ANDY RAD BOARD REVIEW

When exposing a bite-wing radiograph without using a Rinn or XCP, what is the vertical angulation that should be used?

• +5 degrees

• +10 degrees

A "reverse smile line" is seen on the image if the patient's

• chin is tipped down

• chin is tipped up

What determines the quality of x-rays?

• the kilovotage

• the exposure time

What is the Maximus Permissible Dose (MPD) that a person that works with radiation can receive (occupation dose)?

• 5 Sv/year

• 5 rem/year

According to the basic rules of paralleling, the central ray should be directed ___ to the receptor and the long axis of the tooth.

• adjacent

• perpendicular

Which extraoral image is used to evaluate the maxillary sinus?

• Waters

• Panoramic

Which of the following will correct an elongated image?

• increasing the vertical angulation

• decreasing the vertical angulation

Radiolucent refers to that portion of a dental image that

• is white

• is black

Which of the following will not be visible on a correctly placed and exposed bitewing radiograph?

• apical abscess

• interproximal caries

Which describes scatter radiation?

• radiation that exists the tubehead

• radiation that has been deflected from its path by interaction with matter