BIOL 1200 Lecture Notes - Lecture 1: Dysphonia, Iatrogenesis, Wart
Document Summary
Pathogenesis - describes how a particular disease progresses. Predisposing factors : heredity, age, sex, lifestyle, environment. Identification or naming of disease: medical history, physical examination, diagnostic tests. Signs - what the physician sees or measures. Skills used by physician : percussion, auscultation, palpation. Holistic medicine - consideration of the whole person: spiritual, cognitive, physical, emotional, social. Palliative treatment - used to prevent discomfort, but not to cure. Hereditary disease classification: single gene abnormality, several gene abnormalities, chromosomal abnormality. Hyperplasias - overgrowth in response to a stimulus. Neoplasm - new growth: benign, encapsulated, malignant. Metastasis - spread from site of origin to secondary site in body. Cachexia - cannot eat enough to get needed nutrients. Enteral - administration of nutrients through the small intestine. Protective qualities of the immune system : leukocytes, antibodies. Common ways the immune system fails : allergy, autoimmunity, immunodeficiency. Causes of cellular injury and death : hypoxia, anoxia, drug or bacterial toxins, viruses.
