The Certified Wound Care Nurse exam is offered quarterly at various testing centers across the United States. The fee to take the exam is $300 with discounts applied if more than one WOCNCB certification exam is taken at a time.
The Ptolemaic model of the solar system held sway into the early modern age; from the late 16th century onward it was gradually replaced as the consensus description by the heliocentric model. Geocentrism as a separate religious belief, however, never completely died out.
This theory was first proposed by Nicolaus Copernicus. Copernicus was a Polish astronomer. He first published the heliocentric system in his book: De revolutionibus orbium coelestium, On the revolutions of the heavenly bodies, which appeared in 1543. Copernicus died the same year his book was published.