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- Several compounds have been found to inhibit -lactamase, and drugs based on these compounds can be taken in combination with penicillins and cephalosporins to restore their effectiveness when resistance is known to be a problem. The commonly prescribed formulation called Augmentin is a combination of the -lactamase inhibitor shown below with amoxicillin (shown above). It is used to treat childhood ear infections when resistance is suspected, and many kids know it as the white liquid that tastes like bananas. Which of the statements below are true statements? 1. The stereochemistry of the fusion between the four-and five-membered rings in the inhibitor and amoxicillin are different. 2. The inhibitor possesses enol ether and allylic alcohol functional groups while the antibiotic possesses a phenol and a secondary amide functional group. 3. Neither the inhibitor nor the antibiotic contains strained rings. 4. Both 1 and 2 are true.You came across an article debating the use of Prevacid® vs. Nexium®. While both drugs have the same therapeutic effect, one is sold as a racemate and the other is sold as a single enantiomer. Previous medications such as Thalidomide and Advair® have sparked a debate about the safety of drugs sold as a racemate. 4. What is a racemate?1. Biogenic Amines are inactivated primarily by a. Sulfonation b. Glucoronidation c. Aromatic hydroxylation d. Methylation 2. A drug can exert its pharmacological effect only if it is a. Protein bound b. Protein unbound c. Free drug d. Both B & C e. Both A & C 3. In order for the drug to be ready and available for absorption, it must be release first from its dosage form with the exception of: a. Capsule b. Tablet c. Solution d. Suspension 4. All of the following are true, except a. Solubility increase with decrease particle size b. Solubility increase with increase surface area c. Solubility increase with increase particle size d. Solubility decrease with decrease surface area 5. The rate in which the drug appears in the bloodstream is also known as a. Half-life b. Potency c. Bioavailability d. Area under the curve
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