Transfusion with HIV-Contaminated Blood Is No Longer a Significant Source

question 11

True/False

Transfusion with HIV-contaminated blood is no longer a significant source of HIV infection in the United States.

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Definitions:

Response Threshold

It is the minimal amount of stimulus intensity required for a neuron to fire a response or for a specific response criterion to be met in behavior.

Psychophysics

The scientific study of the relationship between stimuli (which are physical) and the sensations and perceptions they produce in the observer.

Physical Energy

The capacity to perform work or to produce physical changes within the body or environment, stemming from physical or chemical resources.

Sensory Physiology

The study of how organisms perceive and respond to physical stimuli in their environment through sensory organs.