Immunology: antigen presentation FINISHED

Which of the following is/are non-specific defences?

• first line defense

• second line defense

• third line of defense

Answer explanation

first line and second line are both part of the innate immunity.

first line=physiologic barriers

second line=innate immune response

Skin, mucous membranes, secretions of skin and mucous membranes

• first line defense

• second line of defense

• third line defense

phagocytic leukocytes, antimicrobial proteins, inflammatory response, fever

• first line of defense

• second line of defense

• third line of defense

lymphocytes, anitbodies, memory cells

• first line of defense

• second line of defense

• third line of defense

which of the following is/are specific defences?

• first line defense

• second line defense

• third line defense

An acquired response to an antigen

• innate immunity

• adaptive immunity

Any substance recognized by antigen receptors on T and B lymphocytes.

• antigen

• antibody

Proteins, glycoproteins, and polysaccharides are all components of

• a pathogen

• an antibody

nickel, penicillin, and urushiol are all chemicals that can cause and immune response.

• True

• False

Portion of the antigen that is recognized by the antigen receptor

• epitope or antigenic determinant

• not this