A 73-year-old patient with hypertension is awaiting a triple cardiac bypass surgery.The patient is hard of hearing and did not understand what the surgeon said regarding the surgery.The daughter is concerned that the patient does not understand the risks of the surgery.If not clarified,this would be a violation of what principle?

A) Autonomy
B) Justice
C) Fidelity
D) Nonmaleficence

What does a positive content validity ratio indicate?

A) The item is not essential to the construct being measured
B) The item is essential to the construct being measured
C) The item is neutral to the construct being measured
D) There are no relationships between the items being measured