A cell-mediated, delayed hypersensitivity reaction, characterized by dermatitis, eczema, erythema, vesiculation (blisters), keratosis, hyperplasty (thickening of skin) and cracking. The area affected usually increases with repeated exposure. Examples include Type IV allergies to the chemicals in nickel, blue eye shadow, poison oak, accelerators in gloves, etc. Symptoms fully express in 24-72 hours.

Tissue that has been subjected to traumatic injury such as physical or chemical damage, caused by instrumentation, pressure, bruising, insufficient blood or oxygen, cytotoxic drugs, desiccation, etc.

Skin preparation that disrupts the microbial cell wall. Effective against gram positive bacteria and most gram negative (notable exception is pseudomonas). Minimal affect on Tuberculosis and poor activity against viruses. Activity is slow and is minimally effective when in contact with organic matter.

A point on the body that is particularly sensitive to touch, and which, when stimulated, becomes the site of painful neuralgia.

Occlusion of the feeding tube often caused by medications, viscous formulas, or insufficient flushing.

Accidental removal or movement of the feeding tube wherein the tip of the tube is not in the gastrointestinal tract where it was originally placed.

Providing a nutrient solution via a tube into the stomach or intestines; enteral nutrition.

A nodule, especially in an anatomic, not pathologic, sense; a small knobby prominence or excrescence; any of several prominences (as the acoustic tubercle) in the central nervous system that mark the nuclei of various nerves.

An EPA-classified hospital disinfectant that also kills Mycobacterium tuberculosis (tubercle bacilli). EPA has registered approximately 200 tuberculocides. Such agents also are called Mycobactericides.

A respiratory illness caused by the bacterium Mycobacterium tuberculosis. It is a disease considered to be transmitted by the airborne route and therefore a respirator (N95 or higher) is recommended for HCW attending TB patients.