The manufacturer of First Alert, the leading brand of carbon monoxide detectors, recommends the following if the alarm goes off: 1  Turn off appliances, or other sources of combustion at once. 2  Immediately get fresh air into the premises by opening doors and windows.
The cause of lice (known medically as pediculosis) is an infestation with one of three types of a parasitic insect. The three kinds of lice that affect humans include: 1  Pediculus humanus capitis (head lice). 2  Pediculus humanus corporis (body lice). 3  Phthirus pubis (pubic lice or crab lice; also called crabs).he three kinds of lice that affect humans include: 1  Pediculus humanus capitis (head lice). 2  Pediculus humanus corporis (body lice). 3  Phthirus pubis (pubic lice or crab lice; also called crabs).
Etiology. 1  Lice (phylum: Arthropoda, class: Insecta ) are of two orders, the mallophaga which are of a species that bite or chew, and the order of Anoplura (family Pediculidae) which are a species that suckle blood. The order of Anoplura which infest domestic animals is what is most often seen in rats. Polyplax spinulosa (spined rat louse) is a type of lice that causes hair loss and pruritus (itching). It can sometimes be detected by the silvery colored nits attached to the hair.