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.
The resulting Ptolemaic system persisted, with minor adjustments, until the Earth was displaced from the centre of the universe in the 16th and 17th centuries by the Copernican system and by Keplerâs laws of planetary motion. 1  The first principle of the Ptolemaic model is eccentric motion.