Infectious Diseases (Patho style) Flashcards
(21 cards)
Infectious Disease
Disorders caused by microorganisms such as viruses, bacteria, fungi, or parasites
Normal Microbial Flora can cause what?
May cause disease if immune system is compromised (ie colon flora can cause infection if spilled into abdomen during surgery)
What is normal microbial flora?
Microorganisms that line in/on your body and do NOT cause you harm (normally)
Where is normal microbial flora found?
Skin, nose, throat, esophagus, small intestine, urinary tract, and more!
Pathogenic Organisms include…
Viruses, Bacteria, Fungi, Protozoa
Examples of Viruses
Influenza, HIV, COVID-19
Examples of Bacteria
Strep throat, TB, Urinary tract infections
Examples of Fungi
Ringworm, fungal nail, infections
Examples of protozoa
Malaria, Tricomoniasis
Virulence
molecules or structures that allow pathogen to invade host tissues
Higher virulence = ?
more sever disease
Viruses
Agent consisting of DNA or RNA surrounded by protein coat, using various structures to bind and enter host cell
Virus structure and binding to host cell?
Spherical and Polyhedral, use spike proteins to bind
Bacteria
Uses fimbriae to stick to host cell
Protozoa and Fungi
Various cell wall proteins
Antibiotics?
Fight bactera
Antivirals?
Fight viruses
Antifungals?
Fight fungi
Antiparasitics?
Fight parasites
What is transmission?
Passing of a pathogen from infected host to individual or group
Common methods of transmission
Direct contact, non-direct contact, food contamination, contaminated medical device, mother to child, contact with animals, carriers (like insects), bodily fluids (be specific), etc.
