Push up test would me a muscle activity
Answer:An indurated wheal over 10 mm in diameter appears in 48 to 72 hours.
Explanation:Tobacullosis is a very deadly Microbiological infection specifically caused by Mycobacterium tuberculosis,it is very contagious and can easily spread from one patient to another uninfected person.
PPD(purified protein derivative) is a test procedure which involves the use of the skin to test for the presence of Mycobacterium tuberculosis which is the cause of Tuberculosis.
If an indurated wheal over 10 mm in diameter appears in 48 to 72 hours occurs it means a positive test result.
I think letter the answer is letter D
Lung diffusion is your ability to pass oxygen into the blood from the air sacs of the lungs, and pass carbon dioxide (CO2) back into the lungs from the blood.