Vitamin B12 and Iron Deficiency Quiz

The condition associated with increased demand of vitamin B12 is

• Hypothyroidism

• Splenectomy

• Pregnancy

• Aplastic anemia

Consequence of vitamin B12 deficiency is impaired

• Folic acid synthesis

• DNA synthesis

• Production of intrinsic factor

• Absorption of iron

Vitamin B12-IF complex is absorbed in

• Second part of duodenum

• First part of duodenum

• Jejunum

• Ileum

The following does NOT cause vitamin B12 deficiency

• Ileal resection

• Colectomy

• Fish tapeworm infestation

• Pernicious anemia

The intrinsic factor is required for the absorption of

• Vitamin B12

• Zinc

• Magnesium

• Iron

Deficiency of intrinsic factor may be caused by

• Malabsorption syndrome

• Gastrectomy

• Crohn disease

• Large bowel resection

The best and earliest hematological finding in megaloblastic anemia is

• Decreased hematocrit

• Hypersegmented neutrophils

• Poikilocytosis

• Decreased hemoglobin

The peripheral blood smear in megaloblastic anemia shows following features EXCEPT

• Hypersegmented neutrophils

• Increased reticulocytes

• Macroovalocytes

• Howell-Jolly bodies

Following are laboratory findings in megaloblastic anemia EXCEPT

• Increased number of platelets

• Increased mean corpuscular volume

• Megaloblastic precursors in bone marrow

• Increased serum LDH

Which of the following is NOT a cause of microcytic anemia?

• Thalassemia

• Anemia of chronic disease

• Iron deficiency anemia

• Pancytopenia

• Lead poisoning