Arrange the Process of HIV Invasion in the Proper Sequence

question 4

Multiple Choice

Arrange the process of HIV invasion in the proper sequence.

-Step 1

• A)HIV attaches to CD4 receptor sites on T-helper cells.
• B)Opportunistic infection occurs.
• C)Infected cell replicates itself millions of times.
• D)T-helper cells fail to activate phagocytes.
• E)Immune system is unable to respond effectively.

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Definitions:

19th Century

The period from January 1, 1800, to December 31, 1899, characterized by significant social, industrial, and political changes worldwide.

Africa

The second-largest continent in the world, known for its vast cultural, linguistic, and ecological diversity, comprising over 50 countries.

Dred Scott Decision

An 1857 U.S. Supreme Court ruling that African Americans, whether enslaved or free, could not be American citizens and therefore had no standing to sue in federal court, further inflaming the pre-Civil War national debate over slavery.

Slavery

A system in which individuals are owned by others, deprived of personal freedom, and compelled to perform labor or services.