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線上整合練習-單元二

Authored by 義大血庫 義大血庫

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線上整合練習-單元二
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13 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 10 pts

何種實驗若肉眼判讀為陰性,必須至顯微鏡下確認結果?(複選)

MP

LISS

DAT

IAT

Answer explanation

MP法判讀若有疑慮可置顯微鏡下觀察,但並非每支都一定要。

2.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

LISS法有三個反應期,故可以區分抗體為冷型或是溫型。

3.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

請依下方敘述,選擇適當之試劑: 帶正電,可中和紅血球表面的負電荷,縮短血球間距離,引起非特異性凝集。

LISS
LIM
Polybrene
Resuspending solution

4.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

請依下方敘述,選擇適當之試劑: 促進血漿中抗體作用於紅血球上的數量及作用速度,縮短測試的反應時間。

LISS
LIM
Polybrene
Resuspending solution

5.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

請依下方敘述,填選適當之試劑: 帶負電,可中和陽離子,恢復紅血球表面的負電荷。

LISS
LIM
Polybrene
Resuspending solution

6.

MULTIPLE CHOICE QUESTION

45 sec • 10 pts

下列DAT可能為陰性?

新生兒溶血症

AIHA(自體免疫性溶血性貧血)

延遲性溶血性輸血反應

Rouleaux Formation

Answer explanation

Media Image

Rouleaux Formation可經血漿置換排除干擾,故操作DAT時wash步驟已將血漿移除,則不會有凝集反應。

7.

MULTIPLE CHOICE QUESTION

45 sec • 10 pts

下列敘述何者錯誤?

LISS法洗滌血球時,離心機設定條件為900-1000g,1分鐘
加入AHG判讀結果若為陰性,需再加入Check cell立即離心,價數應>2+,否則實驗應重新操作
Anti-K在LISS法不敏感,須以MP操作
加入LISS後,靜置於37℃ 10分鐘,但不可大於15分鐘

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