In the clinical laboratory, testing to identify specific porphyrins is performed using Group of answer choices Fluorometric emission scanning Chemical derivatization and spectrophotometry Liquid chromatography with fluorescent detection Thin layer chromatography

Ans. : frostbite is when exposure to cold temperatures causes freezing to the skin or other tissues. it most commonly affects the hands, feet, and face. the longer areas are exposed to cold, typically the worse the frostbite. the water temperature used for rewarming a frostbitten part should be : (102 -105) f degrees.