GB Germs

Question 1

. Are babies born with a normal “microflora” of bacteria?Where do the bacteria in a newborn’s mouth most likely originate?

Answer 1

No its acquired ,First sip of breast milk and birthing (mother’s mouths, maybe)

Question 2

Purpose for nasal mucus??? Purpose for ciliated epithelial cells in the upper respiratory tract???

Answer 2

• Traps dust and kills pathogens

- Propel trap microbes to the back of the throat where they can be swallowed of coughed

Question 3

What oxygen class of bacteria makes up the majority of our large intestine’s ecosystem?  How are they helpful to us?  
How can they be harmful?

Answer 3

• Anaerobe
• Help digest nutrients and calories that otherwise wouldn’t be digestible
• Oppurtanisicit- there okay in there normal place unless they are not in the normal place

Question 4

The low pH of our stomachs is very protective in that it kills the vast majority of bacteria. Based on this fact…How is it that a newborn baby’s small and large intestine are colonized by bacteria???

Answer 4

Stomach acid secretion doesn’t begin until three mounths of age

Question 5

Helicobacter pylori

how doesH. pylori “defy” Koch’s Postulates?

Answer 5

Stomach bug,

Inability to infect every healthy host when administered; some people remain asymptomatic for years.

Question 6

Three reasons why Antibiotics don’t work

Answer 6

Maturation of attached bacteria into a differentiated biofilm?

• afailure of an agent to penetrate the full depth of the biofilm.
• anti biotics only kill planktonic cells released by the biofilms it doesn’t kill the bio film