The nurse looks really delicious, but to eat her, you are going to have to make room in your belly. So you grab the potion and chug it. As potions go, it doesn't taste too bad. And it works quite well. Your stomach shrinks at a visible rate.

Now to put somebody else in it. The nurse is looking at a clipboard of forms and saying "Now I want you to file these o.." And so you jump her before she can look up.

Before you thought she could look up. Even as you are in mid launch, the nurse suddenly opens her mouth far wider than you thought was possible and you can't stop yourself from falling into that chasm. Technically, only your head goes in, but she slurps down the rest of you in barely an instant.

As you sit helpless in her belly, you hear "You newbies. Just because you have been eating anybody you wanted among humans, you somehow think you can do the same among vores, vores who have been training and practicing for years yet. You don't stand a chance, and you had better learn you are among your betters or you will have a very rough time around here.
"Now then, to get out of me, you are going to have to answer the questions on these forms. So question 1. Your name ...?"