Question

1. how deep should chest compressions be during hands only cpr?

a. at least 1.8 inches

b. at least 2 inches

c. at least 1 inch

d. at least 1.5 inches

Explanation:

In hands - only CPR, the recommended depth for chest compressions (for adults) is at least 2 inches (or approximately 5 centimeters). This is a standard guideline in medical and health - related CPR training. Option a (1.8 inches) is close but not the standard, option c (1 inch) is too shallow, and option d (1.5 inches) is also shallower than the recommended depth.

Answer:

b. At least 2 inches