Unit 8 Study Guide

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Unit 8 Study Guide

1. How many liters of blood does the average adult have?
5 Liters
2. What are the components of blood?
WBCs, Plasma, RBCs, and Platelets
3. What does the hematocrit measure?
It calculates the proportion of complete blood which is made of red blood cells. 4. What percentage of blood are cells?
5. What percentage of blood is made of plasma?
6. What do erythrocytes look like and what is their function? Erythrocytes provide oxygen to the body, they’re red blood cells, and have an even leveled surface. 7. How do mature erythrocytes differ from immature ones?

The immature cell has a nucleus and the mature cell doesn’t contain a nucleus 8. What is a normal RBC Count?
For adult males, it is nearly 4.8-6.2 Million cells per mm cube and for adult females it’s approximately 4.4-5.4 Million cells per mm cube 9. What makes blood red?
The hemoglobin makes the blood red.
10. How long does the average RBC live?
They live for about 120-130 days
11. What hormone controls the rate of rbc synthesis?
12. What element is part of a red blood cell?
Calcium is a part of a red blood cell
13. What is sickle-cell anemia and what is its cause?
A problem in the blood because an irregular hemoglobin. The cause of it is an inheritance. 14. What are the causes of Anemia
A Low hematocrit causes Anemia.
What is the difference between sickle cell anemia and sickle trait? Sickle cell is the absolute disease, and sickle trait is someone who may carry the trait for the disease which may mean, if they were to have a children they could perhaps get the disease. 15. What percentage of white blood cells are eosinophils? 2-4

16. What is a Lymphocyte?
A cell of the lymphoid system that partakes and is active in the immune response. 17. What is a chemical that stimulates cells to produce antibodies? Antigen
18. What percent of blood is lymphocytes?
Lymphocytes construct up 20-30%...
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