WBC Flashcards
(26 cards)
What are the main types of blood cells?
White blood cells (WBCs), red blood cells (RBCs), and platelets.
Which type of blood cell is primarily responsible for the immune response?
White blood cells (WBCs).
True or False: Lymphocytes are a type of granulocyte.
False.
What are the two main categories of white blood cells?
Granulocytes and agranulocytes.
Fill in the blank: Granulocytes are characterized by the presence of _____ in their cytoplasm.
granules.
What is the primary function of lymphocytes?
To produce antibodies and coordinate immune responses.
Name the three types of granulocytes.
Neutrophils, eosinophils, and basophils.
Which type of blood cell is involved in allergic reactions?
Basophils.
True or False: Agranulocytes do not have visible granules in their cytoplasm.
True.
What are the two main types of agranulocytes?
Lymphocytes and monocytes.
Which type of white blood cell is the most abundant in the bloodstream?
Neutrophils.
Fill in the blank: Platelets are also known as _____.
thrombocytes.
What is the primary function of platelets?
To aid in blood clotting.
Short answer: How do lymphocytes contribute to the body’s defense?
They recognize and remember pathogens, producing antibodies.
Multiple choice: Which of the following is NOT a function of WBCs? a) Fighting infections b) Carrying oxygen c) Producing antibodies
b) Carrying oxygen.
What role do neutrophils play in the immune response?
They phagocytize (engulf and digest) bacteria and fungi.
True or False: Eosinophils are primarily involved in combating parasitic infections.
True.
Which blood cell type can differentiate into macrophages?
Monocytes.
Fill in the blank: The lifespan of a platelet is approximately _____ days.
10.
What is the significance of the ‘buffy coat’ in a blood sample?
It contains white blood cells and platelets, separating them from red blood cells.
Multiple choice: Which type of blood cell is primarily involved in the adaptive immune response? a) Neutrophils b) Lymphocytes c) Platelets
b) Lymphocytes.
What is the function of dendritic cells?
To present antigens and activate T-cells.
Short answer: How do granulocytes respond to infections?
They quickly migrate to infection sites and release enzymes to destroy pathogens.
True or False: Monocytes are the largest type of white blood cell.
True.
