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Oral Radiography > Test File 2 > Flashcards

Test File 2 Flashcards

1
Q
  1. How to increase magnification
A

a. Decrease receptor to object distance

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2
Q
  1. What does increasing the source to receptor distance do?
A

a. Decrease magnification and increase sharpness

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3
Q
  1. Recommended diameter
A

a. 2.75 inches

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4
Q
  1. Natural Background radiation (ionizing) example
A

a. Radon

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5
Q
  1. Background radiation example
A

a. cosmic

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6
Q
  1. Pregnant individual maximum exposure
A

a. 500 mRem

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7
Q
  1. Occupational MPD
A

a. 50 mSv

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8
Q
  1. Non-occupational MPD
A

a. 5 mSv

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9
Q
  1. The prodromal period effects are
A

a. Non-lethal

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10
Q
  1. Which is not a part of acute radiation syndrome
A

a. Renal

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11
Q
  1. If the energy/dose thing is higher than an x ray, the absorbed dose is ____ the equivalent dose
A

a. Less than

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12
Q
  1. For radiation that has higher quality factor, the equivalent dose will be ____ to the absorbed dose
A

a. Higher than

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13
Q
  1. Which uses the tissue sensitivity factor?
A

a. Effective dose

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14
Q
  1. What uses the radiation weighting factor?
A

a. Equivalent dose

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15
Q
  1. For foreshortening: beam is _____ to the tooth and the receptor and tooth are _____
A

a. Answer was: not perpendicular (to the tooth), not parallel
i. Tooth and receptor are not parallel
ii. Beam is perpendicular to receptor (not perpendicular to the tooth)

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16
Q
  1. If the tooth is not parallel to the receptor, and the beam is perpendicular to the tooth, the tooth will appear
A

a. Longer than the actual size (elongation)

17
Q
  1. The latent period in radiation biology is
A

a. The time between radiation exposure and onset of biological effects

18
Q
  1. Effect of radiation to the oral cavity in regards to erupted teeth are
A

a. Indirect

19
Q
  1. What is an example of an indirect effect of radiographs taken in the oral cavity
A

a. Radiation caries

20
Q
  1. Error picture (left hand corner was all blurry and white)
A

a. Bending

21
Q
  1. According to 2012 FDA/ADA recommendations, what radiographs would you take for a new patient?
A

a. Individualized radiographs based on clinical assessment

22
Q
  1. According to 2012 FDA/ADA recommendations, what radiographs would you take for an adult recall patient?
A

a. Posterior bitewings at 24-36

23
Q
  1. Bisecting angle technique is perpendicular to what
A

a. Neither the tooth or receptor

24
Q
  1. Overlapping of contacts occurs due error in what
A

a. Horizontal angulation

25
Q
  1. What would decrease the penumbra of the image?
A

a. Increasing source to object ratio

26
Q
  1. Increasing the source to object distance will
A

a. Increase sharpness, decrease magnification

27
Q
  1. This picture is due to what technical error (whole film was off to the corner, mostly white shown)
A

a. Not biting on bite block (we thought it was XCP but its not and this was added on discussion board)

28
Q
  1. According to the slob rule, when you move the tube head mesially, and the object also moves mesially, where is it located?
A

a. Lingually

29
Q
  1. What is the most lethal part of hematopoietic syndrome?
A

a. Sepsis

30
Q
  1. Which part of acute radiation syndrome has the most severe biological effects?
A

a. CNS/Cardiovascular Syndrome

31
Q
  1. What is true about stochastic effects?
A

a. Probability of occurrence is proportional to dose

32
Q
  1. Image of cone cut, asked which collimator and what caused the cone cut
A

a. Rectangular; Improper horizontal angulation

33
Q
  1. Miss nice lady A got cancer from radiation, but her kids were not affected?
A

a. Somatic issue

34
Q
  1. Which of the following causes increased effects of radiation biology?
A

a. Increase oxygen and younger age

35
Q
  1. On MiCAPS, the mirror option will help fix
A

a. Plate exposed backwards

36
Q
  1. Protocol for taking radiographs on a pregnant patient
A

a. Indicated for acute, painful dental problems diagnosis only

Oral Radiography (24 decks)

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