NRCMA Exam Dumps : Nationally Registered Certified Medical Assistant

When a venipuncture is performed using a lavender top vacutainer tube, the sample is commonly used for hematology testing, such as complete blood counts (CBC). The lavender top tube contains an anticoagulant called EDTA (ethylenediaminetetraacetic acid), which prevents the blood from clotting. This allows for the preservation of the cellular components of the blood for accurate hematological analysis.

References:

Clinical Laboratory Science: The Basics and Routine Techniques by Jean Jorgenson Linné

Phlebotomy Essentials by Ruth E. McCall and Cathee M. Tankersley

Aminortypically cannot legally act as an agent for another patient, including their younger siblings, because they are not considered legally competent to make medical decisions. A parent or a legal guardian can act as an agent for a child or a ward, as they have the legal authority to make healthcare decisions on their behalf.

The termselfrefers toauto. This prefix is used in medical terminology to denote self or same, as seen in words like autoimmune (where the immune system attacks the body's own cells) and autopsy (self-examination of a body after death).

References:

Mosby's Medical Dictionary (10th ed.). (2017). Elsevier.

Stedman's Medical Dictionary (28th ed.). (2006). Lippincott Williams & Wilkins.