Infection Week 3 - Recognition of pathogens

What are the three stages of inflammation?

• Dilatation of small blood vessels -> increase in blood flow

• Increased permeability of capillary walls

• Vasoconstriction to divert bloodstream away from source of infection

• Local recruitment of leukocytes

Which of the following statements about the innate immune system is false?

• The innate immune system is largely derived from the myeloid cell lineage

• Complement proteins are formed in the liver

• When a monocyte enters the tissue from the bloodstream, it is termed a macrophage

• Complement proteins are activated by opsonization

Which of the following is part of the lectin-binding pathway of complement activation?

• Factor D

• Mannose Binding Lectin

• C1q

• Membrane attack complex

Which of the following make up the majority of circulating white blood cells?

• Eosinophils

• Basophils

• Neutrophils

• Mast cells

Where do T-lymphocytes mature?

• Bone marrow

• Thymus

• Thyroid

• Spleen