Which of the following statements regarding sickle cell disease is correct?
A. Sickle cell disease is an inherited blood disorder that causes the blood to clot too quickly.
B. In sickle cell disease, the red blood cells are abnormally shaped and are less able to carry oxygen.
C. The red blood cells of patients with sickle cell disease are round and contain hemoglobin A.
D. Because of their abnormal shape, red blood cells in patients with sickle cell disease are less apt to lodge in a blood vessel.
Ans: B. In sickle cell disease, the red blood cells are abnormally shaped and are less able to carry oxygen.
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