Human Anatomy & Physiology (9th Edition)

Published by Pearson
ISBN 10: 0321743261
ISBN 13: 978-0-32174-326-8

Chapter 21 - The Immune System: Innate and Adaptive Body Defenses - Review Questions - Page 799: 10

Answer

D

Work Step by Step

HIV (human immunodeficiency virus) specifically targets T helper cells. These cells are required to activate most B and T cells and macrophages. If helper T cells are destroyed, there will be no adaptive immune response.
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