Question

Which of the following statements about sickle cell anemia is INCORRECT? Select one: a. Prenatal diagnosis of sickle cell anemia can be made by examination of DNA from fetal cells obtained by amniocentesis. b. Red cells have a shorter than normal survival in the circulation c. No treatment is available. d. Newborn infants homozygous for the sickle cell gene have few symptoms because their red cells also contain a large amount of fetal hemoglobin as well as sickle cell hemoglobin e. Clumps of sickled red cells block blood vessels when blood oxygen content is reduced, which impedes blood flow to vital organs.

Answer 1

c, No treatment is available.
Treatment is available with over the counter medication, bone marrow transplantation, supplementary medication to relieving symptoms and preventing complications.
Sickle-shaped red blood cells breakdown faster than normal normal cells.
If any parent has sickle cell disease we can have a prenatal test to find the baby has SCD or not
In sickle cell disease, red blood cells stuck together easily and block small blood vessels.
Newborn infants homozygous for the sickle cell gene have hemoglobin S allele and pathogenic variants cause abnormal hemoglobin polymerization. The newborn infant at 4 months old has no symptoms or fewer symptoms of sickle cell disease.