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4.電腦斷層定位、治療

Authored by 品質保證 品質保證

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4.電腦斷層定位、治療
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

電腦斷層治療機(Tomotherapy)每日品質保證作業項目,包含下列那些?①固定雷射之位置②治療室門連鎖③光子輸出劑量一致性④旋轉臂及治療床同步性

①③④
①②④
②③④
①②③

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

電腦斷層治療機(Tomotherapy)品質保證作業項目中,導航影像(MVCT)之輻射劑量,其7張影像之劑量需在多少cGy以下?

2
4
6
8

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

依據「輻射醫療曝露品質保證標準」,電腦斷層治療機(Tomotherapy)「旋轉臂及治療床同步性」誤差容許值為多少毫米以下?

0.5
1
2
3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

電腦斷層治療機(Tomotherapy)品質保證操作中,何種偵檢器最適合做為光子輸出劑量?

Farmer type ion chamber
OSLD
Film
Plate-type ion chamber

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

電腦斷層治療機,準直儀中心與輻射照野對準之品質保證作業,其正確性為:

0.5毫米及0.5度以下
3毫米及小於3度以下
2毫米及小於1度以下
1毫米及小於1度以下

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列各項電腦斷層治療機(Tomotherapy)應實施校驗項目之誤差容許值中,何者錯誤?

固定雷射之位置2mm以下
治療床前進後退之線性2%以下
多葉式準直儀旋轉中心之扭曲測試2 mm及1°以下
光子輸出劑量一致性5%以下

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

依據品保標準,電腦斷層模擬定位掃描儀「水假體影像CT值準確度及假影評估」,其應實施頻次與誤差容許值為:

每天,-10~10 HU
每月,-7~7 HU
每天,-7~7 HU
每月,-10~10 HU

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