My best guess would be C. Assessing a patient's level of compliance with past medical advice. You want to know if they have followed medical advice prior because if they haven't, you would just be wasting your breath.
Tracing a hidden gene through a family tree. A pedigree ... Figure 2: In fruit flies, two possible body color phenotypes are brown and black.
I WANT POINTS
It could be muscular endurance, agility, or coordination. But I'm thinking muscular endurance.
Rowing helps develop muscle endurance. Hope this helps