Which of the following images is most diagnostic with a long scale of contrast?
pelvis
knee
shoulder
chest
chest
Rationale: Higher kVp is needed to penetrate the mediastinum to the spine. The higher kVp contributes to a low scale of contrast that will allow for differences to be noted between the lungs, lung markings, and heart.
Health Professions
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Which assay would assess for the presence of a circulating nonspecific inhibitor?
a. Bethesda titer b. Factor-specific inhibitor c. Lupus anticoagulant d. D-dimer
Health Professions
The light source used to examine the eye interior and optic vessels is the:
a. tuning fork. b. otoscope. c. percussion hammer. d. ophthalmoscope.
Health Professions