Which of the following statements about x-rays is NOT true?
a. They travel at the speed of light.
b. They are invisible.
c. They have no mass.
d. They travel in convergent lines.
d. X-rays travel in divergent lines.
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Which of the following terms best describes the remaining pressure at the test hydrant when water is flowing?
A. Edge pressure B. Static pressure C. Residual pressure D. Potential pressure
How many chapters are contained in the ICD-10 coding book?
A. 19 B. 21 C. 22 D. 18 E. 20
Which of the following is used to test color vision?
A. Landolt C chart B. Ishihara book C. Jaeger chart D. Snellen chart E. Pelli-Robson chart
Which of the following MOST accurately describes an acute myocardial infarction?
A) Death of the myocardium secondary to spasm of a major coronary artery B) Injury to a portion of the heart muscle secondary to atherosclerotic disease C) Damage to the left ventricle following occlusion of the left coronary artery D) Necrosis of a portion of the myocardium due to a prolonged lack of oxygen