Why Would the Loss of Helper T Cells Due to HIV

question 146

Multiple Choice

Why would the loss of helper T cells due to HIV infection result in the immunodeficiency associated with AIDS?

• A)Helper T cells are central to the activation of other parts of the immune system.
• B)Helper T cells are normally present in higher numbers, so their loss reduces the total number of immune cells.
• C)Without helper T cells, plasma cells would not secrete antibodies.
• D)Infection of the helper T cells could lead to infection and loss of progenitor cells, thereby eliminating all immune cells.

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Definitions:

Price-elastic

Describes a situation where the demand for a product is sensitive to price changes.

Home Entertainment System

An array of electronic devices set up in a home to reproduce the experience of watching movies or listening to music in a theater-like setting.

Quaker State Oil

A brand known for producing motor oil and other automotive lubricants and products, with a long history in the United States.

Price-elastic

A product or service is considered price-elastic when its demand significantly changes in response to a change in its price; high elasticity indicates significant changes in demand.