pathology Flashcards
How is pathology different than disease
it is the study of disease. analyzing cell and tissues
t/f animals have symptoms
F animals have clinical signs of the disease manifestation
what is pathogenesis?
mechanism of disease
etiology
cause of the disease. can be predisposing or determinant
what are the two types of predisposing etiological factors?
intrinsic (demographic) and extrinsic (environment)
give examples of an intrinsic determinant factor.
genetic abnormalities. genes, autosomal, etc
what are the three types of extrinsic determinant factors
biologic, physical, chemical
what is the difference between exogenous extrinsic determinant factors and endogenous extrinsic determinant factors?
exogenous are poisons outside our bodies. drugs, toxins. while endogenous are free radicals inside our bodies.
example of each of the four physical extrinsic determinant factors? (mechanic, thermal, atmospheric pressure, actinic)
laceration, extreme heat, increase in atmospheric pressure, UV radiation
what are predisposing intrinsic factors?
things that make your more vulnerable to a disease/disorder. age, sex, breed
examples of extrinsic predisposing factors?
lack of food, lack of nutrients
four elements to macroscopic description?
arrangement of the lesion, color, outline, shape, (consistency)
if someone says the lesion is: trachea, focally extensive, multifocal to coalescing, red, well demarcated, raised. what would this mean to you?
there are multiple lesions on the trachea that are affecting other organs around it. they have clear borders and are raised.
if a lesion is diffuse, what would that look like?
the whole organ is affected. there is not a single part that is normal tissue.
what do you call a lesion that is stand alone on an organ?
focal
