1) They indicate basic body functioning
2) It is appropriate to begin physical assessment by obtaining this data
3) Provide basis for problem solving
4) Enables identification of nursing diagnoses to implement planned interventions and to evaluate success when vital signs have returned to normal values.
Scientists have assembled the most complete human genome to be mapped with a single technology using a new pocket-size portable DNA sequencer, which they say could one day make genome mapping quick and simple enough to do at home.
Hope this helped.