Category: C

An act originally passed by the federal government in 1972, and since amended several times, that gives the Environmental Protection Agency (EPA) responsibility for developing criteria for water-quality standards and controlling and regulating pollutants discharged into water sources.  

A procedure for obtaining a urine specimen that exposes the culture sample to minimal contamination. For females, the labia are held apart and the periurethral area is cleaned with a mild soap or antibacterial solution, rinsed with copious amounts of plain water, and dried from front to back with a dry gauze pad. The urine…

A federal law, enacted in 1956 and amended many times since then, that empowers the administration to protect the public health and welfare by defining and attempting to control atmospheric pollutants, including automotive and factory exhausts such as sulfur dioxide, nitrogen dioxide, carbon monoxide, particulates, and lead.  

A sharp pain usually localized to the vertex of the skull; said to be of psychosomatic origin.  

Surgical division of the clavicle.  

Dread of being in an open space; a morbid desire to be shut in with doors and windows closed.  

Paralysis of the third cranial nerve, contralateral ataxia, and tremor; caused by a lesion in the red nucleus of the brain.  

Capable of breaking chromosomes (e.g., able to cause chromosomal abnormalities).  

Causing division into parts.  

The requirement of certain T lymphocytes for the presence of either class I or class II major histocompatibility complex markers on antigen presenting cells. These markers enable the T cells to recognize and respond to foreign antigens. CD4+ T cells require class II antigens and CD8+ T cells require class I antigens. Class restriction is…