A nurse is caring for a group of uninsured clients in the emergency department of a private hospital. Which of the following actions should the nurse identify as a violation of a client's rights according to the Emergency Medical Treatment and Active Labor Act (EMTALA)?

A client was referred to the county hospital for medical screening evaluation.

A client was transferred to the inpatient antepartum unit to rule out preterm labor.

A stable client was transferred to a public hospital that provides reduced-cost care.

A client was placed in the waiting room based on their triage assessment.