A nurse is assessing a 42-year-old patient admitted with major depressive disorder who has been participating in daily group therapy and physical exercise activities. The patient reports improved mood and states, "I'm starting to feel like I have more energy throughout the day." Which assessment finding would best indicate that the patient is experiencing the expected benefits of exercise on mental health?
- The patient demonstrates full range of motion in all joints
- The patient demonstrates increased muscle tone in upper extremities
- The patient's blood pressure has decreased by 10 mmHg systolic
- The patient reports improved sleep quality and decreased fatigue