Category: C

  • Compressible

    Able to be pressed into a smaller space or squeezed together.  

  • Chemical compound

    A substance consisting of two or more chemical elements, in specific proportions and in chemical combination, for which a chemical formula can be written. Examples include water (H20) and salt (NaCl).  

  • Complicating disease

    A disease that occurs during the course of another disease.  

  • Compliance program

    A corporate or institutional program that provides guidelines for the ethical and legal behavior of employees. It is used to disseminate knowledge about, and to supervise, and enforce the conduct of health care employees, specifically their adherence to federally mandated rules that regulate health care fraud, waste, and abuse.  

  • Complement unit

    The smallest quantity of complement required for hemolysis of a given amount of red blood cells with one amboceptor (hemolysin) unit present.  

  • Complement-fixation reaction

    A reaction seen when complement enters into combinations formed between soluble or particulate antigens and antibody. It is used to diagnose many infectious illnesses, including chlamydia, syphilis, and mycoplasma, among others. A union of an antigen and antibody, accompanied by complement, a substance in regular serum that facilitates dissolution.  

  • Complementarity

    In individual and group interactions, the extent to which emotional requirements are met.  

  • Chief complaint

    The symptom or group of symptoms that represents the primary reason for seeking health care  

  • Compassion fatigue

    Cynicism, emotional exhaustion, or self-centeredness occurring in a health care professional previously dedicated to his or her work and clients.  

  • Compassionate use

    The administration of investigational drugs to a patient in a special circumstance in which it is felt that the drug may be lifesaving or effective when no other therapy would be. The procedure requires the treating physician to contact either the Food and Drug Administration or the drug manufacturer to obtain permission.