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. Once the macrophages sound the alarm, the helper T cells simultaneously activate the B cells and T cells
Killer T cells attack and kill infected cells. B cells label invaders for later destruction by macrophages. Helper T cells activate killer T cells and B cells. Macrophages consume pathogens and infected cells in a process known as phagocytosis. These four kinds of white blood cells exchange information and correlate their activities as an integrated system.
To learn more, watch the video explanation below:
[Source: ATI TEAS Tutor Lesson: The Lymphatic System]
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