Anurse uses maslow’s hierarchy of needs to plan care for a patient with mental illness. which problem will receive priority?

The problems that will receive priority are the physiological needs such as air, food and water.
Maslow's hierarchy of needs is a theory in psychology which organizes people's needs according to their priorities. It is represented as a pyramid with five steps which include: physiological(at the base), safety, belongingness, esteem and self actualization. 
The physiological needs at the base of the pyramid are the first priorities.

The answer is reflection.