Ritalin Is Used to Control Attention Deficit Hyperactivity

question 116

Multiple Choice

Ritalin is used to control attention deficit hyperactivity. Thalidomide was used in the 1950s to treat morning sickness. One enantiomer of thalidomide was found to produce birth defects. How many chiral centers are there together in these two molecules? Note hydrogen atoms attached to carbon are implicit.

• A) 1
• B) 2
• C) 3
• D) 4
• E) 5

---

Definitions:

Sewage Treatment

Sewage treatment involves the process of removing contaminants from wastewater, primarily from household sewage, to produce an effluent that is safe enough to release into the environment or to be reused.

Water Pollution

The contamination of water bodies (e.g., lakes, rivers, oceans, aquifers) with pollutants that degrade water quality and ecosystem health.

Investing Activities

Part of the cash flow statement that shows the cash spent on and generated from long-term asset operations and investments.

Long-Term Investments

Investments in stocks, bonds, or other assets that a company intends to hold for more than one fiscal year.