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An x-ray image of the ankle was created at 40-inch SID, using 200 mA with 50 ms, 70 kV, 0.6-mm focal spot, and a 1″ OID. Which of the following modifications would result in the greatest increase in magnification?

Which of the following positions for a Lower GI exam requires the CR to enter 1-2″ lateral to midline on the left side at the level of the iliac crests?

Which bone is demonstrated within the circle? Reg. Review Final 1 # 132.png

The tube angulation used with a Towne projection results in which of the following forms of distortion?

The image below has low spatial resolution as a result of a:  Reg. Review Final 1 # 185.png

A technologist standing 6 feet away from the portable x-ray unit receives an exposure rate of 4 µGy/hour. What will the exposure rate be if the technologists moves to 3 feet and is exposed for 5 minutes?

If an exposure dose of 1.5 mGy/h is delivered from a distance of 3 feet, what would be the dose delivered after 20 minutes at a distance of 5 feet from the source?

Which position was used to produce this image of the stomach? Reg. Review Final 1 # 105.png

Based on the reaction above, is the decomposition of peroxide exothermic, endothermic, or neither?

a) Use the given values to calculate the ΔHorxn for the equation shown above. b) based on your answer for “a”, is the reaction exothermic, endothermic, or neither.  Write your answer for “b” in the blank.  Show your work for “a” on scratch paper and upload it to Quiz 5 in Assignments.