What is the primary mechanism by which neutrophils contribute to the defense against bacterial infections in the blood?

A Phagocytosis and degranulation ✓
B Antibody production and complement activation
C Cytokine release and inflammation
D Coagulation and fibrinolysis

Explanation

Neutrophils primarily defend against bacterial infections through phagocytosis, where they engulf bacteria, and degranulation, where they release granules containing antimicrobial substances.

Source

Guyton and Hall Textbook of Medical Physiology
Hematology Hematology: Blood Components Hematology: Blood Components Medium MEDICAL Confidence: high