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What is the main function of the spleen?
This organ filters blood and removes old red blood cells.
What is lymph?
This fluid circulates through lymphatic vessels.
What is immunological memory?
The ability to respond faster and stronger after re-exposure to an antigen
True or False? Receiving multiple vaccines at the same visit overwhelms the immune system.
FALSE
What is the main function of the thymus?
This primary lymphoid organ is where T lymphocytes mature.
These white blood cells produce antibodies.
B cells (B lymphocyte)
Why can a person experience mild fever after vaccination?
Because the immune system is being activated
What is the name of the long-term protection generated by vaccination?
Immunological memory.
What is the main function of the bone marrow?
This primary lymphoid tissue is responsible for the production of blood cells.
Which lymphocytes directly attack infected cells?
T cells (T lymphocytes)
Which immune cells are most affected in a patient without a functional thymus?
T lymphocytes
Why don’t antibiotics work against viruses?
Antibiotics target bacteria, not viruses.
What is the main function of the lymph nodes?
These structures filter lymph before it returns to the bloodstream.
What is the purpose of a vaccine?
To stimulate immunity against a disease
Which cells are responsible for the rapid response seen after a vaccinated person encounters a pathogen again?
Memory B cells
Can a vaccinated person still get infected?
Yes, but vaccines often reduce severity and complications.
These lymphatic tissues are located at the entrance of the respiratory and digestive tracts.
The tonsils
what are the antibodies?
Molecules that are produced after vaccination and help neutralize pathogens
True or False? Vaccines can cause autism.
FALSE
Why is vaccine misinformation considered a public health issue?
It can reduce vaccination rates and increase disease outbreaks.