Hema 1
What is the total volume of blood in an average adult?
What is 6L or 7-8% of the body weight
What are reticulocytes?
What are Immature RBCs
What is the name for immature neutrophils?
What are segments/neutrophilic bands
This white blood cells releases histamine and is rarely foud in the blood stream but is found in the tissues (mast cells)
What are basophils
What is the reagent used as a fixative in the blood smear staining process?
What is methanol
What is the percentage of plasma in blood composition?
What is 55% plasma - 90% water 10% soluble biochemicals - proteins, carbs, vitamins, hormones, enzymes, lipids, salts, and trace elements.
Which type of hemoglobin is responsible for causing sickle cell anemia?
What is Hemoglobin S
What is Size, shape, and quality of RBCS
Artifact resulting from incorrect preparation of the blood film, usually failure to dry it adequately
What is Crenated RBC
This reagent is used as the primary stain in hematology
What is EOSIN
What colour does the RNA in reticulocytes stain?
What is blue
WBC group made up of neutrophils, eosinophils and basophils
What is Granulocytes
An increase in eosinophils is often seen in what type of cases?
What are allergic conditions and parasitic infections
The procedure for determining the distribution of the 5 types of leukocytes is called:
Differential count
This reagent is used as a counterstain in Hematology
What is Methylene Blue
What is the most popular anticoagulant used to prevent clotting during a coagulation
What is sodium citrate
The most common anticoagulant used in routine hematology procedures
What is EDTA
These are the largest white blood cells
What are monocytes
What is the name of the stain most commonly used in hematology?
What is Wright’s stain or Wright-Giemsa stain
Round, densely staining purple granules that stain similar to dense nuclear chromatin are called
What are Howell-Jolly bodies
Variation in RBC shape
What is Poikilocytosis
Platelets are derived from what large nuclear cells?
What are Megakaryocytes
These are the smallest White blood cells, they are the same size as RBCs
What is the purpose of Fixing slides before staining?
The term used to describe changes in size of RBCs
What is Anisocytosis