Declan is a nursing assistant who notices that the sharps container is completely full and starting to overflow. He properly disposes of the full container and replaces it with an empty container. This would prevent other nursing assistants from blood contamination through: direct contact with blood
blood transfusions
needle-stick injuries
contact with other bodily fluids

needle-stick injuries

Explanation:

If Declan is dealing with  sharps container, there is a likely chance someone could have gotten stabbed with the needle. Thus he would be preventing other nursing assistants from blood contamination through

answer///cannot be totally predicted;

lifetime activities are certain actions that are either required throughout your life or you choose to do them. for example, eating is considered a lifetime activity, drinking water or other beverages, keeping your body clean, taking medicine. those types of actions are considered lifetime activities.