The nurse reports that Jemima seems quite normal although she reports to be very thirsty. Why is she thirsty but not so dehydrated? Why is her Blood

The nurse reports that Jemima seems quite normal although she reports to be very thirsty. Why is she thirsty but not so dehydrated? Why is her Blood Pressure slightly elevated? 5 Marks
Extra information – female 20-29 years old , stranded in the outback for 20 hours until help arrives , only thing she has is a small bag of salt and vinegar chips
Urine Test
Na+ = 140
K+ = 4
CI- = 100
Glucose = 79
osmolarity = 290
eGFR= 125
Blood Measurements
pH = 6
specific gravity = 1.01
blood pressure = 125/85
heart rate (BPM)= 85