Test Bank Complete_ Introduction to Radiologic & Imaging Sciences & Patient Care 8th Edition, By Arlene M. Adler, Richard R. Carlton & Kori L. Stewart| All Chapters 1-26| 4 Units| Latest With Answers And Detailed Explanation| Graded A+

,MULTIPLE CHOICE n




1. The use of x-rays to create a medical image on patients is referred to as
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a. electrocardiography.
b. radiography.
c. sonography.
d. magnetic resonance imaging. n n




ANS: B nn


Radiography is the making of records of internal structures of the body by passage of x-
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rays or gamma rays through the body. These records or images are typically referred to as radio
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graphs.

REF: p. 4 n




2. Particular care must be taken when using radiation for medical imaging. This is the result of ra
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diation’s ability to create n in human tissue and possible biochemical changes.
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a. ionizations
b. radio waves n


c. sound waves n


d. thermal changes n




ANS: A nn


Some forms of electromagnetic energy, including x-
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rays, have the ability to ionize atoms in matter. These ionizations have the ability to disrupt the
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composition of matter and are capable of disrupting life processes. Special protection should b
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e provided to prevent excessive exposure to ionizing radiation.
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REF: p. 3 n




3. In the diagnosis of patient disease states, physicians can select from an array of medical diagn
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ostic modalities. A few of these involve the use of ionizing energy to create a medical image. If
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na physician is concerned about the use of ionizing radiation, he or she may choose to order any
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of the following diagnostic modalities EXCEPT
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a. thermograms.
b. medical sonography. n


c. radiography.
d. magnetic resonance imaging. n n




ANS: C nn


Radiography involves the use of x- n n n n n


rays for the production of medical images. Medical procedures such as thermograms, sonogra
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ms, and magnetic resonance scans use nonionizing energy forms and consequently do not prod
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uce ionizations in human tissue. They are regarded as nonionizing modalities for imaging and o
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ffer excellent alternatives to physicians concerned about radiation exposure to patients.
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, REF: pp. 3-4 n n n




4. The Greek physician Hippocrates is regarded as the father of Western medicine. All of the fol
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lowing choices represent his medical beliefs EXCEPT the
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a. use of high ethical standards of conduct.
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b. important medical value of sorcery and witchcraft. n n n n n n


c. importance of closely monitoring a patient’s condition and recovery. n n n n n n n n


d. value of diet and exercise and allowing nature to take its course in recovery.
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ANS: B nn


The Hippocratic Corpus is writings that they emphasize rational and natural explanations for th
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e treatment of disease and reject sorcery and magic. The Hippocratic oath still governs the ethic
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al conduct of physicians today.
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REF: p. 5 n




5. Throughout the history of medicine, remarkable achievements have been recorded. These e
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vents have led to our current understanding of the human organism and disease. As this rese
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arch continues, much of it will most likely focus on
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a. proper sanitation and public health. n n n n


b. immunology and the development of vaccines. n n n n n


c. germ theory and infection. n n n


d. human genes and genetic engineering. n n n n




ANS: D nn


Although the Human Genome Project is finished, analyses of the data will continue for many y
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ears. The replacement of faulty genes through gene therapy offers promises of cures for a variet
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y of hereditary diseases, and through genetic engineering, important pharmaceuticals continue
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to be developed. Medical research will continue to focus on the genetic code in all cells.
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REF: p. 6 n




6. Wilhelm C. Roentgen’s discovery of “the x- n n n n n n


ray” is regarded as one of medicine’s most significant achievements. Although his discovery
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was accidental, his early research was so thorough that no significant findings have been adde
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d to his original theories. This in itself is a true tribute to the brilliance of Roentgen as a scienti
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st. One of the most famous early images he created was an x-ray image of his
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a. colon.
b. laboratory assistant’s foot. n n


c. wife’s hand. n


d. kidneys.
ANS: C nn


November 8, 1895, is believed by historians to be the day that Roentgen created the famous ima
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ge of the hand of his wife. Through his investigative methods, Roentgen identified the properti
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es of x-rays.
n n




REF: p. 6 n

, 7. A valuable x-ray procedure used to diagnose a myocardial infarction is
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a. mammography.
b. myelography.
c. arthrography.
d. coronary arteriography. n




ANS: D nn


Coronary arteriography is an extremely valuable tool in diagnosing atherosclerosis, which can
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block the coronary arteries and cause a heart attack (myocardial infarction). By way of a special
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catheter with a balloon tip, effective treatment of atherosclerosis is possible. This treatment of
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a blocked blood vessel is termed angioplasty. Angioplasty is used to treat patients without havi
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ng to use invasive open-heart surgery.
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REF: p. 8 n




8. All of the following are true of the diagnostic procedure of mammography EXCEPT
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a. it is very valuable for the detection of early breast cancers.
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b. the procedures may be performed using a general radiographic machine.
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c. radiographers need to be specially trained in order to perform mammography. n n n n n n n n n n


d. radiographers must be certified by the ARRT to qualify for the mammography e n n n n n n n n n n n n


xamination.
ANS: B nn


Special breast imaging centers have been built to accommodate the demand for mammography
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procedures. Equipment and supplies, such as a specially designed x-ray tube and high-
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resolution digital imaging detectors, are used to create high-
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quality breast images. Mammography cannot be performed using general x-ray equipment.
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REF: p. 8 n




9. To study the blood vessels of the brain, kidneys, liver, and other organs, contrast material is ad
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ministered into these vessels by using n n n n n


a. catheters.
b. stents.
c. balloons.
d. none of the above. n n n




ANS: A nn


Angiography is the term for radiologic examination of the blood vessels after injection of a co
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ntrast medium. Most often, the contrast material is injected through a catheter, which can be di
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rected to a variety of major arteries or veins for visualization of these structures.
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REF: p. 8 n




10. Radiologic science continues to be one of the most exciting professions in medicine. An im
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aging modality that uses no ionizing radiation and the energy of radio waves and magnetic
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fields is
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a. nuclear imaging. n


b. thermography.
c. CVIT.