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Alcohol Denaturation and Oxidation Reactions Quiz

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Alcohol Denaturation and Oxidation Reactions Quiz

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Questions and Answers

What can interfere with the absorption of fluoroquinolones?

Vitamin B12

Calcium supplements

Sucralfate (correct)

Vitamin C

Which antibacterial agents are contraindicated for pregnant women with UTI?

Tetracyclines

Fluoroquinolones (correct)

Aminoglycosides

Macrolides

Which adverse effect is NOT associated with fluoroquinolones?

Nephrotoxicity

Dizziness

Crystalluria

Dry mouth (correct)

What is the mechanism of action of fluoroquinolones?

Inhibition of DNA synthesis Signup and view all the answers

Which first-generation quinolone is useful in treating UTIs caused by Gram-negative bacteria?

Nalidixic acid Signup and view all the answers

What enzyme do fluoroquinolones inhibit to interfere with DNA synthesis?

Topoisomerase II (DNA gyrase) Signup and view all the answers

'Cinoxacin' (Cinobac®) shares the same action with 'Nalidixic acid' but has what advantage?

Greater oral bioavailability Signup and view all the answers

'Norfloxacin' (Noroxin) has a broad spectrum of activity against which types of bacteria?

Both Gram-negative & Gram-positive bacteria Signup and view all the answers

What is the mechanism of action of sulfonamides?

Inhibition of dihydrofolate reductase Signup and view all the answers

Which drug combination is used as the first-line treatment for Pneumocystis carinii?

Trimethoprim and sulfamethoxazole Signup and view all the answers

Which type of leprosy is Dapsone (Avlosulfon) commonly used to treat?

Lepromatous leprosy Signup and view all the answers

Which sulfonamide drug is used in burn therapy to prevent and treat bacterial infection?

Silver sulfadiazine Signup and view all the answers

What adverse effect is commonly associated with sulfones like Dapsone?

Hemolytic anemia Signup and view all the answers

Which drug is used as a single agent for uncomplicated urinary tract infections?

Trimethoprim Signup and view all the answers