Day 2 Diseases: Skin-Bacteria: Microbiology

Folliculitis: What is the cause of folliculitis?

Staphylococcus aureus (S. aureus).

Folliculitis: How is Folliculitis transmitted?

Direct contact,

fomites.

Folliculitis: How is folliculitis prevented?

Good wound care.

Necrotizing Fasciitis: What is the cause of Necrotizing Fasciitis?

Streptococcus pyogenes.

Necrotizing fasciitis: How is necrotizing fasciitis transmitted?

Skin wounds,

person-to-person.

Necrotizing fasciitis: How is Necrotizing fasciitis prevented?

Good wound care.

Pseudomonas aeruginosa: What is the cause of Pseudomonas aeruginosa?

Pseudomonas infections.

Pseudomonas aeruginosa: How is Pseudomonas aeruginosa transmitted?

Common in burn victims,

hot tubs.

Pseudomonas aeruginosa: How is Pseudomonas aeruginosa prevented?

Good wound care.

Pseudomonas aeroginosa: What is Pseudomonas aeruginosa resistant to?

Most antibiotics.

Pathogens: What is a pathogen?

Microbe causes disease,

~1% of microbes.

Pathogens: What is an opportunistic pathogen?

Only causes infection if it has the opportunity.

Pathogens: What is an example of an opportunistic pathogen?

Microbiota.

Pathogens: What is a microbiota?

Normally live in/on body without causing disease.

What did Antonin Von Leeuwenhoek develop?

The first microscope.

What are some ways people believe microbes appear?

Spontaneous generation,

biogenesis.

What is biogenesis?

Life comes from pre-existing life.

What scientists disproved spontaneous generation?

Redi, Pasteur, and Koch.

What is fermentation?

Glucose → acid (most organisms) or alcohol (yeast).

Yeast are facultative anaerobes. What are facultative anaerobes?

Can live with or without oxygen.

What is pasteurization?

Heat food/drink to kill most germs, then rapidly cooled to preserve food/drink quality.

What is the Germ Theory of Disease?

Germs cause infectious diseases.

Who credited the Germ Theory of Disease?

Pasteur and Koch.

What did Koch do?

Determined the cause of anthrax.

What does the Antiseptic Technique do?

Prevent spreading germs and prevents healthcare acquired infections (HAIs).

How do you apply the Aseptic Technique in real time?

Change gloves between patient,

skin prep,

inserting catheters.

What did Dr. Semmelweis (OB) make med students do?

Had med students wash hands before delivering babies and significantly decreased mother‘s death rates.

What did Dr. Lister (surgeon) do?

Spray wounds with Lysol leading to a significant decrease in wound infections and death.

What did Florence Nightingale (nurse) do?

Invented nursing school and made sure patients had clean food and clean rooms.

What are prokaryotes?

Smaller, simpler cells that have fewer organelles and are unicellular.

What are eukaryotes?

Larger, more complex cells that can be unicellular or multicellular.

What is an example of a prokaryote?

Bacteria.

What is taxonomy?

Grouping scientific organisms together,

scientific naming.

Who created scientific naming?

Linnaeus.