Fluid volume deficit.. The client arrives in the emergency department after a motor vehicle accident. Nursing assessment findings include BP 80/34, pulse rate 120, and respirations 20

The client arrives in the emergency department after a motor vehicle accident.

Nursing assessment findings include BP 80/34, pulse rate 120, and respirations 20.
Which is the client’s most appropriate priority nursing diagnosis?

A. Alteration in cerebral tissue perfusion

B. Fluid volume deficit***

C. Ineffective airway clearance

D. Alteration in sensory perception.