Which red blood cell inclusion is associated with asplenia?

• Pappenheimer bodies

• Howell-Jolly bodies

• Basophilic stippling

• Heinz bodies

What is the most common cause of iron deficiency anemia?

• Chronic blood loss

• Hemolysis

• Dietary deficiency

• Lead poisoning

Which stain is used to detect Heinz bodies?

• Prussian blue

• Supravital stain

• H&E stain

• Wright-Giemsa stain

In the Kleihauer-Betke test, fetal hemoglobin is resistant to which substance?

• Ethanol precipitation

• Acid elution

• Methanol fixation

• Alkaline denaturation

What is the primary storage form of iron in the body?

• Ferritin

• Myoglobin

• Transferrin

• Hemosiderin

Ferric iron has what oxidation state?

• 0

• +2

• +3

• -1

Which hemoglobin has the highest affinity for oxygen?

• HbA

• HbA2

• HbF

• Methemoglobin

A right shift in the oxygen dissociation curve means?

• Decreased oxygen affinity

• CO2 retention

• Higher oxygen saturation

• Increased oxygen affinity

Sickle cell trait typically shows what % HbS?

• 80-90%

• 10-20%

• 50-60%

• 35-45%

Which cell is increased in allergic reactions and parasitic infections?

• Basophils

• Eosinophils

• Neutrophils

• Lymphocytes