The Packed Cell Volume (PCV) Test 1. Objective: This is one of the oldest tests done in medical practice. The objective of this test was to determine the percentage of red blood cells (RBCs) in whole blood. It also helped to assess the blood’s capacity to carry oxygen. ________________________________________ 2. Principle: The test was based on the principle that when blood was centrifuged, the red blood cells settled at the bottom of the tube, forming a packed column. The ratio of the packed RBC column to the total blood column gave the packed cell volume (PCV), expressed as a percentage. ________________________________________ 3. Materials: • Microhematocrit capillary tubes • Microhematocrit centrifuge • Plasticine or sealing clay • Microhematocrit reader • Lancet • Alcohol swab • Cotton ________________________________________ 4. Procedure (Microhematocrit Method): 1. The fingertip was cleaned with an alcohol swab and pricked with a sterile lancet. 2. Blood was collected into ...
DIABETES AND RICE INTAKE:THE RISK? Diabetes, a result of high blood sugar, is one of the leading cause of death worldwide. Diabetes is a disease that occurs when your blood glucose, also called blood sugar, is too high. It is a chronic disease that occurs either when the pancreas does not produce enough insulin or when the body cannot effectively use the one produced. Today 415 Million people worldwide are living with diabetes.It is estimated that in 2040 more than half a billion will have diabetes. Many people have pointed out the correlation between rice consumption and diabetes,and alot more have given up rice intake for health reasons. Let's, see the comparison between rice and sugar and get back to the subject matter shall we? Cooked rice is far more nutritious than sugar, and it is also much lower in carbohydrates and calories. An image of cooked rice in a bowl Raw rice is a high-calorie, high-carbohydrate food. 100 grams of raw rice contains 70 grams of carbohydrates and 34...