PhlebotomyCâu 53 / 100
According to the standard order of draw, which specimen is collected first when a blood culture is ordered along with other tests?
a.Blood culture (sterile) tubes/bottles
b.Light blue (sodium citrate) tube
c.Lavender (EDTA) tube
d.Red (no additive) tube
Giải thích
Blood cultures are always drawn first to maintain sterility and prevent contamination that could cause false results. The standard order of draw then proceeds to light blue, then serum tubes, then green, lavender, and gray. Following the correct order prevents additive carryover between tubes.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- In the CLSI order of draw, which tube is collected immediately after blood culture bottles?
- A lavender-top (purple) tube is required for a complete blood count (CBC). Which additive does it contain?
- A green-top tube is used for many chemistry (plasma) tests. Which additive does it contain?
- A gray-top tube containing sodium fluoride is most appropriate for which test?
- A plain red-top tube (no additive or with clot activator only) is typically used to collect which specimen type?
- At what angle should the needle be inserted during a routine venipuncture?
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