Which type of photoelectric smoke detector focuses a beam of light across the monitored area into a cell, and initiates an alarm when the beam is obscured?

The physician documents a review of the psychiatric, musculoskeletal, gastrointestinal, constitutional systems with documentation of "All other review of systems negative in detail." What review of systems level does this support?

a. None (N/A) b. Pertinent c. Extended d. Complete

Terry Stanford has lost 15 pounds in the last two months. Her initial weight was 118. She comes to Dr. Smith today because her mother states that she has not been eating. Dr. Smith has seen Terry in the past for depression, and after today's encounter he concludes that she is experiencing an eating disorder due to anorexia nervosa. Select the appropriate code(s)

307.1 Anorexia nervosa 307.50 Eating disorder, unspecified 311 Depression 783.0 Loss of appetite 783.21 Weight loss A) 307.1, 783.21 B) 307.1 C) 307.1, 307.50 D) 783.0, 307.1, 311