Innate Immunity

Which of the following is NOT a component of innate immunity?

• Skin

• Antibodies

• Mucous membranes

• Phagocytic cells

Which type of cell is primarily responsible for phagocytosis in innate immunity?

• B lymphocytes

• Neutrophils

• Plasma cells

• Eosinophils

Which of the following best describes the specificity of innate immunity?

• Highly specific to each pathogen

• Non-specific, responds to a broad range of pathogens

• Only targets viruses

• Only targets bacteria

Which of the following statements about the complement system is TRUE?

• It is only activated by antibodies

• It enhances the ability of phagocytes to clear microbes

• It is part of adaptive immunity

• It only targets viruses

Which of the following is a result of the inflammatory response in innate immunity?

• Decreased blood flow to the affected area

• Increased permeability of blood vessels

• Suppression of immune cells

• Decreased temperature at the site

Which of the following is NOT a characteristic of innate immunity?

• Immediate response

• Memory formation

• Non-specific recognition

• Present at birth