Which of the following is true regarding the action of sulfonamides? - ProProfs Discuss
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Which of the following is true regarding the action of sulfonamides?



A. Increased PABA concentrations decrease their effectiveness
B. Inhibit the dihydrofolate enzyme
C. Work synergistically with TMP
D. Prevents the formation of folic acid
E. Bacteriocidal

This question is part of pharmacology Sulfa and TMP
Asked by Jwells, Last updated: Dec 05, 2017

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1 Answer

John Smith

John Smith

Answered on Oct 18, 2016

Increased PABA concentrations decrease their effectiveness
2. Work synergistically with TMP
3. Prevents the formation of folic acid

They are bacteriostatic and inhibit the dihydropteroic acid enzyme (TMP inhibits dihydrofolate)
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