How blood is collected process
Answers
Answer:
Procedure of blood collection
A blood sample is taken by a physician, in a laboratory or hospital and in many cases the blood sample is sent on to analysis. It takes about 5 minutes to take a blood sample. Blood samples are taken in the arm, hand, finger or ear, depending on the analysis to be made.
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Explanation:
Venipuncture is the most common way to collect blood from adult patients. Collection takes place from a superficial vein in the upper limb, generally the median cubital vein; this vein is close to the skin and doesn’t have many large nerves positioned close by. This reduces pain and discomfort for the patient.
Venipuncture can take place in a general medical practitioner’s office and is often carried out by a trained phlebotomist or nurse. However, its commonality does not equate with it being the best way to collect a blood sample. Many patients find it inconvenient and worrisome. There are also risks related to the storage, transportation, and potential loss or contamination of the blood samples once they are collected. These same concerns also affect the suitability of arterial sampling.