Final answer:
Caffeine can potentially surge in your bloodstream when consuming coffee, tea, energy drinks, and some soft drinks.
Step-by-step explanation:
Caffeine is a stimulant found in coffee, tea, energy drinks, and some soft drinks. When consumed, caffeine blocks the activity of adenosine, a neurotransmitter that promotes drowsiness. Therefore, drinking any of these beverages can potentially lead to a surge of caffeine in your bloodstream.