Which of the Following Is the Most Important Reason That

question 29

Multiple Choice

Which of the following is the most important reason that developing treatments and vaccines, as well as staging an effective immune response for HIV infections, has been so difficult compared with other viruses?

• A) The virus has few, if any, replication- correcting enzymes, and consequently mutates at a high rate.
• B) Researchers probably have not yet identified the actual cause of AIDS and, thus, cannot target their drug development accordingly.
• C) The virus has no recognizable antigens and, thus, cannot be identified easily by the host's immune system.
• D) The virus evades the immune system and drugs by hiding inside cells of the immune system, such as helper T cells.

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Definitions:

Productivity

The capacity of a comparison to suggest consequences that go beyond those mentioned in the initial comparison.

Pattern Recognition

The identification of regularities or recurring sequences in data or objects, often used in machine learning and cognitive psychology.

Comparative Inference

The process of drawing conclusions by comparing different sets of data or situations.

Essential Features

The inherent or indispensable qualities, characteristics, or attributes that define the nature or identity of something.