Pharmacology quiz

More questions about Pharmacology

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

   Which suffix identifies beta-blocker medications?

   Answer: -olol

   Why: Standardized word stems like -olol and -pril are designated globally to help clinicians recognize drug classes instantly.

6. 6 Hard

   Which receptor mutation causes malignant hyperthermia?

   Answer: Ryanodine receptor

   Why: The mutated ryanodine channel dumps massive amounts of calcium into muscle fibers, causing uncontrollable heat.