The relationship between the intensity of light striking a film and the intensity of light transmitted through the film is an expression of which of the following?
radiographic density
Film base is currently made of which of the following materials?
polyester
The device used to test the accuracy of the x-ray timer is the
spinning top
Which of the following is a vessel that does not carry oxygenated blood?
Pulmonary artery
Blood is returned to the left atrium, from the lungs, via the
pulmonary veins
The sternal angle is at approximately the same level as the
t5
The condition that results from a persistent fetal foramen ovale is
an atrial septal defect
esophageal varices is best visualized in the what position