One foundational skill that a nursing assistant must have is the ability to A- write clearly and correctly fill out a complex chart
B- understand a complex spreadsheet and calculate costs
C- recognize chemical formulas and formulate pills
D- explain which treatments are covered by insurance

A

Explanation:

The nursing assistant would need to be able to write clearly and correctly fill out a complex chart. The importance would be that  Nurses and doctors must be able to see what the patient has been doing in regards to the patients treatment, observations and response to care. Examples would be the patients intake and output for a shift, the patients appetite, mobility and response to treatments observed.

answer: i would say the brain but it seem that you have a brain.