what was black death caused by?
yersina pestis
Disease
Condition in which the presence of abnormality causes loss of normal structure and function and consequently affects health
Define the various types of pathology
1) General
2) systemic
3) experimental
1) study of disease processes which occur in all body systems
2) diseases found within an organ system
3) investigation and manipulation of animal and cell culture models of disease
what are the responses and resolution to pathological changes to cells
Response
- acute inflammation
- defence
Resolution
- regeneration/repair
- chronic injury
Define the following
1) Aetiology
2) Pathogenesis
3) Pathology
4) Clinical manifestations
5) Prognosis
6) Epidemiology
1) Cause of disease
2) Mechanism causing diease
3) molecular and morphologic changes to cells or tissues
4) signs and symptoms
5) secondary, systemic or remote consequences of disease
6) anticipated course of disease
7) incidence, prevalence and distribution
What is hypoxia?
Oxygen deficiency, interferes with aerobic oxidative respiration
What can hypooxia arise from?
Pneumonia so inadequate oxygenation
Blood loss anemia
Carbon monoxide poisoning
Ichemia- loss of blood supply to tissue
Name some chemical agents
Posions Tobacco Alcohol Glucose and salt alter osmotic balance O2 Environmental agents
Name 5 infectious agents
Infectious agents, Bacteria, Virus, Fungi, Parasites
What are prions
Small protein infectious particles which are resistant to inactivation by most procedures that modify nucleic acods
Name 5 immunological reactions
Immune imbalance Autoimmunity Hypersensitivites Graft rejection Immune Deficieny