Compare the classical complement pathway to the alternative complement pathway by sorting the properties into the appropriate bins. Properties (3 items) (Drag and drop into the appropriate area below) Factor C3b binds to LPS C1 complex cleaves two other complement factors, C2 and C4 Complement C1 protein complex binds to the Fc region of an antibody Əsəy doup pue seja əjəy doup pue seja L - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Alternative Classical Type of Pathway Part 1 (1 point) , of the individuals within a population are Herd immunity is in place when vaccinated. Part 2 (1 point) Herd immunity protection as more individuals are vaccinated. Choose one: O A. increases O B. decreases O C. remains the same Part 3 (1 point) D See Hint Which of the following statements about herd immunity is correct? Choose one: O A. Herd immunity is only effective against viral diseases as bacterial transmission is exempt. O B. Herd immunity will provide protection against tetanus provided many people have the DTP vaccine. O C. Relying only on herd immunity as protection is a good way to ensure that you will not become ill. O D. Herd immunity will not protect against an unvaccinated person acquiring a deadly disease from a sick person. Identify the variable and non-variable regions within the antibody. Non-variable Antigen NH NHA Antigen-binding sites Ķ Heavy chain -NH₂ Variable Host Es-s- Light chain Es-S- -s-s- гоос CO Coo coo- Which of the following best describes antibody structure and function? Choose one: O A. Each antibody has two variable regions that are both specific to the same antigen. O B. Each antibody has two variable regions that are each specific to different antigens. O C. Each antibody has one variable region that is specific to only one antigen. O D. Each antibody has one variable region that is specific to multiple antigens. Which of the following cells would not be considered a common type of phagocytic antigen- presenting cell? Choose one: O A. dendritic cells O B. B cells O C. macrophages O D. mast cells What does the term "immunogenicity" refer to? Choose one: O A. the time required for one human to transmit disease to another O B. the rate at which invading bacterial cells divide and cause disease O C. the effectiveness with which an antigen elicits an immune response O D. the culmination of the various signs and symptoms of disease