Informed consent-1

A person may still meet the legal standard for competence to accept or refuse medical treatment even if he is mentally ill or retarded or is incompetent in other areas of life

Explanation:
The patient herself can give consent for the procedure after the physician determines she understands the procedure and the risks associated with it. Although this woman has a diagnosis of paranoid schizophrenia, there is no indication that her decision-making ability is impaired. If, however, there were evidence indicating she was not competent to make logical decisions, then consent would need to be obtained from a surrogate decision-maker.
(Choices A and B) If the patient were unable to make decisions for herself, then her husband or one of her parents would likely be chosen as her surrogate. In this case, however, there is no evidence the patient is incompetent.
(Choice C) If a patient is thought incompetent and no surrogate decision maker can be located, then the physician is expected to act in the best interests of he patient until a surrogate becomes available. The court should not be consulted in an emergent situation when a delay could prove detrimental to the patient. Rather, the physician is granted the legal authority to proceed with necessary treatment.
(Choice E) Consent is always desirable, even if a patient is deemed incompetent. Instead, a surrogate decision-maker should be available to provide consent. In emergent cases, physicians should always proceed with necessary medical treatment under the principle of "assumed consent."
Educational Objective:
Patients with psychiatric diagnoses can give informed consent as long as their judgment and decision-making abilities are determined to be intact.

in case we needed to perform the principle of ( next of kin )
/ i.e. the patient is incompetent/

....who is going to be the surregate ?

The husband or the mother ?

I think her husband is enough.