Blood and Blood Vessels
Study Guide: 1. Describe the 6 levels of structural organization. a. Chemical – atoms combine to form molecules b. Organelle – all cells of humans and other complex organisms contain structures c. Cells – the smallest units of all living things d. Tissues – consist of groups of similar cells that have a common function e. Organ – a structure that is composed of two or more tissue types and performs a specific function for the body f. Organ System – a group of organs that cooperate to accomplish a common purpose 2. True or false: arteries always contain oxygen-rich blood. g. true 3. Is blood a tissue? h. Blood is considered …show more content…
47. What combination of symptoms might indicate leukemia? . Immature EBCs found in the bloodstream . Bone marrow occupied with cancerous WBCs . WBC production increases but cells aren’t functional 37. 49. What is prothrombin? . The inactive form of thrombin 38. 50. Why don’t platelets form a plug in our blood vessels all the time? What would happen if they did? What is the difference between a thrombus and an embolus? . Prevented by the structural and molecular characteristics of endothelial cells lining the blood vessels . Embolus xxxi. Thrombus that is freely floating in the blood xxxii. Cerebral emboli 33. strokes xxxiii. Pulmonary emboli 34. Impairs O2 delivery at lungs . Thrombus xxxiv. Clot in blood vessel xxxv. Blocks circulation
39. 52. Why is a daily intake of aspirin recommended to somebody at a high risk of cerebral embolism? . Asprin xxxvi. Anti-prostaglandin xxxvii. Inhibits clotting mechanism xxxviii. Platelets less likely to stick together 40. 55. Why is it important to identify the protein antigens on an individual’s