disease of the newborn (HDN)? Hemolytic disease of the newborn is also called erythroblastosis fetalis. This condition occurs when there is an incompatibility between the blood types of the mother and baby. * "Hemolytic" means breaking down of red blood cells * "Erythroblastosis" refers to making of immature red blood cells * "Fetalis" refers to fetus ------------------------------------------------- What causes hemolytic disease of the newborn (HDN)? HDN most frequently occurs when
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Biology Fall 2011-2012 Exam Review [pic][pic] The graphs above show the results of two separate experiments on the same species of plant. Students now want to determine how the use of rainwater or bottled water affects the growth of this plant. Which conditions should be used for optimal growth as the two water types are tested? Answer:_______________________________________________________________________________________________________________ WHY?____________________________________
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males. Erythropoetin makes red blood cells and therefore‚ more are found in males than in females. 4. List the following values from Chart 1: Hematocrit value for healthy male living in Denver 55 Hematocrit value for healthy female living in Denver 53 5. How did these
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Lecture 1 Slide 1 ● The first type of blood cells that we will focus on are the erythrocytes‚ also called the red blood cells. These are the cells that transport oxygen in the blood from the lungs to the tissues. These cells also help transport some of the carbon dioxide from the tissues to the lungs. The main function of erythrocytes‚ namely oxygen transport‚ is carried out by the protein that makes up the majority of the protein composition of the cell‚ hemoglobin. We will also be looking at how hemoglobin delivers oxygen
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A hematocrit measures the percentage of blood that is comprised of RBC’s and can determine a needed transfusion. Fluid volume in the blood affects hematocrit values. Hematocrit levels rise with an increase in the number of RBC’s or a decrease in the plasma volume. An elevated hematocrit is most often associated with severe burns‚ diarrhea‚ and dehydration‚ where water in tissues decreases. The low level of plasma water concentrates the RBC’s leading to the condition‚ hemoconcentration. An elevated
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Case Study: Spherocytosis Spherocytosis is a condition that affects red blood cells. People with this condition typically experience a shortage of red blood cells which is anemia‚ yellowing of the eyes and skin also known as jaundice‚ and an enlarged spleen which is called splenomegaly. Most newborns with spherocytosis have severe anemia‚ although it improves after the first year of life. Splenomegaly can occur anytime from early childhood to adulthood. About half of affected individuals develop
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Anemia A blood type is a classification of blood based on the presence or absence of inherited antigenic substances on the surface of red blood cells (RBCs). These antigens may be proteins‚ carbohydrates‚ glycoproteins‚ or glycolipids‚ depending on the blood group system. Some of these antigens are also present on the surface of other types of cells. Some of these red blood cell surface antigens can stem from one allele and collectively form a blood group system. It is called The ABO system and it
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Hemolytic Uremic Syndrome (HUS)‚ is a referred to as a disease characterized by hemolytic anemia‚ caused by the destruction of red blood cells‚ acute kidney failure (uremia)‚ and a low platelet count (thrombocytopenia). Although‚ it mostly affects children‚ there have been cases of adults with this illness. The destroyed red blood cells block the filtering system in the kidneys‚ which can lead to a life-threatening kidney failure. HUS usually develops in children after five to 10 days of diarrhea
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Ex: sickle-cell disease II. Sickle-cell disease A. Homozygous for sickle-cell allele. B. Oxygen-carrying protein hemoglobin differs by one amino acid from normal hemoglobin. C. Defective hemoglobin forms crystal-like structures that change the shape of the red blood cells. D. Normal red bloods cells are disc-shaped‚ but abnormal red blood cells are sickle-shaped or half- moon. E. The change in shape occurs in the body’s narrow capillaries after hemoglobin delivers oxygen to the cells. F. Heterozygous
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proliferate indefinitely (uncontrolled cell growth)‚ ability to invade surrounding normal tissue (invasion)‚ ability to spread throughout the body (metastasis) Cancer is also characterized by a long latent period between time of exposure and development of the disease Carcinogen- any substance‚ chemical or radiation that is capable of triggering the development of cancer Carcinogenesis: Initiation- carcinogen alters genetic message Promotion- stimulation of rapid cell growth Progression- increase
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