An Overview of Clinical Laboratory Hematology Exam Questions with Correct Answers Fully Solved

An Overview of Clinical Laboratory Hematology Exam Questions with Correct Answers Fully Solved Hemoglobin measurement relies on a weak solution of potassium cyanide and potassium ferricyanide, called - Answers Drabkin reagent Hematocrit is also called - Answers packed cell volume (PCV) mean cell volume (MCV), a volume measurement recorded in - Answers femtoliters (fL) Mean Cell Hemoglobin Concentration (MCHC) expessed in - Answers g/dl the MCH in _________ expresses the mass of _______ and parallels the MCHC - Answers picograms (pg) Hemoglobin expresses the degree of variation in RBC volume - Answers RBC distribution width Extreme RBC volume variability is visible on the wright-stained blood film as variation in diameter and is called - Answers anisocytosis ___________ erythrocytes, are closely observed because they indicate the ability of the bone marrow to increase RBC production in anemia due to blood loss or excessive RBC destruction. - Answers Polychromatic Methylene blue dyes are also called - Answers nucleic acid stains or vital stains Used to differentiate and count these young RBCs. - Answers Nucleic acid stains Young RBCs contain ribonucleic acid (RNA) and are called _________ when the RNA is visualized using vital stains. - Answers Reticulocytes WBCs may be counted visually using a _______ and __________ - Answers microscope hemacytometer In counting WBC, the technique is the same as RBC counting, but the typical dilution is ________, and the diluent is a ______________. - Answers 1:20 dilute acid solution The acid causes RBCs to lyse or rupture; without it, RBCs, which are 500 to 1000 times more numerous than WBCs, would _________ the WBCs. - Answers obscure Medical laboratory professionals who analyze body fluids such as __________ or_______ may employ visiual WBC counting. - Answers cerebrospinal fluid pleural fluid Decreased WBC count (fewer than 4500/uL) - Answers leukopenia Increased WBC count (more than 11,500/uL) is called - Answers leukocytosis The microscopist must differentiate the categories of WBCs in the blood by using a _________ blood film and ____________ - Answers Wright-stained Light microscopy are phagocytic cells whose major purpose is to engulf and destroy microorganisms and foreign material,either directly or after they have been labeled for destruction by the immu