X-rays, like light and radio waves, are a form of ________ radiation.
Fill in the blank(s) with the appropriate word(s).
electromagnetic
X-rays were first discovered in 1895 by Wilhelm Conrad Röntgen. X-rays, like light and radio waves, are a form of electromagnetic radiation. Electromagnetic means pertaining to energy propagated through matter and space. The term deconstructs into the suffix -ic meaning pertaining to, root/combining form electr/o- meaning electricity, and root -magnet- meaning magnet.
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________ involves taking X-rays to trace the action of the kidney as it expels a dye injected into the bloodstream.
A) Cystography B) Retrograde pyelogram C) Excretory urography D) Renography
Which of the following statements about older Americans is FALSE?
A. Health care is the largest expense for older adults. B. Most older Americans do not have any chronic diseases. C. About 9 percent of elderly people live below the poverty line. D. The number of older people who are ill or dependent will rise as the older population increases.
Which of the following best exemplifies environmental mindfulness?
A) Purchasing a hybrid electric vehicle B) Choosing a veggie burger instead of a beef burger C) Envisioning oneself as being part of, not separate from, Earth D) Volunteering to participate in a campus clean-up day
Ideal cardiovascular health is defined as the absence of atherosclerosis
Indicate whether the statement is true or false