FREE DENTISTRY AND STUDY GAMES ABOUT RADIOLOGY

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FREE DENTISTRY AND STUDY GAMES ABOUT RADIOLOGY

DANB EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -100 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: Increading milliamperage results in an increase in:

Answer:

Temperature of the filament and number of x-rays produced

Question 2: When would tomography be used in dentistry?

Answer:

scanning of the temporomandibular joint

Question 3: Which pathologic condition would appear radiopague on a radiograph?

Answer:

salivary stone Question 4: How should the film be placed when exposing a mandibular occulsal radiograph?

Answer:

white side up between the occulsal surfaces of the maxillary and mandibular teeth

Question 5: Which chemical agent in the developing solution rapidly develops the gray tones of the radiograph?

Answer:

elon Question 6: The basic elements of a quality administration plan should include which of the following?

Answer:

description of the plan with assignment of duties Question 7: Exposing intraoral radiographs, when the patient's right is on your left, the identification dot on the film will be positioned where?

Answer:

facing out and toward the incisal/occulsal Question 8: Increasing milliamperage alone results in a film with:

Answer:

increased density Question 9: How often should the soultions in an automatic processor be checked and replenished?

Answer:

daily Question 10: The traditional unit for measuring x-ray exposure in air is termed:

Answer:

the roentgen Question 11: A radiograph that has many light and dark areas with few shades of gray is said to

have:

Answer:

high contrast

Question 12: How does static electricity appear on a developed film?

Answer:

black branching lines

Question 13: Machines operation above 70 kVp require ____ mm aluminum.

Answer:

2.5 Question 14: Which of the following is the recommended size of the beam at the patient's face?

Answer:

2.75 inches Question 15: The formula for the maximum accumulated dose is:

Answer:

MAD= (N-18) x 0.05 Sv/year or MAD=(N-18) x 5 rems/year

Question 16: How would a completed root canal appear on processed radiographs?

Answer:

radiopaque Question 17: Which of the following restricts the size and shape of the x-ray beam?

Answer:

collimator

Question 18: What role do radiographs play in conprehensive patient care?

Answer:

vital component to Question 19: The latent period in radiation bilogy is the time between:

Answer:

exposure to x-radiation and clinical symptoms

Question 20: Which radiograph shows the bony and soft tissue areas of the facial profile?

Answer:

cephalometric Question 21: The maximum permissable dose for nonoccupationaly exposed persons is ____ rem/year.

Answer:

0.1 Question 22: The most important factor in obtaining quality panoramic radiographs is proper

Answer:

patient positioning Question 23: In addition to the patient's name, what other information should be placed on the film mount?

Answer:

date of exposure

Question 24: Which situation will appear radiopaque on a radiograph?

Answer:

cement base under a restoration Question 25: who is responsible for the final and definitive interpretation of dental radiographs?

Answer:

dentist Question 26: If the radiographic processing time is too short, how will the film appear?

Answer:

light Question 27: The amount of radiation exposure an individual receives varies depending on which of the following factors?

Answer:

film speed, collimation, technique