## **Core Concept**
The question targets knowledge of pharmacological agents used to aid smoking cessation. Smoking cessation drugs typically work by either reducing withdrawal symptoms or decreasing the rewarding effects of smoking.

## **Why the Correct Answer is Right**
The correct answer, **Bupropion**, is an antidepressant that has been approved by the FDA for smoking cessation. It is believed to work by affecting neurotransmitters in the brain, specifically **dopamine** and **norepinephrine**, which are involved in reward pathways and can help reduce cravings and withdrawal symptoms associated with quitting smoking.

## **Why Each Wrong Option is Incorrect**
- **Option A:** This option is blank and does not provide a valid drug name.
- **Option C:** This option is also blank and does not provide a valid drug name.
- **Option D:** This option is blank as well and does not provide a valid drug name.

## **Clinical Pearl / High-Yield Fact**
A key point to remember is that **Bupropion** is one of the few non-nicotine prescription medications approved to help people quit smoking. Another important drug in this category is **Varenicline**, which works by blocking the nicotine receptors in the brain. A memorable fact is that **Bupropion** can also be used for treating depression, making it a versatile drug.

## **Correct Answer:** B. Bupropion