Lower Respiratory Bacterial diseases Flashcards
the Upper respiratory system usually has a lot of what?
Many normal microbiota
The normal microbiota may become what type of pathogens?
opportunistic
the Lower respiratory system is what type of environment?
Axenic
Bacterial infections of the Lower respiratory system can cause what?
Can cause life threatening illness
Strep throat causes the pharynx to appear red, swell the lymph nodes and cover the tonsils in what?
Purulent abscesses covering the tonsils (PUS POCKET)
Many cases of Strep throat can process into what?
scarlet or rheumatic fever/heart disease
Strep throat is caused by what pathogen
Streptococcus pyogenes
Strep throat can be spread via what?
respiratory droplets
Strep throat is most common in children in what age range?
5-15
how would one go about treating strep throat
antibiotics recommended to prevent developing Rheumatic Fever/heart disease
Scarlet fever is also known as what?
scarletina
scarlet fever can develop 1-2 days after what?
strep throat
what is the hallmark sign of scarlet fever?
the tongue becomes strawberry red
Scarlet fever often accompanies what?
strep throat when infections involve strain of S. pyogenes
Signs of diphtheria are sore throat, localized pain, fever and what adhering to posterior throat structures?
the pseudomembrane
In severe cases of diphtheria the pseudomembrane can do what?
occlude the airway, resulting in death by suffocation
Diphtheria is caused by what pathogen
Corynebacterium diphtheriae
Corynebacterium diphtheriae produces what?
diphtheria toxin
Corynebacterium diphtheriae divides by snapping fission, forming what?
characteristic palisade arrangement
Diphtheria is spread via what?
respiratory droplets or skin contact
Diphtheria is mainly symptomatic in which type of individuals?
immunocompromised or non immune individuals
Diphtheria is based on the presence of what?
a pseudomembrane
How does one treat diphtheria
with antitoxin and antibiotics
in severe cases of diphtheria blocked airways must be opened how?
surgically or bypassed with tracheotomy