| Question | Answer |
| Platelets | Any of the membrane-bound fragments in blood that release substances necessary for clot formation - come from megakaryocytes. |
| What are leukocytes? | White blood cells (WBC) |
| Leukocytes & platelets contribute less than __ % of blood volume. | 1% |
| Plasma proteins account for __% of plasma volume. | 8% |
| Erythrocytes (RBCs) are little more than __. | "Bags" of hemoglobin (Hb). |
| Plasmapheresis | Plasma is removed, sepated from formed elements, & formed elements returned to patient or donor. |
| 3 roles of blood. | Distribution, regulation & protection |
| Blood is slightly __ with a pH of __. | alkaline, 7.35 - 7.45 |
| What are the formed elements of blood? | Living blood cells (erythrocytes, leukocytes) & platelets |
| What is plasma? | Nonliving fluid matrix of blood |
| Except for hormones & gamma globulins, most plasma proteins are produced by __. | Liver |
| Myeloproliferative disorder | Leukoerythroblastic disorder involving fibrosis of bone marrow, polycthemia vera, and leukemia. |
| Septicemia | Blood poisoning - Situation of excessive and harmful levels of bacteria or their toxins in blood. |
| What are erythrocytes? | Red blood cells (RBC) |
| A CBC includes counts of? | The different types of formed elements. |
| Erythrocytes constitute about __% of blood volume sample, a percentage known as __. | 45%, hematocrit |
| Hematoma | Bruise - accumulated, clotted blood in the tissues |
| Albumin | Blood buffer - main contributor to osmotic pressure - 60% of plasma protein - carrier to shuttle certain molecules. |
| If severe need for blood cell production, the __ & __ may resume fetal blood-forming roles. | Liver & spleen |
| Blood accounts for about __ % of body weight. | 8% |
| Plasma makes up about __% of whole blood. | 55% |
| Normal hematocrit in males is __%, females __% | 47% +/- 5%, 42% +/- 5% |
| 60% of plasma proteins are __. | Albumin |
| Blood volume in males = __ & females = __. | 5-6L, 4-5 L |
| 3 ways blood regulates functions in body. | Body temp (distributing heat t/o), pH (buffers), & fluid volume |
| Hematocrit is? | %of erythrocytes in whole blood sample. |
| Blood is __ than body temp. | hotter - about 100.4 degrees F. |
| Of the formed elements, only __ are complete cells. | Leukocytes or WBCs |
| 2 ways blood is protective. | Preventing blood loss (platelets & proteins) & preventing infection (antibodies, WBCs) |
| Buffy coat is? | Whitish layer found through centrifuge that contains leukocytes & platelets |
| 90% of plasma is? | Water |
