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Red Blood Cell Composition and Characteristics Quiz

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Red Blood Cell Composition and Characteristics Quiz

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Questions and Answers

Which of the following is NOT a characteristic of red blood cells (RBCs)?

Lifespan: 90 days (correct)

Volume: 80 to 100 fL

Size: 6 to 8 µm in diameter

Shape: biconcave

What is the function of the pallor area in RBCs?

To carry and deliver oxygen

To prevent lysis

To provide an energy source

To enable the red cells to stretch and pass through narrow capillaries and vessels (correct)

Which type of RBCs has a volume lower than 80 fL?

Normocytic

Microcytic (correct)

Macrocytic

None of the above

What is the main function of hemoglobin in RBCs?

<p>To carry and deliver oxygen</p> Signup and view all the answers

What happens to RBCs as they age?

<p>They lose membrane surface area</p> Signup and view all the answers