Question

1.- Concepts: Pathology, Etiology, Pathogen, Pathogenesis, Infection, Disease.

2.- Normal Microbiota – Transient Microbiota.

3.- Opportunists.

4.- Factors that increase infection susceptibility.

5.- Factors to maintain Normal Microbiota.

6.- Areas of the body with Normal Microbiota and sterile areas.

7.- Symbiosis: Commensalism – Mutualism – Parasitism.

8.- Exceptions to Koch’s postulates.

9.- Symptom – Sign – Syndrome.

10.- Communicable and Non-communicable infectious diseases. Contagious disease.

Answer 1

Answer 1

Pathology: The word pathology came from 2 words logos and pathos. Logos means study and pathos means suffering, in Latin pathology means study of suffering. And Rudolf virchow is considered as father of modern pathology

Etiology: Etiology means the cause, the cause for various diseases

Etiology can be genetic or acquired

Pathogen: Pathogen is an organism which have ability to produce disease

Pathogenesis:

Pathogenesis refers to mechanism or the steps involved in mechanism. it helps yo identify structural and functional changes in the cell or tissue

Infection:

Infection occurs when bacteria or viruses or microbes enter and produce disease in the body and multiply

Disease:

Disease occurs when cells in the body are damaged due to infection and show various signs and symptoms of illness