neutropenia is the lack of white blood cells.
Answer: I would say A is the answer.
Explanation: getting excited when hearing a ring similar to that of winning a casino game would not constitute excitement as there is no direct influence or envolvment with the individual experiencing this excitment to the ringing. the individual is simply hearing this noise and responding with excitment with no direct reasoning behind it, as apposed to all the other scenarios where there is direct influence to constutute a direct resonse.
hope i could help and have a great day.
Numerous people.... Diabetics who are experiencing nerve degeneration of the extremities (something called Diabetic Neuropathy). Another group would be the elderly, who do loose sensation as age progresses. And lastly those with some sort of paralysis or peripheral nerve damage.