BIOCHEMISTRY, BIOMEDICINE & PHARMACEUTICS

                        MCQs on Iron, Folic Acid and Vitamin B12 Metabolism A) Iron Metabolism: 1) The majority of iron in the body is present in .................................. a) Iron bound to transferrin b) Iron stored in the liver c) Myoglobin d) Red blood cell hemoglobin 2) The primary function of transferrin (glycoprotein) in the blood is to bind to and transport iron from areas of the body where it is absorbed to sites where it is needed. Which of the following statement is true regarding transferrin receptor? a) The clearance of iron-bound transferrin is affected by circulatory iron b) Transferrin can occur in monoferric or diferric form c) The transferring binds to the transferrin receptor and endocytosed to release iron d) All of the above 3) The intracellular iron is rapidly sequestered (stored) by ..............................  a) Transferrin b) Ferrochelatase  c) Ferritin d) Albumin 4) Approximately 1...

                            MCQs Iron Metabolism and Anemia 1. What is the primary function of iron in the human body? a) Synthesis of hemoglobin b) Synthesis of vitamin D c) Regulation of blood pressure d) Production of thyroid hormones 2. Which of the following is the storage form of iron in the body? a) Transferrin b) Ferritin c) Hemosiderin d) Hemoglobin 3. Iron absorption is enhanced by the presence of which nutrient? a) Vitamin C b) Vitamin B12 c) Vitamin A d) Vitamin D 4. Anemia of chronic disease is characterized by: a) Elevated transferrin saturation  b) Increased iron absorption c) High serum iron levels d) Low serum ferritin levels 5. Which type of anemia is caused by a deficiency of vitamin B12 or folate? a) Aplastic anemia b) Hemolytic anemia c) Pernicious anemia d) Iron-deficiency anemia 6. Microcytic, hypochromic anemia is typically seen in: a) Aplastic anemia b) Folate deficiency c) Iron-deficienc...