Page 19 - 78 glossary of hivaids-related terms_opt

bDNA Assay
See: Branched-Chain DNA Assay
B

Beta-2 Microglobulin (B2M)
A protein found on the surface of white blood cells. Increased
production or destruction of white blood cells causes B2M levels
in the blood to increase. This increase is seen in people with
cancers involving white blood cells and in people with advanced
HIV disease.

b.i.d.
Twice-a-day dosing instructions.

Bilirubin
A yellowish substance excreted by the liver. Its measurement can
be used as an indication of the health of the liver. Large quantities of
bilirubin may cause the skin to take on a yellow tint (jaundice), and
very high levels may cause brain damage.
See Also: Jaundice

Bioavailability
Rate and extent to which a drug is absorbed and available in the
tissues of the body.

Biological Response Modifier (BRM)
A natural or man-made substance that can boost, direct, or restore
immune system function.

Biopsy
The surgical removal and examination of an organ or tissue to aid in
diagnosis and treatment of a health condition.

Black Box Warning
Information found at the beginning of a drug’s prescribing
information, manufacturer labeling, and promotional material. This
information highlights important safety information, such as serious
side effects, drug interactions, or use restrictions. The black box

HIV/AIDS Glossary 17