The practical nurse is caring for a client who returns to the room after a bronchoscope with a local anesthetic what action should the on take prior to giving the client a lunch tray

What makes the yardstick test a direct measurement of reaction time? a. the further the yardstick falls, the slower the reaction time. b. yardsticks have numerical markings for length. c. yardsticks are designed to measure reaction time. d. all of the above select the best answer from the choices provided.