Answer:
b. implied consent.
Step-by-step explanation:
Implicit consent appears in some branches of law to refer to an authorization that is not directly granted, although authorization can be inferred through the actions of a person or the circumstances surrounding a particular situation. For example, if you answer a survey and do not request confidentiality, you are implicitly authorizing the use of that information. This is the case narrated, the nursing students answered a survey about health care. It was implied to the researcher that he could use the information provided spontaneously.