white blood cells Flashcards
What are white blood cells also known as?
Leukocytes
True or False: White blood cells are primarily responsible for transporting oxygen.
False
What is the main function of white blood cells?
To defend the body against infections and foreign invaders.
Fill in the blank: The two main types of white blood cells are _____ and _____ cells.
granulocytes; agranulocytes
Which type of white blood cell is involved in the immune response?
Lymphocytes
What are the three main types of granulocytes?
Neutrophils, eosinophils, and basophils.
Multiple choice: Which white blood cell is the most abundant in the bloodstream? A) Eosinophils B) Neutrophils C) Lymphocytes
B) Neutrophils
What is the lifespan of most white blood cells?
Days to years, depending on the type.
True or False: White blood cells originate from bone marrow.
True
What role do monocytes play in the immune system?
They differentiate into macrophages and dendritic cells to engulf pathogens.
Fill in the blank: The process by which white blood cells move to the site of infection is called _____ .
chemotaxis
What is the primary function of eosinophils?
To combat parasitic infections and participate in allergic reactions.
Multiple choice: Which white blood cell is primarily involved in allergic responses? A) Basophils B) Neutrophils C) Lymphocytes
A) Basophils
What do T cells and B cells have in common?
Both are types of lymphocytes involved in the adaptive immune response.
True or False: White blood cells can leave the bloodstream to reach tissues.
True
What is the role of natural killer (NK) cells?
To attack and destroy virus-infected cells and tumor cells.
Fill in the blank: The immune response that involves white blood cells recognizing and attacking specific pathogens is known as _____ immunity.
adaptive
What is the function of dendritic cells?
To present antigens to T cells and initiate the adaptive immune response.
Multiple choice: Which type of white blood cell is responsible for producing antibodies? A) Neutrophils B) B cells C) Monocytes
B) B cells
What is leukopenia?
A decrease in the number of white blood cells.
True or False: White blood cells can reproduce in response to infection.
True
What is the role of the spleen in relation to white blood cells?
It filters blood and helps produce lymphocytes.
Fill in the blank: The primary site of white blood cell production in adults is the _____ .
bone marrow
What is the difference between innate and adaptive immunity?
Innate immunity is the body’s first line of defense, while adaptive immunity is a specific response involving lymphocytes.
Multiple choice: Which of the following cells is NOT a type of white blood cell? A) Neutrophil B) Erythrocyte C) Basophil
B) Erythrocyte
