ATI TEAS 6 Practice Test Question from ATI TEAS Tutor Lesson: The Lymphatic System
Please see the question below. Scroll down for the correct answer and video explanation.
ATI TEAS 6 Practice Test Answer Explanation
The correct answer is D. The B cells do not directly attack pathogens or infected cells. Instead, they mark the pathogens for destruction by macrophages and natural killer cells. When a B cell encounters a foreign microbe with a surface protein that matches the shape of its antibodies, it attaches an antibody to the microbe. To learn more, watch the video explanation below:
[Source: ATI TEAS Tutor Lesson: The Lymphatic System]