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線上整合練習-單元三

Authored by 義大血庫 義大血庫

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線上整合練習-單元三
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

關於劑量效應之抗原性比較,何者正確?

heterozygous > homozygous

heterozygous < homozygous

heterozygous = homozygous

Answer explanation

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2.

MULTIPLE SELECT QUESTION

1 min • 10 pts

下列敘述哪一些抗體可能會有劑量效應之干擾(複選)

Anti-M

Anti-Fyb

Anti-C

Anti-Jkb

Anti-Mia

Answer explanation

呈”dosage effect”的抗原系統:Rh, Duffy, MNKidd

3.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

Media Image

有一病人抗體篩檢結果如下,操作抗體鑑定要跑panocell時,該選擇用何種方法操作?

僅MP

僅LISS

MP、LISS皆要操作

Answer explanation

因MP及LISS抗體篩檢結果反應不一致,若僅單獨擇一方法跑Panocell可能會造成某些Ab被遮蔽。

4.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

Media Image

操作抗體鑑定時,此病人抗體篩檢MP及LISS結果如表,需要加做抗體篩檢在4 ℃時的反應嗎?

需要

不需要

Answer explanation

IS皆為陰性,MP法僅S I有1+,不懷疑為Cold Ab;若為Cold Ab干擾通常S I~S III及Auto皆會有相同強度之陽性反應。

5.

OPEN ENDED QUESTION

5 mins • 10 pts

Media Image

Panocell結果如表,請問依目前Panocell及抗體篩檢結果,此病人體內有何異體抗體?

Evaluate responses using AI:

OFF

6.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

下列關於Lewis血型系統敘述何者錯誤?

最常見抗原為Lea、Leb
為紅血球製造之抗原
抗原會從血漿吸附至紅血球上
操作鑑定時無須考慮是否有劑量效應的影響

7.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

Media Image

抗體篩檢結果如下,請問當遇此狀況欲區分是Auto Ab或是Cold Ab,下列敘述何者正確?

DAT若為陰性則可直接排除Cold Ab

抗體篩檢以LISS法操作,若結果皆為陰性,則可懷疑為Auto Ab

如遇強冷型抗體,可以Per-warm方式排除干擾

將試管靜置於4℃ 10分鐘後,立即離心皆為1+,則可懷疑為Cold Ab

Answer explanation

1. DAT Neg可排除auto Ab

2. 若LISS法操作ABS皆為陰性,可懷疑為Cold Ab(37度無反應)

3. Cold Ab需於4度10分鐘IS需>2+

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