A 19-year-old man sustains a closed fracture of the right tibial shaft in a football tackle. The leg was grossly angulated at the scene and was straightened before splinting. Four hours later his pain is far worse than expected and is not eased by elevating the limb. The front of the right leg is tense and swollen.
Which one of the following combinations of dorsalis pedis pulse, response to passive plantar flexion of the toes, and sensation in the first web space would you expect in this man's right foot?