If Allura didn't send her message telepathically, Naomi would be concerned that she hadn't heard. And if that turned out to be the case, would've attempted talking to her body directly to see if her astral body would hear better that way.

But that message is clear, and Naomi stands... guard (she really shouldn't be the one standing guard) while Allura has a look.

The doctor snaps her attention when she hears Allura speak, back in her body again. Ah, so, the familiars had discovered someone. Good job on their part, and now the digging out was up to them. Joining in removing the rubble from this survivor, Eve would at least be with them while they dug and taking care of any injuries that might need immediate attention.