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Questions and Answers
Red blood cells have a nucleus and organelles.
Red blood cells have a nucleus and organelles.
False (B)
The shape of a red blood cell is a spherical structure.
The shape of a red blood cell is a spherical structure.
False (B)
The average life span of a red blood cell is 60 days.
The average life span of a red blood cell is 60 days.
False (B)
Hemoglobin occupies around 25% of the corpuscular volume of a red blood cell.
Hemoglobin occupies around 25% of the corpuscular volume of a red blood cell.
The cytoskeleton of a red blood cell is composed of microtubules and intermediate filaments.
The cytoskeleton of a red blood cell is composed of microtubules and intermediate filaments.
The biconcave shape of RBCs increases the surface area by 40-50% more than if they had a spherical shape.
The biconcave shape of RBCs increases the surface area by 40-50% more than if they had a spherical shape.
The average life span of a Red Blood Corpuscle (RBC) is 100 days.
The average life span of a Red Blood Corpuscle (RBC) is 100 days.
The absence of a nucleus in RBCs allows for more space in the cytoplasm for carrying hemoglobin.
The absence of a nucleus in RBCs allows for more space in the cytoplasm for carrying hemoglobin.
The concentration of hemoglobin at the center of the cytoplasm facilitates its binding to oxygen and carbon dioxide.
The concentration of hemoglobin at the center of the cytoplasm facilitates its binding to oxygen and carbon dioxide.
The average RBC count in males is 4.5-5 million/mm3.
The average RBC count in males is 4.5-5 million/mm3.
The structure of the cytoskeleton helps the RBCs to be stretched through the narrowest blood capillaries without being damaged.
The structure of the cytoskeleton helps the RBCs to be stretched through the narrowest blood capillaries without being damaged.
Red Blood Corpuscles are responsible for transporting CO2 and O2 to and from the tissues of the body.
Red Blood Corpuscles are responsible for transporting CO2 and O2 to and from the tissues of the body.
The selective permeability of the cell membrane to oxygen and carbon dioxide reduces their diffusion rates during gas exchange.
The selective permeability of the cell membrane to oxygen and carbon dioxide reduces their diffusion rates during gas exchange.
The diameter of RBCs measures about 10 to 12 micrometers in diameter.
The diameter of RBCs measures about 10 to 12 micrometers in diameter.
Erythrocytes contain insoluble enzymes that are responsible for glycolysis.
Erythrocytes contain insoluble enzymes that are responsible for glycolysis.
Aged RBCs are destroyed by macrophages in the liver, spleen, and bone marrow due to changes in their cytoplasmic composition.
Aged RBCs are destroyed by macrophages in the liver, spleen, and bone marrow due to changes in their cytoplasmic composition.
RBCs have a nucleus.
RBCs have a nucleus.
