Mrs. jones keeps mixing her blue and green medications, which can have very serious effects on her health. the most likely cause of her difficulty with blues and greens is likely due to

Yellowing of the lens

Explanation:

The most likely reason for the difficulty that Mrs. Jones experiences with her medication is that her lens have become yellowish. The lens of the eye gradually yellow with age, and this can affect color perception. In particular, this can make it difficult for people to be able to distinguish between shades of blue, green and violet, such as the ones present in the medications.

/the trachea, commonly known as the windpipe

answer; a muscle cell, another neuron and a of the above