A bounced check is a slang for a check that cannot be processed
I believe the answer is vitamins. What were the choices anyways
You would feel muscle weakness and fatigue(tiredness, reduced power) . When muscle cells dont get enough oxygen rich blood to working muscles they get a burning soreness from the buildup of lactic acid produced by glycolosis
Given the attitude of the grandfather portrayed in the problem, the most likely answer is
B) Go to the doctor regularly because he can monitor his health before problems get severe.
This would be because you are reminded, "prevention is the best medicine", and the answer B provides the precaution that is recommended.
