Infections Intro

Question 1

types of toxic infections

Answer 1

• Endotxins –> toxic shock
• Exotoxin (bacilliary dysentery, cholera, tetanus, diphtheria

Question 2

Define opportunistic infection, and state its most common case

Answer 2

• when Commensal bacteria becomes pathogenic due to low body resistance (defective immunity)
• most common–> E. Coli & fungal infections in AIDs

Question 3

Factors affecting infection

Answer 3

Resistance of the host:
* Natural immunity
* Acquired immunity

Organsim (pathogen itself):
* Quantity
* Virulence: ability to resist phagocytosis, attack enzymes, adhesive properties & Toxin production