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Radiology > Important Info 2.1 > Flashcards

Important Info 2.1 Flashcards

1
Q
A

zygomatic process of the maxilla

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2
Q
A

zygoma

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3
Q
A

Intermaxillary Suture

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4
Q
A

incisive foramen

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5
Q
A

mental foramen

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6
Q
A

mental ridge

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7
Q
A

internal oblique ridge

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8
Q
A

anterior border of the ramus

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9
Q
A

soft tissue of the nose

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10
Q
A

floor of the nasal cavity

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11
Q

Which of the following will increase magnification?

A

Decrease receptor to object distance? I don’t remember choices here

I think increase receptor to object distance - Molly

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12
Q

What does increasing the source to receptor distance do?

A

Decrease magnification and increase sharpness

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13
Q

Recommended diameter of collimator

A

2.75 inches

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14
Q

Natural Background radiation (ionizing) example

A

Radon

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15
Q

Background radiation example

A

cosmic

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16
Q

Pregnant individual maximum exposure

A

0.5 Rem
500 mRem
5 mSv

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17
Q

Occupational MPD

A

5 Rem
50 mSv

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18
Q

Non-occupational MPD

A

0.5 rem
5 mSv

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19
Q

The prodromal period effects are

A

Non-lethal

20
Q

If the energy/dose thing is higher than an x ray, the absorbed dose is ____ the equivalent dose

A

Less than

21
Q

For radiation that has higher quality factor, the equivalent dose will be ____ to the absorbed dose

A

Higher than

22
Q

Which uses the tissue sensitivity factor?

A

Effective dose

23
Q

What uses the radiation weighting factor?

A

Equivalent dose

24
Q

For foreshortening: beam is _____ to the tooth and the receptor and tooth are _____

A

not perpendicular (to the tooth), not parallel

25
Q

If the tooth is not parallel to the receptor, and the beam is perpendicular to the tooth, the tooth will appear

A

Longer than the actual size (elongation)

26
Q

The latent period in radiation biology is

A

The time between radiation exposure and onset of biological effects

27
Q

Effect of radiation to the oral cavity in regards to erupted teeth are

A

Indirect

28
Q

What is an example of an indirect effect of radiographs taken in the oral cavity

A

Radiation caries

29
Q

Error picture (left hand corner was all blurry and white)

A

Bending

30
Q

According to 2012 FDA/ADA recommendations, what radiographs would you take for a new patient?

A

Individualized radiographics based on clinical assessment

31
Q

According to 2012 FDA/ADA recommendations, what radiographs would you take for an adult recall patient?

A

Posterior bitewings at 24-36

32
Q

Bisecting angle technique is perpendicular to what

A

Neither the tooth or receptor

33
Q

Overlapping of contacts occurs due error in what

A

Horizontal angulation

34
Q

What would decrease the penumbra of the image?

A

Increasing source to object ratio

35
Q

Increasing the source to object distance will

A

Increase sharpness, decrease magnification

36
Q

This picture is due to what technical error

A

Incorrect xcp assembly

37
Q

According to the slob rule, when you move the tubehead mesially, and the object also moves mesially, where is it located?

A

Lingually

38
Q

What is the most lethal part of hematopoietic syndrome?

A

Sepsis

39
Q

Which part of acute radiation syndrome has the most severe biological effects?

A

CNS/Cardiovascular Syndrome

40
Q

What is true about stochastic effects?

A

Probability of occurrence is proportional to dose

41
Q

Image of cone cut, asked which collimator and what caused the cone cut

A

Rectangular; Improper horizontal angulation

42
Q

Miss nice lady A got cancer from radiation but her kids were not affected?

A

Somatic issue

43
Q

Which of the following causes increased effects of radiation biology?

A

Increase oxygen and younger age

44
Q

On MiCAPS, the mirror option will help fix

A

Plate exposed backwards

45
Q

Protocol for taking radiographs on a pregnant patient

A

Indicated for acute, painful dental problems diagnosis only

46
Q

Which of the following is not a syndrome of acute radiation syndrome?

A

Renal

47
Q

Increasing which of the following decreases penumbra (unsharpness)?

A

Source to object distance

Radiology (35 decks)

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