Dental Assisting State Board Exam
UPDATED Exam Questions and CORRECT
Answers
What wavelengths have more penetrating power and more energy? - CORRECT ANSWER -
shorter wavelengths
What happens when the more dense the tissue is, like enamel or a dental material like gold? -
CORRECT ANSWER - the more the structure absorbs radiation and doesn't allow it to pass
through
radiowave - CORRECT ANSWER - whiter areas on the film
What happens when tissue is less dense like gingiva or pulp? - CORRECT ANSWER - allows
radiation to pass through the film
radiolucent - CORRECT ANSWER - darker areas on the film
What should you not hold a film with during exposure? - CORRECT ANSWER - your
fingers- many early dentists lost fingers
______ is the maximum dose that a person or body part is allowed to receive in a stated period of
time. - CORRECT ANSWER - Maximum permissable dose (MPD)
What should the size of the beam be? - CORRECT ANSWER - 2 3/4 inches
primary x-rays pass through____1____ and this is often referred to as ____2____. - CORRECT
ANSWER - 1. positioning-indicating device
2. cone
, The cone is lead lined which helps to do what? - CORRECT ANSWER - collimate the x-ray
beam to 2 3/4 inches
What type of PIDs are available for x-ray machines? - CORRECT ANSWER -
round/rectangular
By limiting the size of the beam to 2 3/4 inches, the total exposure to the tissues of ___1___ and
___2___ is ___3___. - CORRECT ANSWER - 1. head
2. neck
3. reduced
_______ refers to how dark a film appears. - CORRECT ANSWER - density
occupationally exposed workers are currently allowed to receive _____ per year. - CORRECT
ANSWER - 0.05 sieverts (5 rem)
General public or an occupationally exposed pregnant woman is allowed _____ per year. -
CORRECT ANSWER - 0.001 sieverts (0.1 rem)
radiation monitoring is not a requirement in a private dental office - CORRECT ANSWER -
true
when the ___1___ is pressed, a transformer ___2___ the voltage or power to propel the electrons
at the filament across to the ___3___ when the x-rays are produced. - CORRECT ANSWER -
1. exposure button
2. increases
3. tungsten target
UPDATED Exam Questions and CORRECT
Answers
What wavelengths have more penetrating power and more energy? - CORRECT ANSWER -
shorter wavelengths
What happens when the more dense the tissue is, like enamel or a dental material like gold? -
CORRECT ANSWER - the more the structure absorbs radiation and doesn't allow it to pass
through
radiowave - CORRECT ANSWER - whiter areas on the film
What happens when tissue is less dense like gingiva or pulp? - CORRECT ANSWER - allows
radiation to pass through the film
radiolucent - CORRECT ANSWER - darker areas on the film
What should you not hold a film with during exposure? - CORRECT ANSWER - your
fingers- many early dentists lost fingers
______ is the maximum dose that a person or body part is allowed to receive in a stated period of
time. - CORRECT ANSWER - Maximum permissable dose (MPD)
What should the size of the beam be? - CORRECT ANSWER - 2 3/4 inches
primary x-rays pass through____1____ and this is often referred to as ____2____. - CORRECT
ANSWER - 1. positioning-indicating device
2. cone
, The cone is lead lined which helps to do what? - CORRECT ANSWER - collimate the x-ray
beam to 2 3/4 inches
What type of PIDs are available for x-ray machines? - CORRECT ANSWER -
round/rectangular
By limiting the size of the beam to 2 3/4 inches, the total exposure to the tissues of ___1___ and
___2___ is ___3___. - CORRECT ANSWER - 1. head
2. neck
3. reduced
_______ refers to how dark a film appears. - CORRECT ANSWER - density
occupationally exposed workers are currently allowed to receive _____ per year. - CORRECT
ANSWER - 0.05 sieverts (5 rem)
General public or an occupationally exposed pregnant woman is allowed _____ per year. -
CORRECT ANSWER - 0.001 sieverts (0.1 rem)
radiation monitoring is not a requirement in a private dental office - CORRECT ANSWER -
true
when the ___1___ is pressed, a transformer ___2___ the voltage or power to propel the electrons
at the filament across to the ___3___ when the x-rays are produced. - CORRECT ANSWER -
1. exposure button
2. increases
3. tungsten target
