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Explain why having high local levels of vascular endothelial growth factor (VEGF) can help tumors grow in cell number. Answer: Vascular endothelial growth factor (VEGF) is a growth factor that promotes angiogenesis, the growth of new blood vessels. High local levels of VEGF can help tumors grow in cell number because they stimulate the growth …
Explain the difference between a proto-oncogene and an oncogene, and the relevance of gain-of-function mutations in these genes. Give an example of an oncogene that is common to many cancers. Answer: A proto-oncogene is a normal gene that can become an oncogene, a gene that promotes the development of cancer, through mutations. Gain-of-function mutations in …
Identify the role of vitamin K in clotting and the vitamin K deficiency states Vitamin K plays a crucial role in the process of blood clotting by activating several clotting factors in the coagulation cascade. Vitamin K deficiency leads to impaired clotting function, causing bleeding and increased risk of injury. This deficiency occurs as a …
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Characterize the role of the endothelium in clotting and anticlotting mechanisms, describe Virchow’s Triad Answer: The endothelium, the inner lining of blood vessels, plays a crucial role in maintaining blood flow and preventing blood clots. It releases substances that promote clotting as well as substances that inhibit clotting. When the balance between these substances is …
Explain the basis of lab tests that assess clotting function Answer: Lab tests for assessing clotting function measure the time it takes for blood to form clots and the amounts of clotting factors and platelets in the blood. Common tests include the PT (Prothrombin Time), APTT (Activated Partial Thromboplastin Time), and INR (International Normalized Ratio) …
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Identify the source of blood bilirubin and urine urobilinogen Bilirubin is a byproduct of hemoglobin breakdown in the liver and it is excreted from the body in the bile and eliminated in the feces. Urobilinogen is a product of bilirubin metabolism. Some urobilinogen is reabsorbed into the bloodstream and eliminated in the urine, giving it …
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Educational Program on Risk Management – Part One: Outline of Topic The purpose of this assignment is to create an educational program that supports the implementation of risk management strategies in a health care organization. In this assignment, you will develop an outline for an “in service style” educational risk management program for employees of …
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Identify the lab tests used in diagnosis of iron-deficiency anemia and relate these tests back to the physiological mechanisms of iron movements in the body Diagnosis of iron-deficiency anemia typically involves multiple laboratory tests, including: Complete Blood Count (CBC) – to assess red blood cell count, size, and hemoglobin content Ferritin – to measure iron …
Review the structure and function of hemoglobin A Answer: Hemoglobin A (HbA) is the main type of hemoglobin found in adults and is composed of four subunits, each containing an iron molecule. Its primary function is to bind to oxygen in the lungs and transport it to the tissues, where it releases the oxygen for …
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Proposal to leadership of a nursing informatics project that advocates to improve patient outcomes and efficiency Be sure to review the Learning Resources before completing this activity. Click the weekly resources link to access the resources. WEEKLY RESOURCES To Prepare: Review the concepts of technology application as presented in the Resources. Reflect on how emerging …