2nd Year Biology Chapter 15 Test15. Pharmacological Drugs

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

1. Which type of antibiotic inhibits bacterial cell wall synthesis?
   1. Tetracyclines
   2. Penicillins
   3. Sulfonamides
   4. Fluoroquinolones
2. Monoclonal antibodies are produced from:
   1. Many types of immune cells
   2. A single clone of antibody
   3. Viruses
   4. Multiple bacterial strains
3. An example of a penicillin antibiotic is:
   1. Doxycycline
   2. Ciprofloxacin
   3. Amoxicillin
   4. Sulfamethoxazole
4. Which of the following techniques is best for measuring the effectiveness of antibiotics on bacteria?
   1. Physical testing
   2. Chemical testing
   3. Biological testing
   4. Combined physical and chemical testing
5. Antiretrovirals are specifically used to treat:
   1. Tuberculosis
   2. Retrovirus infections like HIV
   3. Bacterial pneumonia
   4. Influenza
6. Which point in the replication cycle appears most easily blocked by antivirals?
   1. Virus absorption
   2. Virus penetration
   3. Virus RNA and DNA replication
   4. Exit of viruses from the cell
7. What is the main purpose of Phase IV testing?
   1. Determine therapeutic window
   2. Determine unreported toxicity
   3. Determine variation in absorption
   4. Determine tolerability
8. How do antibiotics generally act?
   1. By increasing immunity
   2. By killing bacteria
   3. By neutralizing viruses
   4. By boosting DNA repair
9. The pharmacokinetic properties of a drug are mainly governed by the physicochemical properties of the drug such as it’s:
   1. Solubility in aqueous solutions
   2. Size and structure
   3. Ability to form hydrogen bonds
   4. All of these
10. Which antibiotic group blocks protein synthesis at the 30S ribosomal subunit?
    1. Sulfonamides
    2. Fluoroquinolones
    3. Tetracyclines
    4. Penicillins