Describe the role of white blood cells in the immune response when a pathogen enters the body.

White blood cells play a crucial role in the immune response by identifying and attacking pathogens. They can engulf and digest pathogens through phagocytosis, produce antibodies to neutralize them, and generate antitoxins to counteract toxins released by the pathogens.

This answer effectively covers the multiple functions of white blood cells in the immune response, showcasing a comprehensive understanding of their roles. The question assesses the student's ability to describe specific actions taken by white blood cells, which is directly related to the learning objective.