Ohmmeters work by passing a small current through the component and measuring the voltage produced. If you try this with the component connected into a circuit with a power supply, the most likely result is that the meter will be damaged. Most multimeters have a fuse to help protect against misuse.
Lice itself is a Plural form and the the Singular of it is Louse. Louse ( Insect ) Louse is the common name for members of the order Phthiraptera, which contains nearly 5,000 species of wingless insect. : Wikipedia.
A common misconception with this is that nits and lice are the same thing. In fact this is not the case, the truth is: Lice are the tiny grey or brown insects that are found in the hair. The lice are about the size of a small seed (i.e. Sesame seed) and cling to the hair staying close to the scalp which they live off.