2.醫用直線加速器1/2

2.醫用直線加速器1/2

University

10 Qs

quiz-placeholder

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2.醫用直線加速器1/2

2.醫用直線加速器1/2

Assessment

Quiz

Education

University

Medium

Created by

品質保證 品質保證

Used 7+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

1.依照現行法規,醫用直線加速器的光照野與輻射照野的一致性校驗,最短需多久檢查一次?

每年

每月

每週

每日

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

2.依現行法規規定,在假體參考深度下,測得輻射照野寬度80%內,其最大劑量(M)及最小劑量(m),分別 為 100 及 95 cGy,試計算照野平坦性(field flatness)為多少%

2.56

5.12

2.05

4.1

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image
3.根據AAPM TG-45號報告的定義,如圖的照野平坦度為何?

1.49%

3.00%

49.00%

50.70%

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

4.依現行輻射醫療曝露品質保證標準規定,所謂的輻射照野是指輻射照射區域內,百分之多少的輻射劑量範圍?

30

50

70

80

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

5.醫用直線加速器的光子劑量,其輸出穩定性的每日品保誤差容許值為何?

<1%

<2%

<3%

<4%

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image
6.如圖是下列那一項品保測試項目?

十字交叉線中心位置

光照野與輻射照野一致性

準直儀輻射旋轉中心

定位雷射

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

7.直線加速器每月的品保工作應保持劑量輸出誤差在多少%內?

5

3

2

1

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