Welcome to your Mechanisms of Action Quiz 2
1. Which of the following statements about bisphosphonate’s mechanism of action is false?
2. Which of the following antibacterial drugs works by disrupting cell wall synthesis?
3. Polar drugs have poorer oral bioavailability compared to non-polar drugs.
4. Diltiazem and verapamil are class IV antiarrhythmic drugs – meaning they work as what?
5. Benzodiazepines – such as diazepam and lorazepam – act by potentiating the actions of GABA, and by acting at a regulatory site linked to the GABA B receptor.
6. Carbonic anhydrase inhibitors – such as acetazolamide – work by acting at which part of the nephron?
7. Which of the following statements about ACE inhibitors mode of action is false?
8. Drugs used in the treatment of erectile dysfunction – such as sildenafil, tadalafil and vardenafil – work by inhibiting which phosphodiesterase isoenzyme?
9. Which of the following statements about diclofenac’s mechanism of action is true?
10. Which of the following drugs is a dopamine receptor antagonist which enhances gastric motility, increases the rate of gastric emptying, and increases the lower gastro-oesophageal sphincter tone?
