BMET 110 UPDATED ACTUAL QUESTIONS AND CORRECT
ANSWERS
Question:
1. Bremsstrahlung
Answer:
BRAKING radiation or deceleration radiation which accounts for the vast majority of the overall x-ray
type produced. **BB**
Question:
2. Scatter and Secondary Radiation
Answer:
Two additional forms of radiation produced when x-rays interact with matter
Question:
3. As Low As Reasonably Achievable
Answer:
ALARA
Question:
4. x-ray tube housing
Answer:
Are required to have a minimum of 2mm of lead throughout the casing
Question:
5. Factors affecting the x-ray beam
Answer:
-Quantity
-Quality
-Tube Voltage-kVp
-Tube Current-mA
-Exposure time
-mAs
-Collimation
-Distance
Question:
6. -Time
-Distance
-Shielding
Answer:
Safety precautions with x-rays
Question:
7. 'Mobile' intraoral x-ray system
, Answer:
Mounted on a pedestal on wheels and used when a patient cannot be readily moved to an x-ray room
Question:
8. Panoramic x-ray system
Answer:
Anchored to floor and wall
Question:
9. Short Cone
Answer:
Used to align the tube head with the patient and x-ray sensor (Affixed to the tube head)
Question:
10. Long Cone
Answer:
Attached the short cone to reduce patient dosage
Question:
11. Bite Wing
Answer:
-Images the CROWNS of the posterior teeth.
-Used to reveal CAVITIES, OVER- HANGING RESTORATIONS & CALCU- LUS.
Question:
12. Periapical (PAS)
Answer:
Images show the entire length of each tooth from crown to 3-4mm of supporting tissue beyond the root
apex, where tooth attaches into the jaw
Question:
13. Occlusal
Answer:
-Images entire arch of teeth in either the upper or lower jaw.
-Used to reveal IMPACTED teeth, foreign bodies in jaws, stones in salivary gland ducts, mandible/maxilla
fractures.
Question:
14. Panoramic
Answer:
Shows the entire mouth area -all the teeth in both the upper and lower jaws on one image
Question:
15. Cephalometric
Answer:
Shows an entire side of the head revealing the relationship between the teeth, jaw and profile
ANSWERS
Question:
1. Bremsstrahlung
Answer:
BRAKING radiation or deceleration radiation which accounts for the vast majority of the overall x-ray
type produced. **BB**
Question:
2. Scatter and Secondary Radiation
Answer:
Two additional forms of radiation produced when x-rays interact with matter
Question:
3. As Low As Reasonably Achievable
Answer:
ALARA
Question:
4. x-ray tube housing
Answer:
Are required to have a minimum of 2mm of lead throughout the casing
Question:
5. Factors affecting the x-ray beam
Answer:
-Quantity
-Quality
-Tube Voltage-kVp
-Tube Current-mA
-Exposure time
-mAs
-Collimation
-Distance
Question:
6. -Time
-Distance
-Shielding
Answer:
Safety precautions with x-rays
Question:
7. 'Mobile' intraoral x-ray system
, Answer:
Mounted on a pedestal on wheels and used when a patient cannot be readily moved to an x-ray room
Question:
8. Panoramic x-ray system
Answer:
Anchored to floor and wall
Question:
9. Short Cone
Answer:
Used to align the tube head with the patient and x-ray sensor (Affixed to the tube head)
Question:
10. Long Cone
Answer:
Attached the short cone to reduce patient dosage
Question:
11. Bite Wing
Answer:
-Images the CROWNS of the posterior teeth.
-Used to reveal CAVITIES, OVER- HANGING RESTORATIONS & CALCU- LUS.
Question:
12. Periapical (PAS)
Answer:
Images show the entire length of each tooth from crown to 3-4mm of supporting tissue beyond the root
apex, where tooth attaches into the jaw
Question:
13. Occlusal
Answer:
-Images entire arch of teeth in either the upper or lower jaw.
-Used to reveal IMPACTED teeth, foreign bodies in jaws, stones in salivary gland ducts, mandible/maxilla
fractures.
Question:
14. Panoramic
Answer:
Shows the entire mouth area -all the teeth in both the upper and lower jaws on one image
Question:
15. Cephalometric
Answer:
Shows an entire side of the head revealing the relationship between the teeth, jaw and profile
