Think you know Pharmacology?

Sample Pharmacology questions

These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.

1. 1 Easy

   What is a drug called when its patent protection expires?

   Answer: Generic

   Why: In the United States generics were 90 percent of prescriptions filled in 2024, but only 12 percent of prescription drug spending.

2. 2 Medium

   Which fruit juice can dangerously increase drug concentrations in blood?

   Answer: Grapefruit

   Why: It blocks the gut enzyme CYP3A4, so more drug reaches the blood; over 85 medicines interact and 43 can cause serious harm.

3. 3 Hard

   Which mold species did Alexander Fleming discover in 1928?

   Answer: Penicillium notatum

   Why: The mould was first labelled Penicillium rubrum, then notatum by Charles Thom, and DNA work in 2011 made it Penicillium rubens.

4. 4 Easy

   What medical treatments prevent infectious diseases by training the human immune system?

   Answer: Vaccines

   Why: Edward Jenner pioneered the practice in 1796 using cowpox lesions to safely immunize patients against smallpox.

5. 5 Medium

   Morphine was named after Morpheus, the Greek god of what?

   Answer: dreams

   Why: German apprentice pharmacist Friedrich Sertürner isolated it from opium around 1804, the first alkaloid ever obtained from a plant.

6. 6 Hard

   What term describes the time for drug concentration to drop 50%?

   Answer: Half-life

   Why: After four to five half lives, 94 to 97 percent of a dose has left the body, which is why dosing schedules are counted in them.