Describe the physical characteristics of whole blood. List the components of blo

Question

Describe the physical characteristics of whole blood. List the components of blood. Provide both the full name and common name. Which of the component are complete cells? Hematocrit a. Define hematocrit. b. Describe the elements formed in a hematocrit, and the normal percentage of each. c. What does a hematocrit indirectly measure? d. What would an increased or decreased hematocrit indicate? List the eight functions of blood. Place each function into one of the three blood function categories. Plasma a. What is plasma? b. Describe the composition of plasma. c. List in order the three major plasma proteins. d. Provide the function of each plasma protein. e. How is serum different from plasma? Erythrocytes a. What is its common name? b. State the function of erythrocytes. c. What protein in RBC binds oxygen? d. Describe the three structural characteristics that contribute to RBC's function. e. How long do erythrocytes live? f. Where in the body are erythrocytes destroyed? Hemoglobin a. Describe the general structure of Hb? b. What part of Hb will bind oxygen? c. How many oxygen molecules will each Hb carry? d. How many globin molecules are in each Hb? Are all globin the same? e. What is the function of the and globin of hemoglobin? f. List the three types of hemoglobin. For each state: where in body it is found, what is bound to the Hb, and the color of Hb. It terms of hemoglobin, explain the health risk of carbon monoxide. Hemopoiesis a. Define. b. Where does it occur in the body? c. What portion of the blood will it produce? d. What is the name of the cell that begins ? Erythropoiesis a. Define b. Where does it occur in the body? c. In order from start to end, list the seven cells involved in erythropoiesis. d. Step by step describe the of e. Which cells contain ribosomes? Contain hemoglobin? Contain a nucleus? f. Which cells produces most of the ribosomes? Most of the hemoglobin?

Explanation / Answer

2. Components of blood:

a. Erythrocytes- Red blood cells

b. Leukocytes- White blood cells

i. Granulocytes (polymorphonuclear leukocytes)- Neutrophils (neutrocytes), Eosinophils, Basophils

ii. Agranulocytes (mononuclear leukocytes - Lymphocytes, Monocytes

c. Platelets- thrombocytes

d. Blood plasma

3.Leukocytes or white blood cells i.e. Neutrophils (neutrocytes), Eosinophils, Basophils, Lymphocytes, Monocytes are complete cells with nucleus. Whereas, erythrocytes (RBCs) and thrombocytes (platelets) are non-nucleated cells.

4. a. Hematocrit is the ratio of volume of red blood cells to volume of whole blood.

b. Elements formed are:

Red blood cells- 99%

Leukocytes- 0.1%

Platelets- Less than 1%.

c. Hematocrit indirectly measures the volume of red blood cells in blood.

d. Increased hematocrit indicates condition of Polycythemia

Decreased hematocrit indicates condition of Anemia

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