Final answer:
The active phase is the phase of labor in which the patient is dilated 4-7 cm. During this stage, the cervix continues to dilate and the contractions become stronger and more frequent.
Step-by-step explanation:
The phase of labor in which the patient is dilated 4-7 cm is the active phase. During this stage, the cervix continues to dilate and the contractions become stronger and more frequent. The active phase is the second stage of labor, following the latent phase.