T lymphocytes mature in the bone marrow.
B lymphocytes mature in the bone marrow.
What is the name of the vesicle formed when a macrophage engulfs a pathogen?
Lysosome
Phagosome
Phagocyte
Phagolysosome
Which type of lymphocytes are involved in humoral immunity?
B cells
T cells
In what ways can antibodies destroy pathogens?
Inducing lysis of pathogens
Producing perforin
Agglutination of pathogens
Digestion of pathogens
Why does vaccination not always eliminate a disease? (Tick all correct answers)
Some individuals have defective immune systems.
Some individuals refuse to be vaccinated, for religious or medical reasons.
Pathogens may show antigenic variability by mutating frequently.
Vaccination may have unpleasant side effects.
