Bill wants to display a positive attitude. he should a. treat his coworkers rudely b. listen to his boss’ constructive criticism c. avoid talking to customers d. ask if he can go home early

Which of the following defines scoliosis? a. a posture disorder characterized by the shoulders being rounded and the back hunched b. a posture disorder in which the spine curves up the back like a snake c. a posture disorder characterized by excessive curvature or arch in the lower back d. none of the above

Active immunity refers to: a. the defenses people are born with. b. temporary immunity granted from another source. c. immunity gained through immunization and exposure to diseases. d. natural immunities that protect humans from other animal diseases

If human development really does proceed continuously, what value does stage theories of development have?