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53 Cards in this Set

  • Front
  • Back

Pathology

Study of disease

Disease

Response of the body to some form of injury.

Signs

Measurable or objective manifestations

Symptoms

Feeling that the patient describes. Subjective manifestations.

Asymptomatic

Without subjective or objective manifestations

Etiology

Study of the cause of the disease process

Iatrogenic infection

Disease caused by the physician or treatment

Nosocomial infection

Infections contracted in acute care facility.

Community acquired infection

Infections contracted in a public setting outside if the acute care facility

Idiopathic

Underlying cause is unknown

Diagnosis

Identification of the disease process

Prognosis

Probable patient outcome

Syndrome

Linked combination of signs and symptoms

Inflammation

Initial repsonse of tissue to local injury

Pyogenic bacteria

Thick yellow fluid caused by pus (dead white cells)

Abscess

Localized usually encapsulated collection of fluid

Bacteremia

Potential involvement of other organs and tissues in the body by organisms invading the blood vessel

Edema

Accumulation of abnormal amounts of fluid in the intercellular tissue spaces or body cavities

Elephantiasis

Localized lymphatic obstruction resulting in localized edema

Ischemia

Interference of blood supply to an organ; deprives cells and tissues of oxygen and nutrients

Infarct

Localized area of ischemic necrosis; produced by occlusion of either arterial supply or venous drainage

Hemorrhage

Implies rupture of a blood vessel

Hematoma

Accumulation of blood trapped within body tissue

Petechiae

Minimal hemorrhages into the skin, mucous membranes, or serosal surfaces.

Purpura

Slightly larges hemorrhages

Ecchymosis

Subcutaneous hematoma;bruise

Atrophy

Reduction in size or # of cells in an organ or tissue with a corresponding decrease in function

Hypertrophy

Increase in the size of the cells of a tissue or organ in reponse to a demand for increased function

Hyperplasia

Increase in the # of cells in a tissue or organ

Dsyplasia

Loss of uniformity of individual cells and their architechural orientation

Neoplasia

Ungoverned abnormal proliferation of cells

Oncology

The study of neoplasms (tumors)

Benign

Growth that closely resembles the cells of origin in structure and function

Malignant

Neoplastic growth that invades and destroyes adjacent structures

Metastasize

Malignant neoplasms that travel to distant sites

Sarcoma

Highly malignant tumor originating from connective tissue

Lymphatic spread

Major routes by which carcinoma metastasizes

Hemotogenous spread

Malignant tumors that have invaded the circulatory system and travel as neoplastic emboli.

Grading

Assessment of aggressiveness or degree of malignancy

Staging

1 extensiveness of tumore at primary site 2 prescence or abscence of metastases to lymph nodes and distant organs

Epidemiology

Study of determinants of disease events in given populations

Morbidity

Rate that illness or abnormality occurs

Morality

Reflects the # of deaths by disease per population

Antigen

Foreign substance that evokes an immune response

Antibodies

Immunoglobins responding to antigens to make them harmless

Immune

Protected against antigens; antibodies binding with antigens to make them harmless

Vaccine

Contact with dead or deactivated microorganims to form antibodies

Active immunity

Forming antibodies to counteract an antigen by way of vaccine or toxoid

Passive immunity

Administration of dose of preformed antibdoies from the immune serum if an animal usually a horse

Anaphylactic reactions

Hypersensitive reaction resulting in antihistamine release

Standard precautions

Protection used when delivering healthcare service to any person

PPE

Gowns gloves masks shoe covers and eye protection used to prevent the trasmission of potential infectious agents

Trasmission-based precautions

Additional PPE to prevent the spread of highly infectious pathogens throughc contact, droplet, or airborne transmission