Multiple Choice
The importance of complement activation as an innate immune defense against infections is illustrated by:
A) The evolution of complement avoidance strategies by many pathogens
B) The large number of proteins involved in the complement pathway
C) The large number of complement regulatory pathways expressed by the host
D) The existence of three different mechanisms for initiating complement activation
E) The ability of the membrane attack complex to lyse some pathogens
Correct Answer:
Verified
Correct Answer:
Verified
Q1: The production of antimicrobial peptides is one
Q2: Epithelial surfaces provide the first line of
Q3: The C3 convertase of the alternative complement
Q4: Neutrophils regulate the production of active cathelicidins
Q5: Opsonization of pathogens by both antibodies and
Q7: Streptococcus pneumoniae is a Gram-positive bacterium that
Q8: Mannose binding lectins (MBL) and ficolins are
Q9: Although the complement cascade can be initiated
Q10: The C3 convertase amplifies the process of
Q11: Although homozygous deficiencies in complement regulatory proteins