Question

which number of colony - forming units (cfu) is the threshold to diagnose an infection in most laboratories?
1,000,000
10
100,000
100

Explanation:

In most laboratories, a count of 100,000 colony - forming units (CFU) is often considered the threshold to diagnose an infection. This value is based on standard microbiological diagnostic practices and research on the levels of microbial growth associated with active infections.

Answer:

C. 100,000