Which of the following best explains why the Portuguese dominated the Indian Ocean sea-lanes in the early sixteenth century?  

  Why was it necessary to continue to import large numbers of African slaves to replenish labor on sugar plantations?  

  Which of the following was a consequence of European states’ extraction of wealth from colonies?  

  Which of the following was a major long-term consequence of Columbus’s voyages?  

  Which of the following was a way in which the spread of Protestant beliefs contributed to protracted warfare in Europe between the late sixteenth and early seventeenth centuries?  

The nurse is contributing to an education program for older adults who are preparing for joint replacement surgery.  Which of the following interventions should the nurse use to enhance older patient learning?  (Select all that apply)

What is the main factor(s) in the determination of late effects? I. fraction size II. energy III. protraction IV. dose rate

A patient is receiving radiation therapy with chemotherapy starting a few weeks after radiation is completed. What is this considered?

Which of the four R’s has the most significant impact on tumors when utilizing photons for radiation treatments?

What is the V20 of the lung describe? A. 20% of the lung can receive the maximum dose as prescribed B. 20% of the lung should receive a minimum dose of 20 Gy C. 20% of the lung is unaffected by radiation D. The maximum percentage of lung volume receiving 20 Gy