Answer:
B. Dr. O'Malley is obtaining informed consent from his participants. Dr. Quick is debriefing her participants.
Explanation:
Based on the information provided within the question it can be said that in this scenario Dr. O'Malley is obtaining informed consent from his participants. Dr. Quick is debriefing her participants. That is because by telling the participants that the experiment is voluntary and that they can stop at any time, then by continuing to partake in the experiment the participants are providing informed consent. Dr. Quick on the other hand is talking to the participants about the experiment that they have just undergone and what happened, thus debriefing them.
The answer is Social Gerontoloogy
Which key nutrient has been known to reduce the risk for heart disease for all adults over the age of 51?
d. vitamin b12
I believe it is the connective tissues