National Dental Examining Board of Canada (NDEB) Practice Exam

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Master your National Dental Examining Board of Canada (NDEB) exams with our comprehensive practice guide. Achieve excellence in your dental certification with expertly crafted questions and detailed explanations.

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

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A natural alkaloid obtained from opium is?

Morphine
Theobromine
Caffeine
Codeine

The correct answer is: Codeine

Codeine is the natural alkaloid obtained from opium and is a known pain reliever commonly used to treat mild to moderate pain. The other options, morphine, theobromine, and caffeine are also alkaloids obtained from opium, but have different properties and uses. Morphine is a more potent painkiller than codeine, but also has a higher risk for abuse and addiction. Theobromine has weaker stimulating effects and is mostly found in chocolate and tea. Caffeine, on the other hand, is a stimulant that is found in coffee, tea, and some energy drinks. However, while all four of these alkaloids are obtained from opium, only codeine is widely used as a controlled medication.