Introduction to Hematology

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What is the main function of red blood cells?

To produce antibodies

To transport oxygen from the lungs to the tissues (correct)

To produce hemoglobin

To clot blood

What is the average concentration of hemoglobin in the blood of a male?

18 gm/100ml blood

16 gm/100ml blood (correct)

12 gm/100ml blood

14 gm/100ml blood

What is the function of albumin in blood plasma?

To clot blood

To transport oxygen

To maintain osmotic balance (correct)

To produce antibodies

What is the function of gamma globulins in blood plasma?

To produce antibodies (C) Signup and view all the answers

What is the function of fibrinogen in blood plasma?

To clot blood (C) Signup and view all the answers

What is the average number of red blood cells per cubic millimeter in women?

4.7 million (D) Signup and view all the answers

What is the main function of leukocytes in the blood?

To destroy invading microorganisms and cancer cells (C) Signup and view all the answers

What is the approximate volume of blood in an average adult?

5 liters (C) Signup and view all the answers

What is the primary role of platelets in the blood?

To initiate blood clotting and help minimize blood loss (A) Signup and view all the answers

What is the function of blood in regulating body temperature?

To transport heat from the rest of the body to the skin (C) Signup and view all the answers

What is the main component of plasma?

Water and dissolved solutions (C) Signup and view all the answers

What is the term for the formed elements of the blood?

Blood cells and platelets (C) Signup and view all the answers

What is the percentage of plasma in the hematocrit ratio?

55% (D) Signup and view all the answers

What is the term for the production of all types of blood cells?

Hemopoiesis (B) Signup and view all the answers

What is the main organ responsible for producing red blood cells during the middle trimester of gestation?

Liver (C) Signup and view all the answers

What is the term for a deficiency of red blood cells?

Anemia (B) Signup and view all the answers

What is the result of a rapid loss of red blood cells?

Anemia (C) Signup and view all the answers

What is the term for the loss of function of bone marrow due to drug poisoning or Gamma-ray radiation?

Aplastic anemia (D) Signup and view all the answers

What is one of the causes of hemolysis of RBCs?

Hereditary diseases (D) Signup and view all the answers

What is the name of the disease in which antibodies from the mother destroy red cells in the baby?

Erythroblastosis fetalis (B) Signup and view all the answers

What is Thalassemia also known as?

Mediterranean anemia (C) Signup and view all the answers

What is the average lifespan of RBCs in the circulatory system?

120 days (A) Signup and view all the answers

What is one of the functions of ATP in RBCs?

Maintaining pliability of the cell membrane (D) Signup and view all the answers

What happens to the metabolic systems of RBCs over time?

They become progressively less active (B) Signup and view all the answers