With reference to Sickle cell anaemia consider the following statements 1 Red blood cells die e...........

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With reference to Sickle-cell anaemia, consider the following statements.

1.Red blood cells die earlier when infected with this disease.

2.It is a contagious disease and can be transmitted between close family members.

3.It affects only children.

4.Bone-marrow transplant can be a treatment of this disease.

Select the correct answer using the codes below.

2 and 4 only

1, 2 and 3 only

1 and 4 only

1, 2 , 3 and 4

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Explanation:

The term sickle cell disease (SCD) describes a group of inherited red blood cell disorders. People with SCD have abnormal hemoglobin, called hemoglobin S or sickle hemoglobin, in their red blood cells.
Hemoglobin is a protein in red blood cells that carries oxygen throughout the body.
Statement 1: With sickle cell disease, an inherited group of disorders, red blood cells contort into a sickle shape. The cells die early, leaving a shortage of healthy red blood cells (sickle cell anaemia) and can block blood flow causing pain (sickle cell crisis).
Infections, pain and fatigue are symptoms of sickle cell disease.
Treatments include medication, blood transfusions and rarely a bone-marrow transplant.
Statement 2: “Inherited” means that the disease is passed by genes from parents to their children. SCD is not contagious. A person cannot catch it, like a cold or infection, from someone else.

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