When do expressive and receptive language development begin?

192) if you are a pta, which of the following are standards from the “standards of ethical conduct for the physical therapist assistant? ” a. physical therapist assistants shall be trustworthy and compassionate in addressing the rights and needs of patients/clients. b. physical therapist assistants shall make sound decisions in collaboration with the physical therapist and within the boundaries established by laws and regulations. c. physical therapist assistants shall demonstrate integrity in their relationships with patients/clients, families, colleagues, students, other health care providers, employers, payers, and the public d. physical therapist assistants shall enhance their competence through the lifelong acquisition and refinement of knowledge, skills, and abilities.

Which of these is a feature of audible pedestrian crosswalk signals? o a. pedestrian tracking o b. emergency instructions o c. button location signaling od. responses to voice commands

So i have a lot of answers answered but it says i still need to answer more questions. why is it doing that? how many questions need to be answered?