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.
I believe the muscle contracts
A.
(Kinda something that you should know, but hey i won't judge)
I believe the answer is option B. Distance in space is measured using the speed of light. (: