Which option correctly describes the depth and rate for chest compressions in an adult?

• A. Compress the chest to a depth of at least 2 inches and rate 100-120 per minute.
• B. Compress the chest at a depth of 1/2 inch and rate 100-120.
• C. Compress the chest at a depth of 2 inches and rate 100-120.
• D. Compress the chest at a depth of 2 inches and rate 140-180.

Answer: (C)