Dietary iron is transported in the blood mostly bound to ferritin. 1. Pernicious anaemia is caused by reduced vitamin B12 absorption. 2. In vitamin B12 deficiency treatment is rarely required for more...

Dietary iron is transported in the blood mostly bound to ferritin.

1. Pernicious anaemia is caused by reduced vitamin B12 absorption.

2. In vitamin B12 deficiency treatment is rarely required for more than 3 months.

3. The blood film in pernicious anaemia shows microcytosis.

4. Both vitamin B12 and folate are essential for DNA synthesis.