What Causes the Pumping Action (Influx and Outflux of Water

question 54

Multiple Choice

What causes the pumping action (influx and outflux of water containing nutrients and waste) of the intervertebral discs in adults?

• A) blood supply
• B) body motion
• C) neural activity
• D) both A and B
• E) all of the above

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Definitions:

HIV Retrovirus

A type of virus, including HIV, that replicates in a host cell by converting its RNA into DNA, leading to long-term infection and immune system damage.

T-cells

A type of lymphocyte (white blood cell) that plays a central role in cell-mediated immunity.

Bind

To secure or tie something tightly or to stick together; in computing, it can refer to the practice of linking or establishing a connection between two pieces or elements.

CD4+ Count

A measure of the number of CD4+ T lymphocytes in the blood, an important indicator of immune function in individuals, particularly in the context of HIV/AIDS.