Types of Leukocytes Quiz
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Questions and Answers

What is the primary function of thrombocytes in blood?

  • Forming blood clots (correct)
  • Regulating body temperature
  • Fighting infections
  • Transporting oxygen

Which component of blood constitutes about 45% of the volume?

  • Plasma
  • Platelets
  • Leukocytes
  • Red blood cells (correct)

Which type of white blood cells are involved in phagocytosis to fight infections?

  • Lymphocytes
  • Granulocytes
  • Monocytes (correct)
  • Macrophages

Which protein plays a key role in the clotting of blood?

<p>Fibrinogen (A)</p> Signup and view all the answers

What is the main function of serum albumin in the blood plasma?

<p>Retain water in the bloodstream (C)</p> Signup and view all the answers

What is the characteristic color imparted to blood by which component?

<p>Hemoglobin (A)</p> Signup and view all the answers

What is the function of monocytes in the immune system?

<p>Engulfing of bacteria as active phagocytes (C)</p> Signup and view all the answers

Which leukocyte type is associated with releasing histamine during allergic reactions and parasitic infections?

<p>Eosinophils (A)</p> Signup and view all the answers

What is the primary role of platelets in blood clotting?

<p>Carry chemicals essential to blood clotting (B)</p> Signup and view all the answers

Which leukocyte accounts for about 65-75% of all leukocytes in the body?

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

What is the process in which a cell engulfs and ingests microorganisms known as?

<p>Phagocytosis (A)</p> Signup and view all the answers

Which blood component forms a mesh onto which red blood cells collect to form a clot?

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

What is the major function of erythrocytes or red blood cells?

<p>Transporting hemoglobin which carries oxygen (C)</p> Signup and view all the answers

Which hormone stimulates the production of red blood cells?

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

What is the main function of leukocytes or white blood cells in the body?

<p>Associated with the immune system (D)</p> Signup and view all the answers

Which component is removed from human blood serum when compared to plasma?

<p>Fibrinogen and clotting factors II, V, VIII (C)</p> Signup and view all the answers

What is the role of granulocytes in the immune system?

<p>Phagocytosing pathogens and foreign substances (A)</p> Signup and view all the answers

Which component of the blood is primarily responsible for initiating blood clotting?

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

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