Pharmacology: COX Inhibitors Classification

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Questions and Answers

What is the main enzyme inhibited by the drugs discussed in the chapter?

  • ACE
  • LOX
  • COX-1
  • COX-2 (correct)

Which group of NSAIDs selectively inhibits COX-2?

  • First-generation NSAIDs
  • Second-generation NSAIDs (correct)
  • Acetaminophen
  • None of the above

What can the inhibition of COX-1 cause?

  • Suppression of inflammation
  • Relief of mild to moderate pain
  • Renal impairment (correct)
  • Prevention of MI and stroke

What are the major beneficial actions of aspirin as mentioned in the text?

<p>Suppression of inflammation, relief of mild to moderate pain, reduction of fever, and prevention of MI and stroke (B)</p> Signup and view all the answers

Why do the antiplatelet effects of a single dose of aspirin persist for the life of the platelet?

<p>Because platelets cannot synthesize new COX (D)</p> Signup and view all the answers

Which form of COX is responsible for the prevention of MI and stroke by aspirin?

<p>COX-1 (B)</p> Signup and view all the answers

What type of doses of aspirin are typically higher than analgesic or antipyretic doses?

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

Which condition can aspirin be particularly useful for?

<p>Rheumatoid arthritis (C)</p> Signup and view all the answers

What effect can high-dose aspirin have on postoperative pain when compared to opioids?

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

How can the risk of aspirin-induced gastric ulcers be reduced?

<p>Testing for H.pylori and using PPI or H2RA (C)</p> Signup and view all the answers

What should patients do to minimize the interaction between aspirin and other NSAIDs, like ibuprofen or naproxen?

<p>Take other NSAIDs 2 hours before aspirin (D)</p> Signup and view all the answers

In which patient population should aspirin be avoided due to the risk of Reye syndrome?

<p>Children with asthma (C)</p> Signup and view all the answers

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