blood hematology Questions and Answers

blood hematology Questions and Answers

BLOOD HEMATOLOGY QUESTIONS AND ANSWERS 1
blood hematology Questions and Answers
Before we start exploring the lab, what do ou think we hematologists work with? [Ans: – blood
tubes for collecting blood [Ans: – green sodium heparin biochemistry (ammonia, insulin)
purple/lavander EDTA CBC, blod smears, Hba1c, etc
grey fluoride, oxalate glucose, lactate
blue sodium citrate coagulation tests including bleeding time
red clot activator, hormones, toxicology, etc
yellow/gold serum separating urea and electrolytes, liver function, c-reactive protein, etc
The purple tubes contain EDTA as an additive, which is strong anticoagulant. WHats a role of an
anticoagulant in hematolgy? [Ans: – prevent blood clotting
Whichcomponent of the blood is responsible for blood clotting? [Ans: – platelets/ thrombocytes
what’s the role of the red blood cells? [Ans: – transport of O2 from the lungs
take up oxygen in the lungs and deliver it to all kinds of tissues in the body.
WHat are neutrophils, eosinophils, basophils, lmphocytes and monocytes? [Ans: – they are all white
blood cells also called leukocytes
hematocrit [Ans: – the volume of red blood cells is also defined as hematocrit. after centrifugation,
two layers can be seen. the upper phase consists of the yellowis plasma. RBC sink to the bottom of
the tube after centrifuge as a red lower layer. WBC and platelets setlles in the interface between
both layers.
According to the sample blood count of the control sample, how many red blood cells are present in
the tube, considered that the tube contains 10 ml of blood? [Ans: – 5.1 x 10 10
THe measure hematocrit of the control sample is 42. WHat’s the percentage of blood plasma? [Ans: –
58 hematocrit and plasma make up almost 100%. the buffy coat, composed of WBC and platelets
compose less than 1%
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