Category: R

  • Rationale

    The logical or fundamental reason for a course of action or procedure.  

  • Ration

    A fixed allowance of food and drink for a certain period.  

  • Rate of perceived exertion

    A category and category-ratio scale developed by physiologist G. A. Borg, in which a patient reports his or her level of effort during exercise. The corresponding written descriptions range from “very light” to “very, very hard.” The scale correlates well with cardiorespiratory and metabolic variables such as minute ventilation, heart rate, and blood lactate levels.…

  • Rat

    A rodent of the genus Rattus, found in and around human habitations. In addition to causing economic loss from crop destruction, rats are of primary importance in the spread of human and animal diseases. They are hosts of various protozoans, flukes, tapeworms, and threadworms, and reservoirs of amebiasis, murine and scrub typhus, and bubonic plague.…

  • Rastafarian

    A religious cult that originated in Jamaica in the 1930s and has members in the Caribbean, Europe, Canada, and the U.S. It is of medical importance because cult members’ dietary practices may lead to vitamin 14ta deficiency with subsequent neurological disease, megaloblastic anemia, or both.  

  • Rappel

    To slide down a rope, as in a lifesaving rescue.  

  • Rapid antigen test

    Any laboratory test used to quickly identify the presence of a specific antigen in a body fluid sample. Rapid antigen tests are often used to assess whether disease-causing viruses or bacteria are present in samples of body fluids (instead of waiting for the results of microbiological cultures). A commonly employed rapid antigen test is used…

  • Raphe of penis

    A median ridge on the undersurface of the penis, a continuation of the raphe of the scrotum.  

  • Rape-trauma syndrome: compound reaction

    A nursing diagnosis accepted at the NANDA 13th Conference (1998); forced violent sexual penetration against the victim’s will and consent. The trauma syndrome that develops from this attack or attempted attack includes an acute phase of disorganization of the victim’s lifestyle and a long-term process of reorganization of lifestyle.  

  • Rape-trauma syndrome

    Sustained maladaptive response to a forced, violent sexual penetration against the victim’s will and consent.