Hypersensitivity pneumonitis involves inhalation of an antigen. This leads to an exaggerated immune response (hypersensitivity). Type III hypersensitivity and type IV hypersensitivity can both occur depending on the cause. Diagnosis. The diagnosis is based upon a history of symptoms after exposure to the allergen and clinical tests.
Whitewater definition, of or moving over or through rapids: whitewater rafting down the Colorado River. See more.
Saltwater vs. salt water. The one-word saltwater is an adjective that describes salty bodies of water, the water of such bodies, and the life that lives in such bodies. The two-word salt water is correct in all other uses. Itâs a noun phrase, with the adjective salt modifying the noun water. Similar distinctions apply to freshwater and fresh water.