HESI A2 Questions and Answers

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HESI A2 Questions and Answers | Latest Version | 2025/2026 | Correct & Verified

What is the term for excessive bleeding due to clotting deficiency?

• Hemophilia
• Anemia
• Leukemia
• Thrombocytosis

✔✔A) Hemophilia

What is the primary role of hemoglobin?

• Transport carbon dioxide
• Transport oxygen
• Produce antibodies
• Form blood clots

✔✔B) Transport oxygen

What blood cell fragment aids in clotting? 1 / 4

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• Platelet
• Red blood cell
• White blood cell
• Plasma

✔✔A) Platelet

What is the name of the cells that mature into red blood cells?

• Hemocytoblasts
• Megakaryocytes
• Lymphocytes
• Monocytes

✔✔A) Hemocytoblasts

What is the main function of the lymphocytes?

• Produce antibodies and coordinate immune response
• Engulf pathogens
• Carry oxygen
• Clot blood 2 / 4

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✔✔A) Produce antibodies and coordinate immune response

What is the name of the protein that helps maintain blood osmotic pressure?

• Hemoglobin
• Albumin
• Fibrinogen
• Myosin

✔✔B) Albumin

Which blood disorder involves a decreased number of red blood cells?

• Polycythemia
• Anemia
• Leukemia
• Thrombocytosis

✔✔B) Anemia

What component of blood is primarily responsible for transporting oxygen?

• Platelets 3 / 4

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• Plasma
• White blood cells
• Red blood cells

✔✔D) Red blood cells

Which blood cell type plays the main role in fighting infections?

• Red blood cells
• White blood cells
• Platelets
• Plasma

✔✔B) White blood cells

What is the main function of platelets?

• Carry oxygen
• Fight infection
• Aid in blood clotting
• Transport nutrients

✔✔C) Aid in blood clotting

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