1 Charge costs to cost objects. 2  Use an activity driver to allocate the contents of each primary cost pool to cost objects. 3  There will be a separate activity driver for each cost pool.
1 People who have a positive TB skin test with a normal chest X-ray are NOT contagious, but may need medicine to prevent them from ever getting active TB. 2  Children under the age of 12 with active TB are rarely contagious, and do not need to be kept out of school.ow often does a TB test have to be repeated? If you have a negative skin test, you need a repeat test at least every four years. If you have a documented positive skin test, you must have an initial chest X-ray. After that, you still need to be screened every four years.
The TB blood test can be done instead of a TB skin test (Mantoux). You should have a TB blood (or TB skin test) if you: 1  have HIV infection or your immune system is not very strong.  Children less than 5 years old should have the TB skin test instead of the TB blood test. Ask your health care provider. They will draw a small amount of blood and send it to a laboratory. Your health care provider should tell you if your test result is ânegativeâ or âpositiveâ in a few days.