Part a - efferent signals which of the following best describes the direction and function of efferent signals? choose the best answer. view available hint(s) which of the following best describes the direction and function of efferent signals? choose the best answer. toward the central nervous system, in order to deliver sensory information from all parts of the body away from the central nervous system, cause motor effects in glands or muscles away from the central nervous system, to provide sensation to all parts of the body toward the central nervous system, in order to cause the movement of glands and muscles