Which patient would the nurse identify as experiencing a critical illness? The patient:

Which patient would the nurse identify as experiencing a critical illness? The patient:

1. With chronic airflow limitation whose VS are BP 110/72, P 110, R 16
2. With acute bronchospasm and whose VS are BP 100/60, P 124, R 32
3. Who was involved in a motor vehicle crash whose VS are BP 124/74, P 74, R 18
4. On hemodialysis for chronic renal failure with no urine output and whose VS are BP 98/50, P 108, R 12