Activation of the complement cascade plays an important role in host defense by all of the following EXCEPT:
A. working via the classical pathway, together with antibody, to induce bacteriolysis.
B. mediating bacteriolysis directly, via the alternative pathway, in the absence of specific antibody.
C. facilitating phagocytosis by generating opsonins
D. attracting phagocytes to the site of an infection by generating chemotaxins.
E. enhancing the generation of reactive oxygen intermediates
Select your answer:
Topics:
Biology Assessment Consciousness and Sleep Innate Immunity The Human Body Healthcare Systems and Settings Circulatory & Lymphatic DNA and Genetic Manipulation Careers in Health Care PHE Healthy Lifestyle Infectious Disease and Pathogens Orthopedic Surgeon Head and Neck Anatomy A&P Musculoskeletal Organ Senses and Locomotor System SPED Law-lympicsOther quiz:
Musculoskeletal System › ViewThese muscles are considered involuntary, they cannot be controlled consciously. They are present in the walls of the esophagus, stomach, small and large intestines.
A. smooth muscles
B. cardiac muscles
C. skeletal muscles
Vision (AP Psych) › View
Our sense of smell may be a powerful trigger for memories because
A. olfaction messages skip the thalamus and go straight to the olfactory bulb, which is connected to the hippocampus.
B. We are taught as children to connect smells with important events.
C. The thalamus sends all olfaction messages straight to the hippocampus.
D. our nose is parallel with the both the limbic system and olfactory cortex.