Question

what are the rate and depth for chest compressions on an adult?
a rate of 60 to 80 compressions per minute and a depth of approximately 2.5cm (1 inch)
a rate of 120 to 140 compressions per minute and a depth of approximately 6.4 cm (2.4 inches)
a rate of 100 to 120 compressions per minute and a depth of at least 5 cm (2 inches)
a rate of 80 to 100 compressions per minute and a depth of approximately 4cm (1½ inches)

Explanation:

According to the guidelines for cardiopulmonary resuscitation (CPR), for adult chest compressions, the recommended rate is 100 - 120 compressions per minute and the depth should be at least 5 cm (2 inches).

Answer:

C. A rate of 100 to 120 compressions per minute and a depth of at least 5 cm (2 inches)