The First Detectable Sign of HIV Infection in the Body

question 62

Multiple Choice

The first detectable sign of HIV infection in the body is

• A) the sharp increase of CD4 cells in the blood.
• B) the presence of HIV antibodies in the blood.
• C) the sharp decrease of HIV RNA in the blood.
• D) the presence of macrophages and B cells in the blood.

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Definitions:

Gamma Waves

A type of brain wave frequency associated with cognitive processing, memory, and learning.

Sensory Adaptation

The mechanism where sensory detectors decrease in sensitivity to unchanging stimuli as time progresses.

Priming

A psychological phenomenon in which exposure to one stimulus influences a response to a subsequent stimulus, without conscious guidance or intention.

Bottom-up Processing

An approach to processing information that begins with the sensory receptors and works up to the brain's integration of sensory information.