GXMO Image Quality and Interpretation

Question 1

What does the term "contrast" refer to in X-ray imaging?

Accepted Answer

The difference in density between various structures in the image

Answer

The sharpness of the image

Answer

The amount of X-ray exposure used

Answer

The speed at which the X-ray film develops

Question 2

Which artifact is commonly caused by patient movement during an X-ray exposure?

Accepted Answer

Motion Blur

Answer

Quantum Mottle

Answer

Beam Hardening

Answer

Ghosting

Question 3

What does "quantum mottle" in an X-ray image indicate?

Accepted Answer

An uneven distribution of X-ray photons reaching the detector

Answer

The presence of metal objects in the X-ray field

Answer

Incorrect patient positioning

Answer

Overexposure of the X-ray film

Question 4

What is the primary effect of increasing the kVp (kilovoltage peak) setting on an X-ray image?

Accepted Answer

Decreases the contrast and increases the penetration of the X-ray beam

Answer

Increases the contrast and decreases the penetration of the X-ray beam

Answer

Reduces the image resolution

Answer

Has no effect on the X-ray image quality

Question 5

What should be done if an X-ray image shows inadequate detail or blurring?

Accepted Answer

Check and adjust the patient’s positioning and ensure they remain still

Answer

Increase the exposure time

Answer

Use a higher kVp setting

Answer

Decrease the mAs (milliampere-seconds) setting