15 Questions
Which of the following is NOT a function of blood?
Producing lymphocytes in the bone marrow
What is the average volume of blood in the human body?
4-6 liters
During which stage of development does blood formation primarily occur in the liver and spleen?
6-7 months of fetal life
Which type of lymphocyte is more numerous, B cells or T cells?
B cells
What is the primary function of B cells?
Production and secretion of antibodies
Which type of lymphocyte is responsible for recognizing invaders and activating the immune response?
Cytotoxic T cells
Which cells are derived from colony-forming unit-erythrocytes (CFU-E)?
Erythrocytes
Where are lymphatic follicles most numerous in the body?
Ileum of the small intestine
What is the lifespan of red blood cells (RBCs) in circulation?
120 days
Which cells make up the majority of leukocytes?
Neutrophils
What is the function of lymphocytes in the immune system?
Provide defense against foreign material
Which type of leukocytes increase in number in acute bacterial infections?
Neutrophils
Which type of leukocytes have a bilobed nucleus and eosinophilic granules?
Eosinophils
Which type of leukocytes are involved in allergic reactions and increase in number in hay fever and asthma?
Basophils
Which type of leukocytes circulate in the bloodstream for only 1-3 days and then enter connective tissues to become macrophages?
Monocytes
Test your knowledge on neutrophils and their role in the immune system. Learn about their lifespan, response to bacterial infections, and characteristics observed in blood smears. Explore the different stages of neutrophil development and identify key features. Discover the relative proportion of eosinophils in peripheral blood.
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