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1. Which organisms are considered Gram-positive?
A) E. coli, Klebsiella
B) Haemophilus influenzae, Moraxella catarrhalis
C) Staph, Strep, Enterococcus
D) Pseudomonas, Serratia
Answer: C
Rationale: Common Gram-positive organisms include Staphylococcus, Streptococcus, and Enterococcus.
2. What is the first-line treatment for Gram-positive infections?
A) Macrolides
B) Cephalosporins, 3rd generation
C) Penicillins
D) Aminoglycosides
Answer: C
Rationale: Penicillins are the primary treatment for most Gram-positive bacteria.
3. If a patient has a penicillin allergy, what is the second-line treatment for Gram-positive infections?
A) Aminoglycosides
B) 2nd generation cephalosporins or macrolides
C) Tetracyclines
D) Fluoroquinolones
Answer: B
, Rationale: Third-generation cephalosporins are often used, and macrolides like azithromycin are alternatives in
case of anaphylaxis.
4. Which pathogens are commonly associated with AOM and sinusitis?
A) MRSA, Pseudomonas
B) Haemophilus influenzae, Moraxella catarrhalis, Streptococcus pneumoniae
C) Clostridioides difficile, Enterococcus faecalis
D) E. coli, Proteus mirabilis
Answer: B
Rationale: These bacteria are frequently responsible for ear and sinus infections.
5. What is the first-line antibiotic treatment for AOM in most pediatric cases?
A) High-dose amoxicillin for 5–10 days
B) Erythromycin
C) Ciprofloxacin
D) Doxycycline
Answer: A
Rationale: High-dose amoxicillin remains the standard for uncomplicated acute otitis media.
6. What are common pain management options for AOM?
A) Opioids
B) Ibuprofen or acetaminophen
C) Aspirin only
D) Corticosteroids
Answer: B
Rationale: Ibuprofen and acetaminophen are typically used to relieve ear pain in AOM.