<span>Taking
a nutritional supplement during times of stress:
A. has been
scientifically proven to aid in stress management. </span>
In research when a significant result is found that means it has been shown through statistical tests that one variable has had an effect on another. If it is a low effect size though it means that the effect is not large enough to prove a hypothesis.
Answer:
A carotid bruit is a vascular sound usually heard with a stethoscope over the carotid artery because of turbulent, non-laminar blood flow through a stenotic area.
