Chains, Ropes, and Slings Test I Source: Questions and answers from the National Safety Council Progress Indicator: Question 6 of 20 6.  Which is NOT correct when responding to an incident involving an explosive or IED? p. 338 Choices: Wait until another responder has handled the device before you do Always proceed with caution Limit the risk of exposure of personnel until the risk of secondary devices is eliminated Request bomb squads, hazmat teams and other specialized personnel as needed