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Questions and Answers
What is the normal range of red blood cells (RBC) in men?
What is the normal range of red blood cells (RBC) in men?
- 2.5-4.5 x 10^6/mcl
- 3.0-5.0 x 10^6/mcl
- 4.2-6.1 x 10^6/mcl (correct)
- 5.5-7.5 x 10^6/mcl
What is the primary responsibility of erythrocytes (RBC)?
What is the primary responsibility of erythrocytes (RBC)?
- Maintaining blood pH balance
- Storing iron for the body
- Carrying and transporting oxygen (correct)
- Producing antibodies
What is the molecule responsible for carrying gases and electrolytes in erythrocytes (RBC)?
What is the molecule responsible for carrying gases and electrolytes in erythrocytes (RBC)?
- Ferritin
- Hematocrit
- Myoglobin
- Hemoglobin (correct)
What percentage of total body iron is stored in macrophages?
What percentage of total body iron is stored in macrophages?
What is the life cycle of erythrocytes (RBC) primarily limited by?
What is the life cycle of erythrocytes (RBC) primarily limited by?
What is the primary function of heme in red blood cells?
What is the primary function of heme in red blood cells?
Which molecule is involved in protecting red blood cells against oxidative stress?
Which molecule is involved in protecting red blood cells against oxidative stress?
What regulates the balance between production and destruction of red blood cells?
What regulates the balance between production and destruction of red blood cells?
What happens to the heme and globin when old red blood cells are destroyed?
What happens to the heme and globin when old red blood cells are destroyed?
What is the major iron storage protein?
What is the major iron storage protein?
What carries iron for hemoglobin production to the bone marrow?
What carries iron for hemoglobin production to the bone marrow?
Which enzyme deficiency can result in damage and death to red blood cells?
Which enzyme deficiency can result in damage and death to red blood cells?
What is the normal range for hemoglobin in grams per deciliter?
What is the normal range for hemoglobin in grams per deciliter?
What is the primary role of the biconcavity and reversible deformity of erythrocytes (RBC)?
What is the primary role of the biconcavity and reversible deformity of erythrocytes (RBC)?
Which molecule competitively binds to heme in red blood cells with an affinity 200-300 times greater than oxygen?
Which molecule competitively binds to heme in red blood cells with an affinity 200-300 times greater than oxygen?
What is the main energy source for red blood cells, given their lack of mitochondria?
What is the main energy source for red blood cells, given their lack of mitochondria?
Which enzyme deficiency can lead to damage and death of red blood cells?
Which enzyme deficiency can lead to damage and death of red blood cells?
What is the primary function of transferrin in the bloodstream?
What is the primary function of transferrin in the bloodstream?
What is the primary function of ferritin in iron metabolism?
What is the primary function of ferritin in iron metabolism?
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