to the patient?
- Rectangular collimation
- Circular collimation
- Triangular collimation
- Vertical collimation
A: Rectangular collimation

Q: A higher kilovoltage produces films with which of the following?
- More contrast and more shades of gray
- More contrast and more black and white
- Less contrast and more shades of gray
- Less contrast and more black and white
- Less contrast and fewer shades of gray
A: Less contrast and more shades of gray

Q: Which of the following filters out the longer-wavelength x-rays?
- Aluminum disks
- Lead collimator
- Unleaded glass window
- PID
- Copper stem
A: Aluminum disks

Q: When speeding electrons slow down around the nucleus in the tungsten target and form a new type of x-ray energy, that energy is known as which of the following?
- Characteristic radiation
- Primary radiation
- Secondary radiation
- Braking or Bremsstrahlung radiation
- Scatter radiation
A: Braking or Bremsstrahlung radiation

Q: Which PID is going to offer the patient the most protection?
- Long, pointed, cylindrical
- Long, open ended, rectangular
- Short, open ended, rectangular
- Short, open ended, cylindrical
A: Long, open ended, rectangular

Q: Which of the following cells are the most sensitive to radiation?
- Bone marrow
- Connective tissue
- Muscle
- Nerve
A: Bone marrow

Q: One purpose of bitewing images is to view which of the following?
- Alveolar bone level
- Periapical areas
- Occlusal surfaces
- Incisal surfaces
A: Alveolar bone level

Q: To select the most accurate technique for the periapical views, the dental hygienist would choose which of the following?
- Panoramic technique
- Bitewing technique
- Occlusal technique
- Paralleling technique
A: Paralleling technique

Q: To view areas of moderate to severe bone loss, the hygienist should take which of the following exposures?
- Panoramic
- Horizontal bitewings
- Occlusal films
- Vertical bitewings
- Bisecting-angle periapicals
A: Vertical bitewings

Q: The purpose of taking an occlusal radiograph would be:
- to show large areas of the maxilla, mandible, or floor of the mouth
- to see the occlusal surfaces
- to see interproximal surfaces
- to see the height of the alveolar bone
A: to show large areas of the maxilla, mandible, or floor of the mouth

Q: To determine if a patient has an overhang on a restoration, you would need to take which of the following?
- Periapical radiograph
- Occlusal radiograph
- Bitewing radiograph
- Panoramic radiograph
A: Bitewing radiograph

Q: What determines cells' sensitivity to radiation?
- Their mitotic activity
- If they are highly specialized
- The cells' metabolism
- All of the above
A: All of the above

Q: The purpose of a periapical survey is:
- to obtain a view of the crowns of the teeth
- to obtain a view of the occlusal and incisal surfaces of the teeth
- to obtain a view of the height of the alveolar bone
- to obtain a view of the entire tooth and its periodontal supporting structures
A: to obtain a view of the entire tooth and its periodontal supporting structures

Q: How many films are used in a complete radiographic survey on an adult patient with a full dentition?
- 14 to 16 projections plus bitewings
- 10 to 12 projections plus bitewings
- 6 to 8 projections plus bitewings
- 2 to 4 projections plus bitewings
A: 14 to 16 projections plus bitewings