Tissue harmonics are created during 

What is the hydrostatic pressure in the carotid artery of the neck of the supine patient with a blood pressure of 140 mm/Hg?

Select the exposure factor adjustments needed for the pathologic indication(s) below using manual exposure settings (no AEC).  

Situation: A patient is in the intensive care unit with multiple injuries. The attending physician is concerned about a pleural effusion in the left lung. The patient had surgery recently and cannot stand. Which position/projection would be best to rule out the pleural effusion?

What happens if blood flow is sampled in the center of a vessel exhibiting  parabolic flow?

Situation: A patient enters the ED with a possible pneumothorax in the left lung. Because of trauma, the patient cannot stand or sit erect. Which of the following positions would best demonstrate this condition?

What is the recommended kV range for upper airway projections (analog and digital imaging)?

Normally, what happens to the venous flow in the legs during inspiration?

Which of the following technical facotrs is most ideal for adult chest radiography?

The central ray (CR) for an anteroposterior (AP) supine, adult chest projection should be centered: