Dental Radiology Practice Test Questions And Answers

14 Questions | By Mupparapu | Updated: Mar 22, 2022 | Attempts: 52568

Questions

Settings

Create your own Quiz

Are you practicing dental studies? If yes, then take this 'Dental Radiology' practice test that is designed to test your understanding and knowledge of radiation physics and the fundamentals of radiographic interpretation. Our teeth form the gateway to our overall health and therefore it is important to take care of them. We have different teeth types, and each one of them serves some kind of crucial purpose. If you're well versed with the concepts of dental radiology, then take up this quiz and test your skills. So, are you ready? All the best!

Questions and Answers

1.

An example of particulate radiation is:
- A.
  
  Gamma rays
- B.
  
  X-rays
- C.
  
  Cathode rays
- D.
  
  None of the above
- E.
  
  All of the above
2.

Name the following intraoral radiograph:
- A.
  
  Periapical radiograph
- B.
  
  Bitewing radiograph
- C.
  
  Occlusal radiograph
- D.
  
  Biteblock radiograph
- E.
  
  Pericoronal radiograph
3.

The cathode and anode are parts of an x-ray tube. The anode is negatively charged.
- A.
  
  The first statement is correct. The second statement is wrong
- B.
  
  The first statement is wrong. The second statement is correct
- C.
  
  Both the statements are correct
- D.
  
  Both the statements are wrong
4.

One of the following types of radiation has high Linear Energy Transfer (LET) and hence the potential for more radiation related tissue damage:
- A.
  
  Gamma rays
- B.
  
  X-rays
- C.
  
  Alpha rays
- D.
  
  Micro waves
- E.
  
  U-V radiation
5.

Identify the intraoral radiograph shown
- A.
  
  Periapical radiograph
- B.
  
  Bitewing radiograph
- C.
  
  Maxillary midline occlusal radiograph
- D.
  
  Mandibular floor of the mouth occlusal
- E.
  
  Lateral cephalometric radiograph
6.

The radiograph shown here is a:
- A.
  
  Panoramic radiograph
- B.
  
  Occlusal radiograph
- C.
  
  Lateral oblique radiograph
- D.
  
  P-A view of the skull
- E.
  
  A-P view of the skull
7.

In the construction of an X-ray tube, the function of a step-down transformer is to
- A.
  
  Convert the line current of 110 volts to less than 10 million amperes.
- B.
  
  Convert the line current of 110 volts to less than 10 volts.
- C.
  
  Convert the line current of 220 volts to less than 10 volts.
- D.
  
  Convert the line current of 110 volts to less than 100 amperes.
8.

In the radiographic principle, "SLOB rule, "the same side movement of the object is ______ and the opposite side movement of the object is ______. What are the missing words in the same sequence.
- A.
  
  Lateral and buccal
- B.
  
  Lingual and buccal
- C.
  
  Lingual and both sides
- D.
  
  Lateral and both sides
9.

70 kilovolts equals
- A.
  
  70,000 volts
- B.
  
  700,000 volts
- C.
  
  70,000,000 volts
- D.
  
  7,000 volts
- E.
  
  700 volts
10.

The "rotating anode" design in an x-ray tube limits the amount of
- A.
  
  Lighting at anode
- B.
  
  Heat production at anode
- C.
  
  Electron production at cathode
- D.
  
  Speed of electrons from cathode to anode
- E.
  
  X-rays that are produced at the anode
11.

An example of an electro-magnetic radiation is
- A.
  
  Alpha rays
- B.
  
  Beta rays
- C.
  
  Cathode rays
- D.
  
  Gamma rays
- E.
  
  None of the above
12.

The sharpness of the image is determined to a large extent by the
- A.
  
  Shape of the object
- B.
  
  The focal spot size
- C.
  
  The make of the x-ray machine
- D.
  
  The distance between the anode and cathode
- E.
  
  None of the above
13.

The radiograph shown here is frequently used in Orthodontics for study of the growth and development of the head. Name the radiograph
- A.
  
  PA skull
- B.
  
  AP skull
- C.
  
  Submento vertex view
- D.
  
  Lateral Cephalometric view
- E.
  
  Panoramic view
14.

The "p" in kVp stands for
- A.
  
  Percentage
- B.
  
  Parallel
- C.
  
  Punitive
- D.
  
  Peak
- E.
  
  Paired