arrt review: image production (grid conversions, additive v destructive) Flashcards

1
Q

grid conversion factor
no grid

A

1

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2
Q

grid conversion factor
5:1

A

2

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3
Q

grid conversion factor
6:1

A

3

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4
Q

grid conversion factor
8:1

A

4

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5
Q

grid conversion factor
10:1, 12:1

A

5

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6
Q

grid conversion factor
16:1

A

6

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7
Q

grid conversion factor formula

A

mAs1/mAs2 = GCF1/GCF2

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8
Q

grid ratio formula

A

height/distance

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9
Q

is the following disease additive or destructive?
abscess

A

additive

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10
Q

is the following disease additive or destructive?
edema

A

additive

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11
Q

is the following disease additive or destructive?
tumors

A

additive

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12
Q

is the following disease additive or destructive?
anorexia nervosa

A

destructive

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13
Q

is the following disease additive or destructive?
atrophy

A

destructive

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14
Q

is the following disease additive or destructive?
emaciation

A

destructive

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15
Q

is the following disease additive or destructive?
atelectasis

A

additive

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16
Q

is the following disease additive or destructive?
bronchiectasis

A

additive

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17
Q

is the following disease additive or destructive?
cardiomegaly

A

additive

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18
Q

is the following disease additive or destructive?
congestive heart failure

A

additive

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19
Q

is the following disease additive or destructive?
emphyema

A

additive

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20
Q

is the following disease additive or destructive?
pleural effusion

A

additive

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21
Q

is the following disease additive or destructive?
pneumoconioses

22
Q

is the following disease additive or destructive?
pneumonia

23
Q

is the following disease additive or destructive?
pneumonectomy

24
Q

is the following disease additive or destructive?
tuberculosis

25
Q

is the following disease additive or destructive?
emphysema

A

destructive

26
Q

is the following disease additive or destructive?
pneumnothorax

A

destructive

27
Q

is the following disease additive or destructive?
aortic aneurysm

28
Q

is the following disease additive or destructive?
ascites

29
Q

is the following disease additive or destructive?
cirrhosis

30
Q

is the following disease additive or destructive?
calcified stones

31
Q

is the following disease additive or destructive?
bowel obstruction

A

destructive

32
Q

is the following disease additive or destructive?
aerophagia

A

destructive

33
Q

is the following disease additive or destructive?
acromegaly

34
Q

is the following disease additive or destructive?
chronic osteomyelitis

35
Q

is the following disease additive or destructive?
hydrocephalus

36
Q

is the following disease additive or destructive?
osteochondroma

37
Q

is the following disease additive or destructive?
Paget’s disease

38
Q

is the following disease additive or destructive?
sclerosis

39
Q

is the following disease additive or destructive?
osteopetrosis

40
Q

is the following disease additive or destructive?
Ewing’s sarcoma

41
Q

is the following disease additive or destructive?
active osteomyelitis

A

destructive

42
Q

is the following disease additive or destructive?
aseptic necrosis

A

destructive

43
Q

is the following disease additive or destructive?
carcinoma

A

destructive

44
Q

is the following disease additive or destructive?
degenerative arthritis

A

destructive

45
Q

is the following disease additive or destructive?
fibrosarcoma

A

destructive

46
Q

is the following disease additive or destructive?
gout

A

destructive

47
Q

is the following disease additive or destructive?
hyperparathyroidism

A

destructive

48
Q

is the following disease additive or destructive?
multiple myeloma

A

destructive

49
Q

is the following disease additive or destructive?
osteolytic metastases

A

destructive

50
Q

is the following disease additive or destructive?
osteomalacia

A

destructive

51
Q

is the following disease additive or destructive?
osteoporosis

A

destructive