Which of the following is NOT a concern about imposing physical restraint on a patient with mental health problems? 
a. Patients who are physically restrained are less likely to seek mental health treatment 
b. Physical restraint may be used as a punishment against "trouble-makers" 
c. It stigmatizes patients who need it 
d. No guidelines exist for when to use physical restraint, who should use it, or what qualifications are needed.