URTI, Otitis, & Sinusitis Flashcards
What bug has the following?:
- Gram neg diplococci., catatalase pos., oxidase pos.
Is an aerobe
MORAXELLA CATARRHALIS
Name this bug!
MORAXELLA CATARRHALIS
List the four drug treatements of Moraxella Catarrhalis:
- Cephalosporins
- Amoxicillin-Clavulanate
- TMP-SMX
- Fluroquinolones
The following drugs treats which bug?
- Cephalosporins
- Amoxicillin-Clavulanate
- TMP-SMX
- Fluroquinolones
MORAXELLA CATARRHALIS
What is the function of BIOFILM in Moraxella Catarrhalis?
Helps in resisting antibiotics
Which bug is a potent producer of beta lactamase?
MORAXELLA CATARRHALIS
Which bug causes middle ear infections (otitis media) in children?
MORAXELLA CATARRHALIS
What is the significance of a positive hockey puck sign in Moraxella Catarrhalis?
Represents how easily the colonies slide across the agar.
What is the standard media to grow Haemophilus influenzae?
Chocolate Agar
What bug is a gram negative coccobacilli?
H. influenzae
How is H. influenzae transmitted?
Aerosol
When is the best age to vaccinate children against* H. Flu*?
2-18 mo.
What are the fastidious growth requirements of* H. influenzae*?
Factors X (10) & V (5)
Nicotinamide (NAD) is which factor?
Factor V (5)
Hematin is which factor?
Factor X (10)
Satellism is associated whith which bug?
H. influenzae
H. influenzae grows better near which bug?
Staph. Aureus
Is the vaccine for H. influenzae conjugated or unconjugated?
CONJUGATED
Hib vaccine
Hib vaccine: Polysaccharide combined- conjugated to protein (diptheria toxoid/outer membrane)
The vaccine for H. influenzae produces antibodies against which of the following bacterial components?
A.) IgA protease
B.) M protein
C.) Polysorbitol phosphate
D.) Protein A
E.) Vi capsule
Polysorbitol Phosphate
H. influenzae has what type of capsule?
Type b capsule
Non typeable H. influenzae (NTHi) is implicated in which 4 diseases?
- sinusitis
- otitis media
- smokers w/ COPD
- pneumonia in children
Which bug can cause the following disease patterns: epiglotitis, meningitis, and sepsis?
H. influenzae
Which virulence factor causes evasion in H. influenzae?
IgA protease
What are the 3 most common bugs for acute otitis media?
- H. influenzae
- Strep pneumoniae
- Moraxella catarrhalis