RBC Test Exam #1 Questions With 100% Correct Answers | Updated & Verified, Exams of Banking and Finance

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RBC Test Exam #1 Questions With 100%

Correct Answers | Updated & Verified

What is an erythrocyte? - Correct Answer-A red blood cell What is erythropiesis? - Correct Answer-Making of RBC Where does erythrosiesis take place? - Correct Answer-Bone marrow Order of precursor cells - Correct Answer-MPSC, Rubriblast, prorubricyte, rubricyte, metarubricyte, reticulocyte, erythrocyte Why does a RBC have a limited life span? - Correct Answer-No nucleus which means no cell functions. (Membranes become less flexible and become destroyed by spleen) Erythropoietic process - Correct Answer-1. Gradual Decrease in size

2. Decrease in basophillic cytoplasm (Gets lighter as it gets older)
3. Increase in density of the chromatin (nucleus gets darker)
4. Loss of nucleus Write what you know about Diapedisis - Correct Answer-Proestrogen bleeding occurs in response to estrogen levels. First, high estrogen levels makes the dog go into proestrus, then the RBC squeeze thru the pores of the capillary walls. What does an erythrocyte do? - Correct Answer-Carrier of O2 and CO Where is RBCs removed? - Correct Answer-By the RES (reticulo-endothelial system) What is the composition of hemoglobin - Correct Answer-4 heme molecules contain 1 iron atom each Globin - two pairs of polypeptide chains Porphyrin Ring What are polypeptide chains made of? - Correct Answer-Amino Acids Compare a PCV to Machinery - Correct Answer-PCV - Cheap, fast, pretty accurate, for small amount of blood Machinery - More accurate, reproducible, fast What is plasma trapping? - Correct Answer-When the centrifuge is spinning too slowly and traps the plasma and other cells and falsely elevates the PCV What does ESR stand for? - Correct Answer-Erythrocyte Sedimentation Rate

What is ESR? - Correct Answer-RBC settling by gravity Is ESR used in Vet Medicine? - Correct Answer-No, Because it is too time consuming What happens to PCVs in young animals? - Correct Answer-Young animals may have anemia due to poor iron diets in nursing animals What is normocytic? - Correct Answer-Normal size What is macrocytic? - Correct Answer-Larger cell What is microcytic? - Correct Answer-Smaller cell What is polychromasia? - Correct Answer-Multicolored - purple What is normochromic? - Correct Answer-normal color What is hypochromic? - Correct Answer-pale in color What is hyperchromic? - Correct Answer-dark in color What is anisocytosis? - Correct Answer-Abnormal variation in cell size What is poikilocytosis? - Correct Answer-abnormal variation in cell shape What does MCHC stand for? - Correct Answer-Mean Corpuscular Hemoglobin Concentration What does MCHC measure for? - Correct Answer-Oxygen capability of blood What is Howell-Jolly Bodies? - Correct Answer-Remnants of nuclear material after the nucleus has been extruded When will you see Howell-Jolly Bodies? - Correct Answer-Aging in cats What do you stain Howell-Jolly Bodies with? - Correct Answer-Diff-Quick What are Heinz bodies? - Correct Answer-Small inclusions, may appear as projections from RBC surface, they contain hemoglobin When will you see heinz bodies? - Correct Answer-Aging in cats What do you stain Heinz Bodies with? - Correct Answer-New Methylene Blue Where does hemoglobin come from? - Correct Answer-Mitochondria

What is the name for reduced state of iron? - Correct Answer-Ferrous What is the name for oxidized form or stat of iron? - Correct Answer-Ferric What does Hgb like to bond with? - Correct Answer-Co2 better than O When will oxygen bind more loosely? - Correct Answer-in an acidic environment What happens in the end of the breakdown of Hgb? - Correct Answer-AA's and Iron are saved, Co2, Color of urine and feces are out of body Where is Ferritin stored? - Correct Answer-in bone marrow - temporarily Increased destruction of RBCs result in what? - Correct Answer-Hgbemia, and Hgburia What is Hemoglobin measured in? - Correct Answer-g/dl Spencer hemoglobinometer is accurate within what? - Correct Answer-10% What is the simplest test for hemoglobin? - Correct Answer-Acid hematin What is the most accurate test for Hgb? - Correct Answer-Cynamet Hgb test What is an abnormal type of Hgb? - Correct Answer-Methemoglobin What will happen to the patient is there is methemoglobin? - Correct Answer-P will have difficulty breathing Why would having methemoglobin make patients have difficulty breathing? - Correct Answer-Because the Hgb is kept ina ferric state and doesnt participate in O2 and CO transfer What causes a high amount of Methemoglobin? - Correct Answer-Tylenol in cats What is polycythemia? - Correct Answer-increase in RBC How can you physiologically cause polycythemia? - Correct Answer-High altitudes and low temp What is anemia? - Correct Answer-Decreasein RBC Is anemia a dx? - Correct Answer-No, only a c.s. What are the clinical signs for leptospirosis? - Correct Answer-Anemia, icterus, Hgb uria

What is the clinical signs for clostridium hemolyticum? - Correct Answer-ever, hgb uria, icterus, edema, petechiation What is petechiation? - Correct Answer-Pin point blood spots Sheep are very sensitive to what? - Correct Answer-Copper What do you clincially see with lead? - Correct Answer-abdominal and nervous signs such as muscle twitching, seizures, vomitting, diarrhea. Tx for Lead - Correct Answer-Ca EDTA What is the anticoagulant for lead? - Correct Answer-Sodium flouride When does post partuurient anemia and hgb uria occur and in what? - Correct Answer- in dairy cows - 2-3weeks after birth Where do you see immunohemolytic disease of the newborn? - Correct Answer-In horses, pigs, cows and humans When do you see the c.s. of immunohemolytic disease - Correct Answer-12-96 hours after birth What is happening in immunohemolytic disease? - Correct Answer-Antibodies cross placenta and destroy fetal blood How do the antibodies reach the new born? - Correct Answer-Thru the colostrum When does the foal lose the ability to absorb whole antibodies? - Correct Answer-12- hours after birth When can the foal be returned to the dam? - Correct Answer-48-72 hours after birth What are the c.s. for autoimmune hemolytic anemia? - Correct Answer-Increased CRT, pale gums, shortness of breath, dark urine, icterus petechiation What is happening during autoimmune hemolytic anemia? - Correct Answer-The body recognizes the RBC as foreign What will you see under a microscope for autoimmune hemolytic anemia? - Correct Answer-target cells What is the treatment for autoimmune hemolytic anemia? - Correct Answer-steroids What may you see with RBC and WBC in autoimmune hemolytic anemia? - Correct Answer-Erythrophagocytosis

How do you diagnose autoimmune hemolytic anemia? - Correct Answer-Coombs test how could an anemia occur from a secondary cause? - Correct Answer-1. Chronic infection

2. chronic interstitial nephritis
3. chronic liver disease
4. endocrine deficiencies What animal is very sensitive to iron? - Correct Answer-Pigs Two collection sites for bird - Correct Answer-Right jugular and medical metatarsal vein Three most useful test for Avians - Correct Answer-HCT, Total Protein, and Differential What are the two blood chemistry tests for birds? - Correct Answer-glucose and uric acid What are three cells that are different from mammals to birds? - Correct Answer-RBC - oval and nucleated WBC - called heterophil in avians not neutrophils and Thrombocytes - nucleated