Answer :
The items with a radiopaque strip sewn into them are the Lap sponge and the Ray-Tec. So, the correct options are 1. Lap sponge and 4. Ray-Tec.
The Lap sponge and Ray-Tec are equipped with radiopaque strips, aiding in their visibility under X-ray. This feature assists medical professionals in tracking the items during surgical procedures, ensuring no foreign objects are left behind. Radiopaque strips enhance patient safety and streamline post-operative care by facilitating efficient detection of retained surgical items.
Thus, incorporating these strips into specific surgical sponges and instruments significantly contributes to the overall quality and safety of surgical interventions. So, the correct options are 1. Lap sponge and 4. Ray-Tec.