When Sam and Jack are on either side of the force field, Sam yells "Sir, there's no time!". At this point she has tear stains down her cheeks. In the next shot, as she looks at the colonel, her cheeks are dry.
When Jack and Sam are being retested for being a za'tarc, The "eyepiece" of the za'tarc detector flips from being extended when viewing the person being tested to being retracted when viewing Anise.