Focal spots measuring 0.3 mm or more should be measured with a
a. star test pattern.
b. pinhole camera.
c. spinning top.
d. all of the above
b. pinhole camera.
Health Professions
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Which of the following is an absolute contraindication for using intermittent positive-pressure breathing?
a. Hemodynamic instability b. Active untreated tuberculosis c. Tension pneumothorax d. Recent esophageal surgery
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Which type of test can be used to diagnose Alzheimer's and Parkinson's diseases?
A. Cerebral angiography B. MRI C. Electroencephalography D. PET scan E. Lumbar puncture
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