What is an ethics committee? What is their purpose and who usually sits on an ethics committee?

What might be the consequences if a physician ignores the fact that the patient cannot give consent due to a language barrier and no emergency exists?

What is an ethics committee? What is their purpose and who usually sits on an ethics committee?

How honest does the physician have to be when discussing informed consent? Are there exceptions to informed consent?

There is another type of consent which is different from informed or, what is also called, expressed consent. What is the other type of consent we find in healthcare?