Mr. b has been transferred to your floor to wait and see whether the chest tube allows his lungs to completely re-expand. but when he arrives, he is in severe respiratory distress. he says "i felt better before i came into the er! is this tube doing anything

Which of the following claims does the author support the least

In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.

Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. one–way valves in veins c. thin muscular walls of veins