What is long-scale contrast?
What will be an ideal response?
Long-scale contrast describes a radiograph in which density differences between adjacent structures are small. Long-scale contrast is low and very gradual because there are many shades of gray. Long-scale contrast radiographs result when a high kVp is used.
Health Professions
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What is the primary tool used to diagnose a pneumothorax?
a. Chest radiography b. Computed tomography c. PET scan d. scanning
Health Professions
The nuclear medicine acquisition matrix
a. uses smaller matrices for high count studies such as with the heart. b. is fixed regardless of the anatomy being studied due to the collimator geometry. c. produces higher resolution images than digital radiography. d. is always square due to the shape of the detector crystal.
Health Professions