Immunity Review

A pathogen is

• a disease

• a disease-causing plant

• a disease-causing animal

• a disease-causing microorganism (bacteria, virus)

Which term is scientific for the passing of a pathogen from one organism to another?

• catching

• vector

• transmission

• infecting

What do antibodies bind to?

• antigens

• antitoxins

• phagocytes

• lymphocytes

Which of the following is not a characteristic of inflammation?

• redness

• swelling

• heat

• pain

• fever

Innate immunity is

• body's defense against any kind of pathogen

• body's defense against a particular pathogen

• lack of resistance

• only achieved through vaccination

The individual's immune system that responds to antigens by creating antibodies to fight disease and memory cells to remember antigens is

• innate immune system

• the acquired immune system

• herd immunity

• it is not possible

Which of the following is NOT a physical barrier to protect against infection?

• skin

• tears

• saliva

• leukocytes

Viruses cannot reproduce outside of a host cell.

• true

• false

People can ONLY become immune to a pathogen by having the pathogen and creating antibodies.

• true

• false

Disease transferred from one person to another is what mode of transmission?

• direct contact

• indirect contact

• sharing utensils

• airborn