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BIO 202 EXAM SCRIPT VERIFIED QUESTIONS WITH COMPLETE SOLUTION REVIEW

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BIO 202 EXAM SCRIPT VERIFIED QUESTIONS WITH COMPLETE SOLUTION REVIEW

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BIO 202 EXAM SCRIPT VERIFIED
QUESTIONS WITH COMPLETE SOLUTION
REVIEW

●● Two main components of whole blood
Answer: Plasma and formed elements.


●● Components of plasma
Answer: Water, plasma proteins, electrolytes, nutrients, gases, hormones,
and wastes.


●● Major plasma proteins
Answer: Albumin, globulins, fibrinogen.


●● Albumin function
Answer: Maintains osmotic pressure and transports substances.


●● Globulin function
Answer: Transport and immune defense.


●● Fibrinogen function
Answer: Blood clotting.

,●● Difference between plasma and serum
Answer: Plasma contains clotting proteins; serum does not.


●● Formed elements of blood
Answer: Erythrocytes, leukocytes, and platelets.


●● RBC morphology
Answer: Biconcave disc with no nucleus.


●● RBC function
Answer: Transport oxygen and carbon dioxide.


●● Hemoglobin structure
Answer: Protein made of globin and heme containing iron.


●● Hemoglobin function
Answer: Carries oxygen.


●● RBC lifespan
Answer: About 120 days.

, ●● What happens to degraded RBCs
Answer: Iron is recycled, globin broken into amino acids, bilirubin
excreted.


●● Oxygenated blood
Answer: Blood rich in oxygen.


●● Deoxygenated blood
Answer: Blood low in oxygen and higher in carbon dioxide.


●● Anemia
Answer: Decrease in RBCs or hemoglobin.


●● Polycythemia
Answer: Increase in RBC count.


●● Erythropoiesis
Answer: Production of RBCs.


●● Erythropoietin
Answer: Hormone stimulating RBC production.

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