immune defenses

Question 1

what is innate (native) immunity

Answer 1

restricts entry or immediately responds to a foreign
organism (antigen) through the activation of phagocytic cells,
complement, and inflammation

occurs with all microorganisms regardless of previous exposure

Question 2

what is passive immunity

Answer 2

antibodies produced by an external source
ex: Administration of antibodies during active infection such as Rabies antiserum

Question 3

what is included in innate immunity

Answer 3

Intact skin, the body’s first line of defense
●● Mucous membranes, secretions, enzymes, phagocytic cells, and
protective proteins

●● Inflammatory response with phagocytic cells, the complement system,
and interferons localize the invasion and prevent its spread

Question 4

what is specific adaptive immunity

Answer 4

allows the body to make antibodies in
response to a foreign organism (antigen).

Question 5

what does specific adaptive immunity directs against

Answer 5

identifiable micro‑organism

Question 6

what is active immunity

Answer 6

Antibodies are produced in response to an antigen

Question 7

what is an example of active immunity

Answer 7

infection with disease or vaccination

Question 8

what does active immunity require

Answer 8

Requires time to react to antigens

Question 9

what type of immunity does active immunity provide

Answer 9

permanent immunity

Question 10

what does active immunity involve

Answer 10

B and T lymphocytes

Question 11

activity immunity produces specific antibodies against what antigens

Answer 11

immunoglobulins [IgA, IgD, IgE, IgG, IgM])