group attached to the acy amino group is called?

• A. phenoxyethyl

• B. Isoxazoyl

• C. Amidazole

• E. benzyl

• E. Mythoxyphenyl

Halogen substituents are best place in what position?

• A. 1,2 substitution

• B. 1,3 subtitution

• C. 1,4 substitution

• D. both A and B

• E. Both A and C

This antibiotic is primarily indicated for what type of infection

• A. kiebsiella

• B. Enterobacter

• C. Psudomonas

• D. Staphylococci

• E. Streptococci

Adding more 1 chloride atoms in the structure confers what modification on the pharmacokinetic profile

• A. Liberation

• B. Absorption

• C. Distribution

• D. Metabolism

• E. Excretio

what is the role of chloride atom in the structure?

• A. increase the susceptibility to penicillinase

• B. incresing the plasma concentration

• C. acid resistance property

• D. increase in parenteral absorption

• E. increase in oral absorption

preservatives like parabens increase their preservative property by:

• A. Reducing the parent compound

• B. Decreasing molecular weight

• C. Attaching a halogen to the parent compound

• D. substituting the parent compound with a lipophilic group

• E. Increasing the molecular weight

Sodium pump is an example of

• A. enzyme linked tyrosine kinase receptor

• B. G-Protein coupled receptor

• C. Ion-channel

• D. Gene-transcription-linked receptor

• E. None of the above

This is an approach in drug discovery whrein there is already an existing drug that can be used to identify a new lead compound

• A. Random Screening

• B. Molecular Docking

• C. Parent compound modication

• D. Biotechnology techniques

• E . Rational Drug Design

Azeotropic distillation of benzene is done in what concentration of ethanol?

• A. 95%

• B. 70%

• C. 50%

• D. 99%

• E. 10%

Radical reactions may also produceed using this reagent hydrogen peroxide

• A. Bromine water

• B. Hydrogen peroxide

• C. Nitric acid

• Sodium oxalate

• potassium bitartrate