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Blood Components🧪
Blood Components🧪 🩸Plasma: Transports nutrients, hormones, and waste; helps regulate fluid balance and temperature 🩸RBCs: Transport oxygen and carbon dioxide 🩸Buffy coat: includes WBCs & platelets WBCs: Defends against infections & supports immune response Platelets: Aid in clotting to prevent excessive bleeding #nursing #nursingstudent #hematology #nurse #BSN #RN #LPN #bloodcomponents
Tuberculin Test (Mantoux Test)
Tuberculin Test (Mantoux Test) Definition: The Tuberculin Skin Test (TST), commonly known as the Mantoux test, is an intradermal diagnostic test used to detect Mycobacterium tuberculosis infection. Procedure: A small amount (0.1 mL) of Purified Protein Derivative (PPD) is injected intradermally into the inner forearm. The test site is examined 48 to 72 hours later to measure any induration (raised, hardened area). Interpretation of Results: 0-4 mm = Negative (No TB infection or very weak immune response) 5-9 mm = Doubtful (Considered positive in immunocompromised patients or TB exposure cases) ≥10 mm = Positive (Possible TB infection; further tests required) ≥15 mm = Strongly positive (High likelihood of TB infection) Causes of a Positive Result: Latent or active TB infection Previous BCG vaccination Infection with other Mycobacteria species https://youtube.com/@filibethmsemwa2573?si=X4E79zDvmFjaVfZv
HbA1C TEST
HbA1c 🤔 HbA1c test is a simple blood test that measures your average blood sugar levels over the past 3 months. It helps to diagnose prediabetes and diabetes and also helps manage diabetes. Hemoglobin is a protein found in red blood cells which carries oxygen throughout your body. The sugar in your blood is called glucose which binds to the hemoglobin in your red blood cells. The A1c test measures how much glucose is bound to the red cells. Red blood cells live for about 3 months, so the test shows the average level of glucose in your blood for the past 3 months. Interpretations Below 5.7%: Normal 5.7 to 6.4: Prediabetes 6.5 or higher: Diabetes
