Functions Flashcards
(31 cards)
What are the two main categories of white blood cells?
Granulocytes and agranulocytes.
True or False: Granulocytes do not contain granules in their cytoplasm.
False.
Fill in the blank: The three types of granulocytes are _____, _____, and _____.
neutrophils, eosinophils, basophils.
What is the primary function of neutrophils?
To phagocytize bacteria and fungi.
Which type of white blood cell is primarily involved in allergic reactions?
Basophils.
What are agranulocytes?
White blood cells that lack granules in their cytoplasm.
Multiple Choice: Which of the following is an agranulocyte? A) Neutrophil B) Lymphocyte C) Eosinophil
B) Lymphocyte.
What role do eosinophils play in the immune response?
They are involved in combating parasitic infections and allergic reactions.
True or False: Lymphocytes are responsible for adaptive immunity.
True.
Name the two main types of lymphocytes.
B cells and T cells.
What is the primary function of B cells?
To produce antibodies.
What type of lymphocyte is responsible for directly killing infected cells?
Cytotoxic T cells.
Fill in the blank: Platelets are also known as _____ and play a key role in _____ processes.
thrombocytes; clotting.
True or False: Platelets are complete cells.
False.
What is the lifespan of a platelet?
About 7-10 days.
What is the main function of platelets?
To assist in blood clotting.
Multiple Choice: Which type of white blood cell is the most abundant in the bloodstream? A) Basophils B) Neutrophils C) Lymphocytes
B) Neutrophils.
What is the primary function of monocytes?
To differentiate into macrophages and dendritic cells that phagocytize pathogens.
Fill in the blank: The process by which white blood cells exit the bloodstream and enter tissues is called _____ .
diapedesis.
True or False: Granulocytes are typically larger than agranulocytes.
False.
What is the role of memory B cells?
To provide long-term immunity by remembering past infections.
Multiple Choice: Which granulocyte is most effective against parasites? A) Basophils B) Eosinophils C) Neutrophils
B) Eosinophils.
What is the function of helper T cells?
To activate B cells and cytotoxic T cells.
Fill in the blank: The term _____ refers to the total number of white blood cells in a given volume of blood.
leukocyte count.