REVIEW & REHEARSE 26 IMMUNITY and HEALTH
REVIEW & REHEARSE 26 IMMUNITY and HEALTH
Q
Which of the following statements about the integumentary system is incorrect?
- a) It is one of the body’s three lines of defense against infectious pathogens.
- b) It confers specific immunity on an individual, because it confers protection against individual pathogens.
- c) It includes sweat glands.
- d) It is responsible for the production of tears and ear wax.
- e) It helps protect the digestive system from pathogens.
Which of the following statements about complement proteins is incorrect?
- a) Bound complement proteins are able to recruit other complement proteins to come to the site of a bacterial infection.
- b) Complement proteins aggregate to form larger protein complexes that create holes in the bacterial cell surface.
- c) Bacterial death results from membrane holes created by complexes formed between complement and surface proteins.
- d) Complement proteins surround and bind to the entire surface of a bacterium, marking it to be engulfed by phagocytes and cytotoxic T cells.
- e) Complement proteins are able to recognize and bind directly to the surface of bacteria’s cell surface proteins.
