A medical assistant who readily admits to a mistake displays what quality?

The percentile rank is defined as ___________.

A. lower than the given score B. the percentile for a specific score C. the score that one has to attain to reach a specific percentile D. higher than the given score

Cytokines known as ________ assist in regulation of the immune response by increasing B cell production and stimulating red bone marrow to produce more white blood cells.

Fill in the blank(s) with the appropriate word(s).