Chapter 22 Definitions Flashcards
relative humidity
the ratio between the amount of water vapor in the air and the actual amount of water the air could potentially hold based on the current temperature
ambient
pertaining to the local environment
adenosine triphosphate (ATP)
an energy-yielding enzyme used during muscular contractions`
sickle cell trait
carrying one sickle gene, associated with sickle cell anemia
hypertonic (hypertonicity)
having an increased osmotic pressure relative to the body’s other fluids
osmolality
a substance’s concentration in a fluid affecting its tendency to cross a membrane (osmosis)
ringer’s lactate
a salt-based solution administered intravenously as a replacement for lost electrolytes
hyperemia
a red discoloration of the skin caused by an increased capillary blood flow
slough
the peeling away of dead skin from livign tissue
gangrene
the death of bony or soft tissue resulting from a decrease in, or loss of, blood supply to a body area