Are the following sentences punctuated correctly?
The lung exam showed no rales, rhonchi or wheezes.
She has a history of cough, not productive, that keeps her awake at night.
The patient is a well-developed, well-nourished, badly sunburned cantankerous white male.
#'s 1 and 2 are correct.
#3 needs a comma after every adjective except the last one.