Joseph Lister discovered in 1867 that antiseptic on wounds helped prevent infection

Which of the following factors helps determine the proportion of primary care personnel to specialists needed for the adequate provision of primary care?

a. How rigidly the health care delivery system employs gatekeeping b. The population's rates of utilization of primary care services c. Both a and b d. Neither a nor b

Which of the follow statements is true as demonstrated on a lateral elbow projection?

a. When the wrist is in a lateral projection, the radial tuberosity is superimposed by the radius. b. The radial tuberosity should be demonstrated in profile posteriorly for optimal positioning. c. When the hand is pronated, the radial tuberosity is seen in profile anteriorly. d. When the hand is supinated, the radial tuberosity is superimposed by the radius.