after receiving change shift report, which client should the RPN assess first?

a. a 56 year old with normal saline infusing at 150 ml/h whose hourly urine output averaging 30 mL
b. a 26 year old with nausea and vomiting complains of dizziness when standing
c. a 36 year old with an NG tube who has dry oral mucosa and is complaining of thirst
d. a 46 year old receiving IV diuretics who's blood pressure is 85/50