Download MLT-MLS Hematology 2025-2026 UAMS exam 1 review already passed and more Exams Nursing in PDF only on Docsity!
MLT-MLS Hematology 2025-
UAMS exam 1 review already passed
cell destruction inside the bone marrow - correct answer ✔✔Intramedullary Hemolysis increase in the number of white blood cells - correct answer ✔✔Leukocytosis Within the blood vessel - correct answer ✔✔Intravascular outside the blood vascular system - correct answer ✔✔Extravascular Spleen, liver, Thymus, Bone Marrow, Lymph nodes - correct answer ✔✔RES system organs Inside the bone marrow - correct answer ✔✔Where does hematopoiesis occur? along the lining in the bone marrow - correct answer ✔✔Where do megakaryocytes reside? platelets - correct answer ✔✔What come from magakaryocytes? kidneys - correct answer ✔✔Where does erythropoietin come from? formation and destruction of cells - correct answer ✔✔What is the function of the RES system? 50:50 - correct answer ✔✔What is the fast to cell ratio in an adult?
in all long bones - correct answer ✔✔What is the location of the bone marrow in children? Plasma cells, megakaryocytes, immature red cells, macrophages, immature WBCs - correct answer ✔✔Which cells are in bone marrow? Banded neutrophils, segmented neutrophils, eosinophils, basophils, monocytes, lyphocytes and platelets - correct answer ✔✔Which cells are in peripheral blood? red marrow - correct answer ✔✔Which bone marrow cell is hemopoeitically active? spleen - correct answer ✔✔Which organ is involved in red cell circulation? 120 days - correct answer ✔✔How long do RBCs live? myeloblast-> promyelocyte->myelocyte->metamyelocyte, banded neutrophil-> segmented neutrophils - correct answer ✔✔What is the sequence of WBC maturation? Myelocyte - correct answer ✔✔What cell is the most present at the dawn of neutrophilia? pluripotent stem cell - correct answer ✔✔What cell has the ability to become any cell? Flow cytometry - correct answer ✔✔What can you use to tell the difference between T cells and B cells? Basophil- mast cells
myeloblasts and the RBC lineage. (sometimes monocytes and lymphocytes) - correct answer ✔✔What cells do NOT have granules? -most uncommon of granulocytes: have blue-purplish granules, and usually hidden nucleus -release histamine - correct answer ✔✔Basophils morphology elongated band-shaped, bi-lobed or tri-lobed nucleus cytoplasm has red/red-orange staining granules feline: numerous small rod-shaped granules canine: varying size granules in same cell -seen during parasitic infection - correct answer ✔✔Eosinophil morphology contains pink cytoplasm with specific granules and a nucleus with coarse chromatin that is deeply indented more than 50% of the width of the nucleus - correct answer ✔✔banded neutrophil
- correct answer ✔✔segmented neutrophil morphology largest leukocyte nucleus is elongated & lobed or kidney bean shaped abundant cytoplasm, may have vacuoles, phagocytosed particles stains gray, foamy looking - correct answer ✔✔Monocyte morphology second most abundant leukocyte round or slightly indented nucleus thin rim of blue-stained cytoplasm
larger than nucleated RBC - correct answer ✔✔Lymphocyte morphology Mature cells - correct answer ✔✔What kind of cells have condensed nucleus clumping? neutrophils, eosinophils, basophils - correct answer ✔✔What are granulocytes? Monocytes - correct answer ✔✔What cell is most known to have vacuoles? Myeloblast is much bigger lymphocyte nucleus is much darker - correct answer ✔✔How can you tell the difference between a Myeloblast and a lympyocyte? (cells counted X dilution factor X depth factor)/ # of squares counted - correct answer ✔✔What is the formula for a total cell count? to lyse the RBCs - correct answer ✔✔Why do you use acetic acid as a dilution? anything the size of a cell gets counted - correct answer ✔✔What are the negatives in the coulter principle? 1% - correct answer ✔✔What % of RBC's are removed and replaced daily? (WBC x100)/ (#NRBC +100) - correct answer ✔✔What is the corrected WBC count formula? (NRBC) Neutophils 50%-70% - correct answer ✔✔What is the dominant WBC seen in peripheral blood?
Testosterone - correct answer ✔✔Why are men's WBC count higher than women's WBC count? Smaller - correct answer ✔✔Do RBCs become larger or smaller as they mature? bone marrow peripheral blood - correct answer ✔✔Where are mature WBC's found? plasma/ B cells - correct answer ✔✔What cells make antibodies? Macrophages - correct answer ✔✔What cell can break down old RBC's? Liver - correct answer ✔✔Which organ conjugates bilirubin? Polychromasia - correct answer ✔✔What is the term that describes basophilic RBCs on wrights stain? Decrease the staining time - correct answer ✔✔If RCBs on a slide are too blue, what is needed to be done? size - correct answer ✔✔How are WBC distinguished from platelets? Promylocyte - correct answer ✔✔Which precursor cell are primary granules first observed? Myelocyte - correct answer ✔✔Which white blood cell precursor is the last cell to undergo mitosis?
Myelocyte - correct answer ✔✔Which cell is the fist where secondary granules appear and the fist cell where we an visualize if the cell will mature to become a eiosinophil, basophil or neutophil?
- correct answer ✔✔picture of monocyte
- correct answer ✔✔picture of a segmented neutrophil
- correct answer ✔✔picture of eosinophil
- correct answer ✔✔picture of banded neutrophil
- correct answer ✔✔picture of lymphocyte 0.9 mm (cubed) - correct answer ✔✔What is the total volume of the hemacytometer? Directly adjacent to the endothelial cell lining - correct answer ✔✔Within the hematopoietic cords of bone marrow, where are the megakaryocytes located? formation and development of blood cells occurring primarily in the bone marrow and peripheral lymphatic tissues - correct answer ✔✔Hematopoiesis accumulation and adhesion of leukocytes to the epithelial cells of blood vessel walls at the site of injury in the early stages of inflammation. - correct answer ✔✔Margination
- Pronormoblast
- Basophilic normoblast
- correct answer ✔✔picture of Metarubricyte
- correct answer ✔✔picture of Reticulocyte
- correct answer ✔✔picture of Promyelocyte
- correct answer ✔✔picture of Myelocyte
- correct answer ✔✔picture of Banded neutrophil
- correct answer ✔✔picture of metamyelocyte
- correct answer ✔✔picture of basophil term used to describe a RBC as diffusely basophilic cell seen on the Wright stained peripheral smear - correct answer ✔✔Polychromasia Term used to describe an anucleated RBC that shows mesh like pattern of dark blue treads and particles, vestiges of endoplasmic reticulum, when stained with New Methylene blue superavital stain - correct answer ✔✔Reticulocyte Preform a corrected WBC count - correct answer ✔✔While performing a manual differential on an adult peripheral smear, 25 nucleated red blood cells are noted per 100 white blood cells. What corrective action must be taken?
Basic and stains acidic and basophilic cellular components (such as RNA) - correct answer ✔✔Methylene blue Acidic and stains basic and eosinophilic components such as hemoglobin and eosinophilic granules - correct answer ✔✔Eosin Fixes the cells to the slide - correct answer ✔✔Methanol Controls the pH of the staining - correct answer ✔✔Buffer RBC should appear orange to salmon pink WBC nuclei should be purple to blue Cytoplasm of neutrophils should be pink to tan with violet or lilac granules Eosinophils should have bright orange refractile granules - correct answer ✔✔What describes the microscopic appearance of a well made, well stained peripheral smear? Pink to purple color Contains a smooth feathered edge The smear should cover two thirds of the area of the slide - correct answer ✔✔What describes the macroscopic appearance of a well made, well stained smear? Decrease staining time - correct answer ✔✔RBC's appear gray and WBC's are too dark (excessively blue) Increase staining time, decrease rinsing time - correct answer ✔✔Red Blood Cells too pale or appear red and WBC's are barely visible
Verify the slide orientation (make sure the stained slide is up) Ensure oil is added - correct answer ✔✔If someone one is able to get the smear focused with 10X and 40X but has a problem on 100X, what could be the problem? 560,000 - correct answer ✔✔Upon examining a blood smear, and average of 28 platelets are found in five slides, what is the expected platelet count? RBCs are lysed by diluting factor (either Acetic acid or ammonium oxilate) - correct answer ✔✔Why do we not see red blood cells in the chamber while performing a manual WBC using the hemacytometer? Decrease - correct answer ✔✔Effects on Manual WBC counts: Pulling blood out of the pipet when wiping the excess blood from the tip Decrease - correct answer ✔✔Effects on Manual WBC counts: Not drying out the methanol from the chamber before loading Increase or decrease - correct answer ✔✔Effects on Manual WBC counts: Not mixing the dilution before loading the chambers increase or decrease - correct answer ✔✔Effects on Manual WBC counts: Counting the same square twice not affected - correct answer ✔✔Effects on Manual WBC counts: Mixing the dilutions before loading chambers increase or decrease - correct answer ✔✔Effects on Manual WBC counts: Calculating wrong
decrease - correct answer ✔✔Effects on Manual WBC counts: Not letting cells settle on the chamber before counting increase - correct answer ✔✔Effects on Manual WBC counts: Not cleaning excess blood off the outside of the pipette tip not affected - correct answer ✔✔Effects on Manual WBC counts: Elevated RBC count 1-3% - correct answer ✔✔% of eosinophils 0-2% - correct answer ✔✔% of basophils 2-11% - correct answer ✔✔% of monocytes 20-40% - correct answer ✔✔% of lymphocytes 3.6-10.6 - correct answer ✔✔Reference interval WBC 150-450 - correct answer ✔✔Reference interval platelets
