<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 21-year-old U.S. born first year medical student with no prior hospital or healthcare work presents to the physician for a routine physical exam. The patient is HIV negative, denies drug use, and denies sick contacts. The physician places a purified protein tuberculin test in the patients right forearm intradermally. What is the proper time to read the test and induration diameter that would indicate a positive test result?? A: 24 hours and 18mm diameter, B: 36 hours and 7mm diameter, C: 48 hours and 11mm diameter, D: 72 hours and 16mm diameter, E: 96 hours and 14mm diameter,  <response>: This is a question about interpreting the results of a purified protein derivative PPD tuberculin skin test. The key points are:- The patient is a healthy 21-year-old medical student with no risk factors for TB exposure.- A PPD test was placed intradermally. - I need to identify the proper reading time and induration cut-off to indicate a positive test.D: 72 hours and 16mm diameter 