13.實施上顎結節麻醉(tuber anesthesia)時,有時會因出血而引起頰部及上顎結節部腫脹,這是因
為注射針傷及下列何處所致?
(A)上齒槽後動脈(posterior superior alveolar artery)或靜脈翼叢(pterygoid plexus)
(B)腭大動脈(greater palatine artery)或顏面靜脈(facial vein)
(C)腭小動脈(lesser palatine artery)或面深靜脈(deep facial vein)
(D)腭大動脈(greater palatine artery)或腭小動脈(lesser palatine artery)
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統計: A(811), B(78), C(27), D(216), E(0) #1037399
統計: A(811), B(78), C(27), D(216), E(0) #1037399