blood hematology | Questions with 100% Verified Answers |
Latest Update 2026/2027
Question: Before we start exploring the lab, what do ou think we hematologists work with?
Answer: blood
Question: tubes for collecting blood
Answer: 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
Question: The purple tubes contain EDTA as an additive, which is strong anticoagulant. WHats a role of an
anticoagulant in hematolgy?
Answer: prevent blood clotting
Question: Whichcomponent of the blood is responsible for blood clotting?
Answer: platelets/ thrombocytes
Question: what's the role of the red blood cells?
Answer: transport of O2 from the lungs take up oxygen in the lungs and deliver it to all kinds of tissues in the
body.
Question: WHat are neutrophils, eosinophils, basophils, lmphocytes and monocytes?
Answer: they are all white blood cells also called leukocytes
Question: hematocrit
Answer: 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.
Question: 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?
Answer: 5.1 x 10 10
Question: THe measure hematocrit of the control sample is 42. WHat's the percentage of blood plasma?
Answer: 58 hematocrit and plasma make up almost 100%. the buffy coat, composed of WBC and platelets
compose less than 1%
Question: While the sample is being analyzed, let's review the functions of our equipment. How does an
automatic hematology analyzer determine the total number of cells?
Answer: based on electrical resistance since the blood is mixed with and electrolyte solution, they can be
distinguished as nonconductive in an electric field.
Question: Here is the result for Patient 1. WHich parameters show an abnormal value?
Answer: WHite blood cells count WBC and platelets PLT
Latest Update 2026/2027
Question: Before we start exploring the lab, what do ou think we hematologists work with?
Answer: blood
Question: tubes for collecting blood
Answer: 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
Question: The purple tubes contain EDTA as an additive, which is strong anticoagulant. WHats a role of an
anticoagulant in hematolgy?
Answer: prevent blood clotting
Question: Whichcomponent of the blood is responsible for blood clotting?
Answer: platelets/ thrombocytes
Question: what's the role of the red blood cells?
Answer: transport of O2 from the lungs take up oxygen in the lungs and deliver it to all kinds of tissues in the
body.
Question: WHat are neutrophils, eosinophils, basophils, lmphocytes and monocytes?
Answer: they are all white blood cells also called leukocytes
Question: hematocrit
Answer: 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.
Question: 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?
Answer: 5.1 x 10 10
Question: THe measure hematocrit of the control sample is 42. WHat's the percentage of blood plasma?
Answer: 58 hematocrit and plasma make up almost 100%. the buffy coat, composed of WBC and platelets
compose less than 1%
Question: While the sample is being analyzed, let's review the functions of our equipment. How does an
automatic hematology analyzer determine the total number of cells?
Answer: based on electrical resistance since the blood is mixed with and electrolyte solution, they can be
distinguished as nonconductive in an electric field.
Question: Here is the result for Patient 1. WHich parameters show an abnormal value?
Answer: WHite blood cells count WBC and platelets PLT
