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VET 226 Week 1
Erythrocytes
Question | Answer |
---|---|
Blood is composed of _____ and ______ components. | cellular, liquid |
Whole blood | AKA vascular blood Consists of plasma and all cellular components |
Peripheral blood | Blood in vessels that is carried to and from the heart and lungs |
Plasma | Fluid portion of blood 93% water |
Plasma makes up ____% of blood samples (depends on species) | 45-78 |
Feline average PCV | 35% |
Canine average PCV | 45% |
Predominant plasma proteins are _____ and ______. | Albumin, globulin |
Fibrinogen is found in _____. | plasma |
A protein molecule that is the functional part of an erythrocyte and gives red blood cells their color. | Hemoglobin |
Hemoglobin carries ____ | O2 |
Central pallor | Thinnest area of an erythrocyte |
Sulfhemoglobin | Occurs during natural aging process |
Methemoglobin | Occurs naturally in plasma and erythrocytes |
Methemoglobin can be converted to hemoglobin for ____ delivery. | oxygen |
Carboxyhemoglobin | Formed from exposure to carbon monoxide |
A carboxyhemoglobin is ________ | irreversible |
Embryonic hemoglobin | Found in developing fetus |
Hematopoiesis | Production of all blood cells |
Fetus hematopoiesis occurs in the ____ and _____ | liver, spleen |
Extra blood is stored in the _____ | spleen |
Blood volume of an animals lean bodyweight | 50-100 ml/kg Avg, 75 ml |
Erythropoiesis | RBC production |
Erythropoietin is produced by cells in the _____ in response to ______ oxygen in the blood. | kidney, decreased |
RBCs have a ______ shape. | biconcave |
Intravascular hemolysis is responsible for ___ of RBC destruction. | 10% |
Senescence | Process of aging |
With regenerative anemia bone marrow responds by increasing ____ production. | erythrocyte |
Small animals will regenerate the erythrocytes in ____ days. | 4-7 |
With nonregenerative anemia there is no response from _______ and no _______. | bone marrow, reticulocytes |
Hemolytic anemia | Erythrocyte destruction within the blood |
Anemia is classified through _______ and erythrocyte ____. | hemoglobin concentration, size |
Polycythemia | An increase in PCV/total cell mass of blood Caused by dehydration or hypoxia |
Polycythemia rubra vera | Rare bone marrow disease causing increased RBC reproduction |
EDTA does not interfere with _______. | Romanowsky stain |
PCV measures ___ | Percentage of red blood cells |
The monolayer should be inspected just past the ______ edge. | feathered |