Maria, who was recently hired in her first job as a phlebotomist, has been sent to the intensive care unit to collect a stat hemoglobin and hematocrit and protime on a patient. The patient is an elderly woman. Her left arm has an intravenous line. Maria checks the right arm and finds
a small but suitable vein. She decides to use a butterfly with the evacuated tube system and selects a light blue top and a lavender top from her
blood collection tray. The patient's nurse asks her how long she thinks it will take because she wants to give the patient a shot in that arm. Maria
tells her that she only has two tubes to collect so it shouldn't take long. The nurse leaves. Maria makes a successful veripurícture, fills the light
blue top and mixes it gently by inverting it eight times. Then she fills the lavender top. After finishing the dran, property labeling the tubes and
checking and bandaging her patient she returns to the lab. Specimen processing immediately rejects the protime and asks her to recollectie
1 Why do you think specimen processing rejected the protime?
2. How did the way Maria collected the specimen cause the problem?
3. Why does the lab reject tubes with this problem?
4. What can Maria do differently when she recollects the specimen?