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SET 5 (Roent, Oral Diagnosis & Oral Surgery) > Radio > Flashcards

Radio Flashcards

1
Q

most sensitive to radiation- induced cancer

A

Breast

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2
Q

radiographic finding of ectodermal dysplasia

A

Congenitally Missing teeth

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3
Q

Least radiosensitve cell

A

CT cell

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4
Q

Radition measurement 100 ergs/gm

A

Rad

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5
Q

radiolucency of apex of a single vital

A

Traumatic Bone Cyst

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6
Q

some distance from the teeth that cause distortion

A

Increase target-film distance

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7
Q

mA primarily controls

A

Number of electron produced

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8
Q

quality of an xray beam

A

Half- value layer

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9
Q

radiograph of a px thick, heavy bones

A

Increase kVP

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10
Q

nonparticulate radiation energy

A

Xrays

Gamma rays

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11
Q

radiograph signs of trauma from occlusion include each ff. except

A

Vascular infiltration of the PDL

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12
Q

operator receive the greatest from what type of radiation

A

Secondary & scatter

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13
Q

Ameloblastoma of the mandible similar radiographically to which ff.?

A

CGCG

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14
Q

adding aluminum disk in primary xray beam is to

A

Reduce long wavelength radiation

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15
Q

least susceptible to xradiation

A

Mature Bone

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16
Q

reducing px radiation

A

Proper collimatipn
Increased filtration
fast films
higher kv

17
Q

operators of denta

xray machines should not exceed

A

100 miliroentgens per week

18
Q

basic effect of xradiation upon living tissue

A

Ionization

19
Q

xrays which most likely absorbed by the skin & produce an xray injury

A

Xrays long wavelength

20
Q

lateral tooth roots

A

Globulomaxillary Cyst

21
Q

Most difficult to distinguish

A

Methyl Methacrylate

CaOH

22
Q

produce localozed or generalized radioapacities

A

Condensing Osteitis
Alber schonberg disease
Chronic Scelorosing Osteomyelitis

23
Q

Radioapacities Periapical Radiograph

A

Hamular process
Ant.NasalmSpine
Zygoma
Mylohyoid Ridge

24
Q

decrease exposure time

A

Intensifying screen

25
Q

wavelength of xray photons

A

Kilovoltage

26
Q

sharpness of the radiographic image is increased bu

A

Increasing focal spot object distance

27
Q

mA controls the

A

temperature

Amount radiatiom produced

28
Q

Purpose os step up transformer

A

Voltage to the tube anode-cathode circuit

SET 5 (Roent, Oral Diagnosis & Oral Surgery) (4 decks)

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