Clinical ProceduresCâu 31 / 100
A medical assistant administers a tuberculin skin test on the inner forearm. Which finding indicates correct intradermal technique?
a.The site bleeds freely after the needle is withdrawn
b.No visible change appears at the site
c.A soft, spongy area develops deep under the skin
d.A small pale wheal about 6 to 10 mm forms just under the skin surface
Giải thích
A correctly placed intradermal injection of 0.1 mL raises a pale, taut wheal, confirming the fluid stayed within the dermis. Absence of a wheal or a deep, spongy pocket suggests the dose went subcutaneously and the test must be repeated at another site. Free bleeding indicates the needle went too deep or nicked a vessel.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
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