Why Is It That by Blocking Adenosine Receptors, Caffeine Functions

question 116

Multiple Choice

Why is it that by blocking adenosine receptors, caffeine functions as a stimulant?

• A) Caffeine also blocks reuptake of catecholamines.
• B) Caffeine also blocks reuptake of indolamines.
• C) Adenosine is an inhibitory neurotransmitter
• D) Adenosine is an excitatory neurotransmitter

---

Definitions:

Nitrobenzene

An organic compound constituted by a benzene ring bonded to a nitro group, used in the production of anilines.

Activator

A substance that increases the rate of a chemical reaction without being consumed, often by lowering the activation energy.

Major Organic Product

The primary product resulting from the majority pathway of an organic reaction.

Benzene

An aromatic hydrocarbon with a ring of six carbon atoms bonded together in a planar hexagonal ring with alternating single and double bonds.