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.
Head lice have three forms: egg (nit), nymph, and adult. - Nits: They're oval-shaped and about the size of a knot in thread. They're difficult to see, but you can feel them if you run a fingernail down the hair shaft from the scalp. Nits can be light gray, tan, yellowish, or white.