Isabel: (to Cheryl) You know what? Two months ago, I was pregnant and living outside out of a shopping cart. But now I'm workin', with my colleagues. So if you need to kick me in the teeth so you can feel good about yourself, be my guest. But your patient needs an arterial blood gas test and I'm not the one holding up the show. (Cheryl enters her patient's room.) Show some more hustle this time.