Multiple Choice
Identify the choice that best completes the statement or answers the question.
____ 1. The use of x-rays to create a medical image on patients is referred to as
a. electrocardiography.
b. radiography.
c. sonography.
d. magnetic resonance imaging.
____ 2. Particular care must be taken when using radiation for medical imaging. This is the result of
radiation’s ability to create __________ in human tissue and possible biochemical changes.
a. ionizations
b. radio waves
c. sound waves
d. thermal changes
____ 3. In the diagnosis of patient disease states, physicians can select from an array of medical diagnostic
modalities. A few of these involve the use of ionizing energy to create a medical image. If a
physician is concerned about the use of ionizing radiation, he or she may choose to order any of
the following diagnostic modalities EXCEPT
a. thermograms.
b. medical sonography.
c. radiography.
d. magnetic resonance imaging.
____ 4. The Greek physician Hippocrates is regarded as the father of Western medicine. All of the
following choices represent his medical beliefs EXCEPT the
a. use of high ethical standards of conduct.
b. important medical value of sorcery and witchcraft.
c. importance of closely monitoring a patient’s condition and recovery.
d. value of diet and exercise and allowing nature to take its course in recovery.
____ 5. Throughout the history of medicine, remarkable achievements have been recorded. These events
have led to our current understanding of the human organism and disease. As this research
continues, much of it will most likely focus on
a. proper sanitation and public health.
b. immunology and the development of vaccines.
c. germ theory and infection.
d. human genes and genetic engineering.
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, ____ 6. Wilhelm C. Roentgen’s discovery of “the x-ray” is regarded as one of medicine’s most significant
achievements. Although his discovery was accidental, his early research was so thorough that no
significant findings have been added to his original theories. This in itself is a true tribute to the
brilliance of Roentgen as a scientist. One of the most famous early images he created was an x-ray
image of his
a. colon.
b. laboratory assistant’s foot.
c. wife’s hand.
d. kidneys.
____ 7. A valuable x-ray procedure used to diagnose a myocardial infarction is
a. mammography.
b. myelography.
c. arthrography.
d. coronary arteriography.
____ 8. All of the following are true of the diagnostic procedure of mammography EXCEPT
a. it is very valuable for the detection of early breast cancers.
b. the procedures may be performed using a general radiographic machine.
c. radiographers need to be specially trained in order to perform mammography.
d. radiographers must be certified by the ARRT to qualify for the mammography
examination.
____ 9. To study the blood vessels of the brain, kidneys, liver, and other organs, contrast material is
administered into these vessels by using
a. catheters.
b. stents.
c. balloons.
d. none of the above.
____ 10. Radiologic science continues to be one of the most exciting professions in medicine. An imaging
modality that uses no ionizing radiation and the energy of radio waves and magnetic fields is
a. nuclear imaging.
b. thermography.
c. CVIT.
d. MRI.
____ 11. A physician who specializes in the interpretation of medical images is known as a
a. radiographer.
b. radiologist.
c. radiologic technologist.
d. radiologist assistant.
____ 12. A class of health care workers who specialize in carrying out treatments designed to improve a
patient’s health condition and quality of life and who likely possess a 2- or 4-year degree are
known as
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