Blog

A young female patient from the ER is brought to radiology for rib x-rays. She is able to sit up or stand for the procedure. She indicates that the region of pain is to the right mid-axillary region. Which rib projections should be performed to minimize the effective dose to this patient?

What is the primary function of the active layer in non-scintillator-based flat-panel receptors?

What does a grid performance test in radiography evaluate?

What is another term for the hepatopancreatic sphincter?

An AP foot image obtained with the foot laterally rotated demonstrates: 1. a closed medial-intermediate cuneiform joint space 2. closed tarsometatarsal joint spaces 3. the calcaneus with increased talar superimposition 4. a decrease in metatarsal base superimposition

The smallest quantity of any type of electromagnetic radiation is a _____.

For a DR receptor plate, if the width of the individual detector elements could be reduced to 0.0625 mm (del pitch = 0.0625 mm), what spatial resolution could be achieved?

What determines brightness gain in an image intensifier?

How many half-value layers (HVL) are required to decrease beam intensity from 100% to 12.5%?

In a digital image histogram graph, the vertical height of any data point along the plotted curve (measured against the y axis of the graph), indicates the: