# CTE Resource Center - Verso - Patient Care Technician Task 549762183

CTE Resource Center - Verso

Virginia’s CTE Resource Center

Explain the order of the draw (for tubes).


Explanation should include the following as Clinical and Laboratory Standard Institute (CLSI) lists the order of draw:
  • Blood culture tube
  • Coagulation tube (e.g., blue closure)
  • Serum tube with or without clot activator and with or without gel (e.g., red closure)
  • Heparin tube with or without gel plasma separator (e.g., green closure)
  • EDTA tube with or without gel separator (e.g., lavender closure, pearl closure)
  • Glycolytic inhibitor (e.g., gray closure)

Process/Skill Questions

  • Why is the order of the draw important?
  • What color tube is drawn first?
  • What is a potential complication for not drawing a blank tube of blood if indicated?
  • Why is the order of the draw so important?

Related Standards of Learning



The student will read, interpret, analyze, and evaluate a variety of nonfiction texts.
  1. Use critical thinking to generate and respond logically to literal, inferential, and evaluative questions about the text(s).
  2. Identify and synthesize resources to make decisions, complete tasks, and solve specific problems.
  3. Analyze multiple texts addressing the same topic to determine how authors reach similar or different conclusions.
  4. Recognize and analyze use of ambiguity, contradiction, paradox, irony, overstatement, and understatement in text.
  5. Analyze false premises claims, counterclaims, and other evidence in persuasive writing.


The student will analyze, evaluate, synthesize, and organize information from a variety of credible resources to produce a research product.
  1. Frame, analyze, and synthesize information to solve problems, answer questions, and generate new knowledge.
  2. Analyze information gathered from diverse sources by identifying misconceptions, main and supporting ideas, conflicting information, point of view, or bias.
  3. Critically evaluate the accuracy, quality, and validity of the information.
  4. Cite sources for both quoted and paraphrased ideas using a standard method of documentation, such as that of the Modern Language Association (MLA) or the American Psychological Association (APA).
  5. Define the meaning and consequences of plagiarism and follow ethical and legal guidelines for gathering and using information.
  6. Demonstrate ethical use of the Internet.