Iron Deficiency Anemia Diagnosis and Characteristics

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What is the hemoglobin level that is used to diagnose anemia in men?

Less than 120 to 130 g/L

Less than 12 to 13 g/dL

Less than 130 to 140 g/L

Less than 13 to 14 g/dL (correct)

What is the commonest cause of anemia worldwide?

Iron deficiency anemia (correct)

Aplastic anemia

Vitamin B12 deficiency anemia

Sickle cell anemia

What are the characteristics of red cells in iron deficiency anemia?

Smaller than normal and hyperchromic

Larger than normal and hyperchromic

Smaller than normal and hypochromic (correct)

Larger than normal and hypochromic

What percentage of iron from a normal Western diet is absorbed by the body?

5% Signup and view all the answers

Where is iron primarily absorbed in the body?

Duodenum and upper jejunum Signup and view all the answers

What protein carries iron to developing red cells in the bone marrow?

Transferrin Signup and view all the answers

What reduces substances help the absorption of iron?

Hydrochloric acid and ascorbic acid Signup and view all the answers

How much iron does the average adult contain?

3-5 g Signup and view all the answers

Which part of the small intestine primarily absorbs iron?

Duodenum and upper jejunum Signup and view all the answers

What is the role of iron in the body's metabolic processes?

It plays a pivotal role in many metabolic processes Signup and view all the answers

Which part of the body helps absorb iron in the ferrous form from the diet?

Stomach Signup and view all the answers

What percentage of iron from a normal Western diet is absorbed by the body on average?

5% - 10% Signup and view all the answers

Which form of iron is found predominantly in macrophages?

Haemosiderin Signup and view all the answers

What are the symptoms of chronic, slow blood loss associated with iron deficiency?

Tachycardia and cardiac failure Signup and view all the answers

What are the alternative preparations for oral iron replacement therapy?

Oral ferrous salts and ferrous gluconate Signup and view all the answers

What is the main reason for failure to respond to oral iron therapy?

Poor compliance Signup and view all the answers

What is the underlying mechanism of vitamin B12 deficiency due to pernicious anemia?

Achlorhydria and absence of intrinsic factor Signup and view all the answers

What is the treatment for vitamin B12 deficiency?

Hydroxo-cobalamin injections Signup and view all the answers

What are the clinical features of severe folate deficiency?

Pallor and jaundice Signup and view all the answers

Which condition leads to symmetrical damage to the peripheral nerves and spinal cord in a minority of patients?

Vitamin B12 deficiency Signup and view all the answers

Pancytopenia is associated with which consequences of deficiencies?

Vitamin B12 or folate deficiencies Signup and view all the answers

What is the site of red blood cell destruction in autoimmune hemolytic anemia?

Extravascular Signup and view all the answers

What is the management approach for β-thalassemias to alleviate abdominal symptoms or increased transfusion requirements?

Iron chelation therapy Signup and view all the answers