Red Blood Cells
Essential question: How does blood maintain homeostasis?
- Describe Ian's symptoms:
- What might be some causes of a swollen abdomen?
- What is the function of red blood cells?
- What is the function of white blood cells?
2. What is splenomagaly? What might cause it?
3. What are the functions of the spleen?
Sketch and label the arteries that supply blood to the spleen
4. Results of the blood test...
Shape of blood cells =
Number of red blood cells =
Number of white blood cells =
Color of white blood cells =
What is hypochromia?
A person trained to draw blood is a ________________________________
5. What is Ian's diagnosis?
Based on the Punnett square, what is the chance of Ian's parents having a child with the disorder?
Blood and Blood Cells
6. Blood is a type of _______________________ tissue.
What are the two components:
_______________ 45% _____________________ 55%
7. What is hematocrit?
Would Ian have a normal hematocrit (why or why not?)
8. Three Types of Blood Cells
Erythrocytes = __________________
Leukocytes = __________________
Thrombocytes = __________________
How does the shape of the blood differ in those with beta thalassemia?
How does the shape of the blood differ in sickle cell versus beta thalassemia?
9. RED BLOOD CELLS (erythrocytes)
What protein makes blood cells? _______________________
How many are found in a cubic millimeter? ________________
What cell structure is missing from blood cells? __________________
What would happen if a person has a low amount of iron in their diet?
10. In addition to hypochromia, how do red blood cells differ in those with beta thalassemia?
If RBC's don't normally have a nucleus, how do forensic scientists get DNA from blood samples?
11. What is hematopoiesis? Where does it occur? ___________________________________
Compare the genetic codes of normal DNA to that of Beta thalassemia. What is different?
12. What disorder is similar to beta thalassemia?_____________________________________
13. What hormone causes the production of rbc's? _____________________________________
Do you think someone with beta thalassemia would be treated with EPO? Why or why not?
Athletes sometimes train at high altitudes to increase EPO. What effect would that have on their performance?
EPO raises your hematocrit level, thickening the blood. What health problem might occur as a result?
14. Oxygen Levels
Oxyhemoglobin = _______________________ Deoxyhemoglobin = ____________________
Blood returns to the heart through ______________, leaves the heart through _________________
Veins and arteries meet at _______________________________
15. What color is blood that is drawn from an artery?
16. Explain why blood looks blue when it's seen through your skin? (Hank's video)
