PENICILLINS CLASS

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Questions and Answers

A 45-year-old male presents with fever, productive cough with rusty sputum, and consolidation on chest X-ray consistent with community-acquired pneumonia. Vital signs are stable and he has no drug allergies. What is the most appropriate first-line antibiotic?

  • A) Amoxicillin
  • B) Ciprofloxacin (correct)

A 6-year-old child presents with right ear pain, fever, and a bulging, erythematous tympanic membrane. What is the most appropriate antibiotic?

  • A) Ampicillin
  • B) Amoxicillin-clavulanate (Augmentin) (correct)

PCN" = "Primarily Combats Nasty gram-positives"

  • PCN" = Nasty gram-negatives"
  • PCN" = NICE gram-positives" (correct)

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Penicillin G/V: NARROW/BROAD spectrum, primarily Streptococcus

<p>Penicillin G/V: NARROW spectrum, primarily Streptococcus (B)</p> Signup and view all the answers

Piperacillin-tazobactam: BROAD/NARROW spectrum with anti-pseudomonal activity

<p>Piperacillin-tazobactam: BROAD spectrum with anti-pseudomonal activity (B)</p> Signup and view all the answers

A 24-year-old male presents with sore throat, fever, and tonsillar exudate. Rapid strep test is positive. The most appropriate antibiotic is:

<p>A) Penicillin V (A)</p> Signup and view all the answers

A 6-year-old child presents with otitis media and has no drug allergies. After 3 days of amoxicillin therapy, symptoms have not improved. The most appropriate next step is:

<p>B) Switch to amoxicillin-clavulanate (B)</p> Signup and view all the answers

A 72-year-old man with aspiration pneumonia requires IV antibiotics. The most appropriate penicillin-class antibiotic is:

<p>Piperacillin-tazobactam (A)</p> Signup and view all the answers

A patient reports a history of "hives all over" after taking penicillin as a child. Which antibiotic should be avoided?

<p>A) Ceftriaxone (A)</p> Signup and view all the answers

A 35-year-old diabetic patient presents with a foot ulcer infected with MSSA (methicillin-sensitive Staphylococcus aureus). The most appropriate oral antibiotic is:

<p>A) Dicloxacillin (A)</p> Signup and view all the answers

A patient with severe hospital-acquired pneumonia in the ICU needs pseudomonal coverage. The most appropriate penicillin is:

<p>A) Piperacillin-tazobactam (A)</p> Signup and view all the answers

A patient with a history of a non-severe, non-anaphylactic penicillin allergy needs treatment for community-acquired pneumonia. The safest first-line alternative is:

<p>B) Clindamycin (B)</p> Signup and view all the answers

A patient is prescribed amoxicillin-clavulanate (Augmentin). What side effect should they be warned about?

<p>Diarrhea (B)</p> Signup and view all the answers

A 4-year-old with sinusitis weighs 18 kg. The correct dose of amoxicillin is:

<p>B) 80-90 mg/kg/day (B)</p> Signup and view all the answers

A pregnant woman in the second trimester has a UTI. The safest penicillin to prescribe is:

<p>A) Ampicillin (A)</p> Signup and view all the answers

A 65-year-old with renal insufficiency (CrCl 25 mL/min) is prescribed piperacillin-tazobactam. How should the dosing be adjusted?

<p>B) Extend dosing interval (B)</p> Signup and view all the answers

A 28-year-old develops a maculopapular rash on day 7 of amoxicillin treatment for strep throat. The most likely cause is:

<p>B) Infectious mononucleosis (B)</p> Signup and view all the answers

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Flashcards

Capital of France (example flashcard)

Paris

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