Final answer:
The nurse is utilizing a predesigned combination of colors, font style, size, and position of place keepers in their slide presentation using PowerPoint.
Step-by-step explanation:
The nurse is utilizing a predesigned combination of colors, font style, size, and position of place keepers. This indicates that the nurse is using a template or a pre-made design in a software like PowerPoint to create their slide presentation. The pre-designed combination helps to maintain consistency and visual appeal throughout the presentation.