Blood & Stuff

What is the main cause of iron-deficiency anemia?

• The main cause of iron-deficiency anemia is a lack of iron in the body, which can be due to inadequate dietary intake, poor absorption, or blood loss.

• Consuming too much red meat

• High levels of iron in the body

• Excessive intake of iron supplements

Which nutrient deficiency is commonly associated with vitamin B12 deficiency anemia?

• Vitamin C

• Iron

• Calcium

• Vitamin D

Which type of anemia is caused by a defect in the production of hemoglobin?

• Pernicious anemia

• Iron-deficiency anemia

• The correct answer is 'Hemolytic anemia.'

• Sickle cell anemia

What is the primary cause of aplastic anemia?

• The primary cause of aplastic anemia is damage to the bone marrow, which results in a decrease in the production of all types of blood cells.

• Overactive immune system attacking the bone marrow

• Inflammation of the bone marrow

• Excessive production of all types of blood cells

What is the normal shape of red blood cells in individuals without sickle cell anemia?

• Star shape

• Biconcave disc shape

• Square shape

• Triangular shape

What is the primary function of prothrombin time test?

• To measure the time it takes for your blood to clot

• To measure the number of red blood cells in your blood

• To measure the number of white blood cells in your blood

• To measure the level of hemoglobin in your blood

What does a prolonged partial prothrombin time indicate?

• Increased risk of bleeding

• Increased risk of clotting

• Normal blood clotting function

• Decreased risk of bleeding

What does an elevated erythrocyte sedimentation rate indicate?

• Inflammation in the body

• Decreased red blood cell count

• Increased red blood cell count

• Normal red blood cell function

What is the significance of a differential count in a complete blood count test?

• It helps in determining the percentage of each type of white blood cell in your blood.

• It helps in determining the number of red blood cells in your blood.

• It helps in determining the level of hemoglobin in your blood.

• It helps in determining the number of platelets in your blood.

What is the role of neutrophils in the body's immune response?

• They produce antibodies to fight infections.

• They engulf and destroy bacteria and fungi.

• They produce histamine and other mediators of allergic reactions.

• They are responsible for the body's immune memory.