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.
Copernicus proposed a heliocentric model of the solar system â a model where everything orbited around the Sun. Today, with advancements in science and technology, the geocentric model seems preposterous.Simple tools, such as the telescope â which helped convince Galileo that the Earth was not the center of the universe â can prove that ancient theory incorrect.opernicus proposed a heliocentric model of the solar system â a model where everything orbited around the Sun. Today, with advancements in science and technology, the geocentric model seems preposterous.