Term
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Definition
| this carries deoxygenated blood from the right ventricle to the lungs (oxygenation takes place at the alveoli) and returns oxygenated blood from the lungs to the left atrium. |
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Term
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Definition
| this carries oxygenated blood from the left ventricle throughout the body. |
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Term
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Definition
| this is an atrioventricular valve, being situated between the right atrium and right ventricle. |
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Term
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Definition
| a semi lunar valve situated between the right ventricle and the pulmonary artery. |
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Term
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Definition
| (also known as the bicuspid valve) – this is another atrioventricular valve, being situated between the left atrium, and left ventricle. |
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Term
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Definition
| a semi lunar valve situated between the left ventricle and the aorta. |
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Definition
| The endothelial inner layer lining of the heart. |
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Term
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Definition
| The muscular middle layer. This is the contractile element of the heart. |
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Term
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Definition
| The fibrous outer layer of the heart. The coronary arteries, which supply blood to the heart, are found in this layer. |
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Term
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Definition
| Aorta, arteries, arterioles, capillaries, venules, veins, superior and inferior vena cavae. |
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Term
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Definition
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Term
| cellular portion of blood is called |
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Definition
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Term
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Definition
| 55% of the circulating blood and it contains proteins, amino acids, gases, electrolytes, sugars, hormones, minerals, vitamins, and water (92%). |
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Term
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Definition
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Definition
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Definition
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Term
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Definition
| hemoglobin, the oxygen-carrying protein. |
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Term
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Definition
| It enters the blood as an immature reticulocyte where in one to two days, it matures into an erythrocyte. |
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Term
| How many million RBC's are per microliter of blood. |
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Definition
| There are 4.2 to 6.2 million RBC‟s (red blood cells) per microliter of blood. |
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Term
| What is the normal life span for a RBC? |
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Definition
| The normal life span of an RBC is 120 days. |
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Term
| What do leukocytes function to do? |
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Definition
| The leukocytes function is to provide the body protection against infection. |
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Term
| What is the normal amount of WBC per milliliter? |
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Definition
| The normal amount of WBC‟s (white blood cells) for an adult is 5,000 to 10,000 per microliter. |
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Term
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Definition
| which is an increase in WBCs, is seen in cases of infection and leukemia. |
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Term
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Definition
| which is a decrease in WBCs, is seen with viral infection or chemotherapy. |
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Term
| How many types of WBCs are in the blood? |
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Definition
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Term
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Definition
| the most numerous, comprise about 40% to 60% of WBC population. They are phagocytic cells, meaning, they engulf and digest bacteria. Their number increases in bacterial infection, and often, the first one on the scene. |
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Term
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Definition
| the second most numerous, comprising about 20% to 40% of the WBC population. Their number increases in viral infection, and they play a role in immunity. |
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Term
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Definition
| comprising 3% to 8% of the population, they are also the largest WBCs. They are monocytes while in the circulating blood, but when they pass into the tissues, they transform into macrophages and become powerful phagocytes. Their number increases in intracellular infections and tuberculosis. |
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Term
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Definition
| represent 1% to 3% of the WBC population. They are active against antibody-labeled foreign molecules. Their numbers are increased in allergies, skin infections, and parasitic infections. |
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Term
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Definition
| account for 0% to 1% of WBCs in the blood. They carry histamine, which is released in allergic reactions |
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Term
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Definition
| are small irregularly shaped packets of cytoplasm formed in the bone marrow from megakaryocytes. Essential for blood coagulation, the average number of platelets is 140,000 to 440,000 per micro liter of blood. |
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Term
| life span of thrombocytes (platelets? |
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Definition
| They have a life span of 9 to 12 days. |
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Term
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Definition
| the process by which blood vessels are repaired after injury. |
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