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Folic Acid Synthesis and Sulfonamides Quiz

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Folic Acid Synthesis and Sulfonamides Quiz

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Questions and Answers

What is the main role of folic acid in the synthesis process?

Inhibiting bacterial growth

Boosting energy metabolism

Promoting DNA and RNA synthesis (correct)

Enhancing protein production

How do bacteria obtain folic acid?

By consuming other microorganisms

By scavenging it from host cells

By synthesizing it from p-aminobenzoic acid (correct)

By absorbing it from the environment

What is the mechanism of action of sulfonamides in inhibiting folic acid synthesis?

Enhancing the absorption of folic acid

Stimulating DNA replication

Competing with PABA for bacterial folic acid synthesis (correct)

Directly destroying folic acid molecules

What characterizes the antibacterial spectrum of sulfonamides?

They are broad-spectrum bactericidal Signup and view all the answers

How does trimethoprim enhance its antibacterial effect?

By acting synergistically with sulphamethoxazole Signup and view all the answers

What is the primary function of co-trimoxazole?

To act as a bactericidal combination Signup and view all the answers

Which component competes with PABA in bacterial folic acid synthesis?

Sulfonamides Signup and view all the answers