lecture 18- infectious diseases respiratory tract Flashcards
1
Q
what is the most defensive part of the respiratory system
A
bronchi and URT (nose, sinuses, pharynx, larynx)
2
Q
what’s the most common entry of infectious agents
A
- respiratory system
- through airborne or spread by droplets
3
Q
respiratory tract defences
A
- goblet cells – produce mucus
- sticky– traps microbes, allergens
- cilia- hair like move bacteria out to pharynx
4
Q
what us microbial antagonism
A
- suppresses ability of pathogens to grow by limiting space and nutrients
5
Q
what us dysbiosis
A
- imbalance of normal microbiome – allow opportunistic overgrowth
6
Q
pharyngitis
A
inflammation of the mucus membranes
7
Q
strep throat
A
- upper respiratory tract
transmission- airborne droplets
pharyngitis is a symptom- inflammation of the mucus membranes
8
Q
A
9
Q
A