Anemia Types and Causes

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Questions and Answers

What is the main cause of macrocytic anemia?

  • Alcohol abuse and liver disease
  • Deficiency of vitamin B12 or folate (correct)
  • Hypothyroidism and pregnancy
  • Bone marrow abnormal proliferation syndrome

In macrocytic anemia, what is the characteristic phenomenon observed in the red blood cell precursors during the synthesis (S) phase of the cell cycle?

  • Enhanced cell differentiation
  • Increased DNA repair
  • Nuclear-cytoplasmic asynchrony (correct)
  • Excessive cell apoptosis

What is the primary treatment approach for macrocytic anemia?

  • Supplementing deficient B12 or folate (correct)
  • Administering immunosuppressive drugs
  • Initiating blood transfusion
  • Performing bone marrow biopsy

Which condition is NOT commonly associated with non-megaloblastic anemia?

<p>Deficiency of vitamin B12 or folate (A)</p> Signup and view all the answers

What does a blood smear typically reveal in a patient with macrocytic anemia?

<p>Abnormal red blood cell precursor nuclei and segmented white blood cells (D)</p> Signup and view all the answers

What is the consequence of inadequate DNA repair in macrocytic anemia?

<p>Impaired cell differentiation (A)</p> Signup and view all the answers

What is the primary focus of the lecture outline?

<p>Nutritional aspects of anaemia (A)</p> Signup and view all the answers

According to the lecture outline, which factor is not a cause of anaemia?

<p>Overproduction of red blood cells (B)</p> Signup and view all the answers

Which nutrient deficiency is closely related to large immature red blood cells?

<p>Protein energy malnutrition (C)</p> Signup and view all the answers

Which vitamins are mentioned as important for red blood cell synthesis and integrity in the lecture outline?

<p>Vitamins B9 and B12 (D)</p> Signup and view all the answers

In the context of anaemia, which mechanism is NOT discussed in the lecture outline?

<p>Hemoglobin production in bone marrow (C)</p> Signup and view all the answers

According to Thurnham & Clewes (2005), which factor plays a role in the etiology of anemia?

<p>Inflammation (C)</p> Signup and view all the answers

Which nutrient is likely to be important based on the given information?

<p>Folate (D)</p> Signup and view all the answers

What is the primary source of dietary iron that is more bioavailable?

<p>Meat, fish, and poultry (B)</p> Signup and view all the answers

What is the recommended daily intake of iron for women during childbearing age?

<p>15 mg (D)</p> Signup and view all the answers

Which factor does NOT influence iron levels in the body after ingestion?

<p>Physical exercise (D)</p> Signup and view all the answers

What is the main regulator of iron absorption from food?

<p>Dietary regulator (B)</p> Signup and view all the answers

What is the primary form in which iron is absorbed from food?

<p>Fe2+ (Ferrous) (B)</p> Signup and view all the answers

What are the two important factors that play a role in Iron deficiency associated anemia?

<p>Iron status and inflammation (A)</p> Signup and view all the answers

Which micronutrient is mentioned as affecting haemoglobin synthesis and cell renewal/proliferation?

<p>Copper (D)</p> Signup and view all the answers

Which condition is associated with normocytic, normochromic anemia?

<p>Anemia of chronic disease (B)</p> Signup and view all the answers

What percentage of Iron is approximately found in Haemoglobin and Myoglobin in a 70 Kg man?

<p>~70% (D)</p> Signup and view all the answers

What are the two forms of dietary iron mentioned in the text?

<p>Heme and Non-heme (D)</p> Signup and view all the answers

What is the form in which iron is stored and transported in the body?

<p>Fe3+ (Ferric) (B)</p> Signup and view all the answers

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