Immune System – Flashcards
Unlock all answers in this set
Unlock answersquestion
Germ theory of disease states that infectious diseases are caused by
answer
pathogens
question
Ways infectious diseases can be transmitted
answer
Inhalation or physical contact, contaminated water and food, infected animals
question
Nonspecific defenses against invading pathogens include
answer
inflammation
question
Inflammatory response can cause
answer
pain, swelling, and redness
question
An immune response is triggered by an
answer
antigen
question
Humoral immunity originates from
answer
B cells
question
If a person has memory B cells against a certain pathogen, the person is
answer
not likely to develop the disease a second time
question
When a person reveices a vaccine, his or her body
answer
produces memoy cells that provide resistance to that pathogen
question
Active immunity antibodies are produced by
answer
your own body
question
Autoimmune diseases result when the immune system
answer
fails to distinguish healthy tissues from non-healthy tissues
question
HIV weakens the immune system by killing mainly
answer
T cells
question
Washing your hands frequently can help protect you from
answer
pathogens
question
When the immune system makes a mistake and attacks the body's own molecules, it produces an
answer
autoimmune disease
question
Over a period of years, HIV kills most of a person's
answer
T cells
question
Cellular immunity is carried out by
answer
T cells
question
When your body receives antibodies for a particular disease fro an outside source, the result is
answer
passive immunity
question
Overreaction to a harmless antigen, known as allergens
answer
Allergy
question
Prevents viruses from infecting cells
answer
Interferon
