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week 3

medical assistant

QuestionAnswer
Purpose of blood alcohol testing Measures the amount of alcohol in the bloodstream.
Why blood is used for alcohol testing Alcohol enters the bloodstream quickly and can be measured within minutes.
What affects blood alcohol concentration Amount consumed, rate of consumption, body weight, and food intake.
Most common site for blood alcohol testing Median cubital vein.
Important precaution for blood alcohol testing Do NOT use alcohol-based antiseptics—use iodine or soap and water instead.
Proper specimen labeling for legal tests Requires chain of custody documentation and patient identification verification.
Purpose of glucose testing Measures the amount of sugar (glucose) in the blood.
When is glucose testing performed? To monitor diabetes or evaluate hypoglycemia/hyperglycemia.
Normal fasting blood glucose range 70–99 mg/dL.
Common methods of glucose testing Capillary fingerstick or venous blood draw.
What to do before performing glucose testing Ensure hands and testing site are clean and dry.
Why is glucose testing important? Helps detect diabetes and monitor glucose control in patients.
What is therapeutic phlebotomy? The removal of a prescribed amount of blood to treat blood disorders.
Conditions treated with therapeutic phlebotomy Hemochromatosis, polycythemia, porphyria.
How much blood is typically removed during therapeutic phlebotomy? Usually 1 unit (about 500 mL).
Purpose of therapeutic phlebotomy Reduces red blood cell count or iron levels to prevent complications.
Precautions during therapeutic phlebotomy Monitor patient vitals and observe for dizziness or fainting.
Created by: lexidoll
 

 



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