Category: P

Any of various medications used to prevent hyperphosphatemia in patients with end-stage renal disease. Calcium carbonate taken with meals is the most commonly employed agent. In the past aluminum-containing antacids were used for this purpose, but this practice is now  voided because of the toxic accumulation of aluminum in patients with renal failure.  

An electrical impulse that arises from a site other than the sinus node in the heart, occurring before the expected sinus beat.  

Bath consisting of ½ lb (227 g) added to 30 gal (114 L) water; 5 oz (150 ml) glycerin may be added.  

A wall or partition that shields the radiographer and others from direct exposure to x-rays. It must be capable of adequate lead equivalency to reduce the maximum possible x-ray beam strength to the level of background exposure.  

A bandage that covers a part or keeps dressings in place.  

A bandage stiffened with a paste of plaster of Paris, which sets and becomes very hard.  

A bacterium that prevents illness, e.g., the Lactobacillus species found in yogurt.  

In optics, a line that passes through the optical center or nodal point of a lens perpendicular to the surface of the lens.  

Measurement of hearing using pure tones, which are almost completely free of extraneous noise.  

Unconscious incorporation of the infant into the family unit. Characteristic parental claiming behaviors include seeking mutual eye contact with the infant, initiating touch with their fingertips, calling the infant by name, and expressing recognition of physical and behavioral similarities with other family members. Attachment is enhanced or impeded by the infant’s responses.