Need help with medical & Ethics

Good samaritan laws are enacted to
A) compel persons with health care training to assist in emergrncies
B) Encourage persons with health care traning to assist in emergencies
C) Guarantee that a trained person who helps in an emergency can'y be sued
D) Enable more people to receive emergency room training
I THINK IT'S C

12) ____ requires that a physician inform a patient about a procedure, its cansequences, & alternatives
A) Privileged communication C) Insurance
B) Informed consent D) Statute of limitations
I THINK IT'S B

15) The term ethics has evolved to include standards of good & bad as well as questions of _____ & obligation
A) voluntary action C) moral duty
B) sin D) absolution

16) for a patient's employer to see the patient's chart, the employer must obtain
A) the services of a private investigator
B) verbal permission from the patient's physician
C) a signed release from the patient
D) written permission from the patient's union representative
I THINK IT'S C

My guesses would be
C-although it doesn't just apply to trained persons,it also includes anyone that acts in good faith. The question is a little misleading.
B
C
C