Penicillins and Bacterial Cell Wall Synthesis

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Questions and Answers

What percentage of patients have some kind of reaction to beta-lactam antibiotics?

  • 1%
  • 10%
  • 15%
  • 5% (correct)

What is the primary cause of diarrhea associated with beta-lactam antibiotics?

  • Disruption of normal balance of intestinal microorganisms (correct)
  • Viral infection
  • Allergic reaction to the antibiotic
  • Bacterial overgrowth

What is a common cause of diarrhea after antibiotic use?

  • Inflammatory bowel disease
  • Gastroenteritis
  • Pseudomembranous colitis (correct)
  • Viral infection

What is the term for swelling or inflammation of the large intestine due to an overgrowth of Clostridium difficile bacteria?

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

Why is methicillin no longer used clinically?

<p>Due to its potential to cause acute interstitial nephritis (B)</p> Signup and view all the answers

What is a potential side effect of injecting penicillins intrathecally?

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

What is the term for a severe allergic reaction that can occur with beta-lactam antibiotics?

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

What is the primary reason for determining a patient's history of allergic reactions to beta-lactam antibiotics?

<p>To determine whether treatment with a beta-lactam is safe (C)</p> Signup and view all the answers

What is the term for the marked swelling of the lips, tongue, and periorbital area?

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

Why do cross-allergic reactions occur among the beta-lactam antibiotics?

<p>Due to their similar chemical structure (C)</p> Signup and view all the answers

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