Which of the Following is True Regarding Red Blood Cells

Question

Which of the following is true regarding red blood cells?
A) They are anucleate.
B) They survive for approximately one year.
C) They have a biconvex shape.
D) They are produced in the spleen.
E) They primarily carry carbon dioxide.

Accepted Answer

Red blood cells, also known as erythrocytes, do not have a nucleus, as it is expelled during their development in the bone marrow.

Answer: B
 Red blood cells have a lifespan of approximately 120 days, not one year.

Answer: C
 Red blood cells have a flattened, biconcave shape, which increases their surface area and allows for efficient gas exchange.

Answer: D
 Red blood cells are primarily produced in the bone marrow, not the spleen.

Answer: E
 Red blood cells primarily carry oxygen, not carbon dioxide. Carbon dioxide is transported by the blood via the plasma or bound to hemoglobin in red blood cells.