Chapter 9

Front

Pre-examination/Preanalytical Phase of Testing

Back

Begins when test order and ends when testing begins

Front

Skills needed in phlebotomist

Back

• technical skills to perform blood draw and ability to recognize reanalytical facts and address them

Front

What is basal state?

Back

Resting state of body early in the morning after fasting 12 hours.

Front

Basal state is influenced by:

Back

Age, gender, and conditions of body

Front

Basal state specimen

Back

Ideal for establishing reference ranges on inpatients; effects of diet, exercise, etc. on test are minimized

Front

Problem sites of burns, scars, and tattoos

Back

veins are difficult to palpate here; may have impaired circulation; new burns are painful; tattoos more susceptible to infection and dyes may interfere

Front

Problem sites of Damaged Veins

Back

sclerosed (hardened), thromblosed (clotted), difficult to puncture and yield erroneous results

Front

Problem Sites of Edema

Back

swelling caused by abnormal accumulation of fluid in tissues; results when fluid from IV infiltrates surrounding tissues; contaminates blood with tissue fluid; veins are harder to locate and tissue is fragile

Front

Problem sites of hematoma

Back

swelling or mass of blood; caused by blood leaking from vessel during venipuncture; can be painful, contaminate blood sample, obstruct blood flow

Front

Problem sites of masetectomy

Back

surgical breast removal; lymph flow is obstructed with removal of lymph nodes; swelling & infection may be present; applying tourniquet here can cause injury; can change blood composition