Evidence Indicates That HIV-1 and HIV-2 Originated in Non-Human Primates

question 16

True/False

Evidence indicates that HIV-1 and HIV-2 originated in non-human primates, and only made the jump to infecting humans in the early twentieth century. As a consequence, these viruses are not well adapted to co-exist in equilibrium with their human hosts.

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Definitions:

fMRI

Functional Magnetic Resonance Imaging, a neuroimaging procedure that measures brain activity by detecting changes associated with blood flow.

BOLD Signal

Blood Oxygen Level Dependent Signal, a measure used in functional MRI to observe brain activity through changes in blood flow.

Hemoglobin

A protein in red blood cells responsible for transporting oxygen from the lungs to the body's tissues and returning carbon dioxide from the tissues back to the lungs.

CT Scan

a medical imaging procedure that combines a series of X-ray measurements from different angles to produce cross-sectional images of specific areas of the body.