ARRT Exam Prep Imaging Flashcard

Front

What type of transmission-based precaution requires a mask?

Back

Airborne precautions are used to prevent the spread of pathogens that are transmitted through the air, requiring the use of masks.

Front

How long does an exposed image plate retain its original image quality?

Back

An exposed image plate retains its original image quality for about 8 hours.

Front

What is the single most important source of scattered radiation in imaging?

Back

The patient is the single most important source of scattered radiation during imaging procedures.

Front

What condition is characterized by blood pressure consistently above 140/90?

Back

Hypertension is the condition where blood pressure is consistently above 140/90.

Front

What factors impact spatial resolution in CR imaging?

Back

Spatial resolution in CR imaging is impacted by pixel pitch and sampling frequency.

Front

Define 'Airborne Precautions'.

Back

Airborne precautions are infection control practices used to prevent the spread of diseases that are transmitted through the air.

Front

What is the role of the x-ray tube in imaging?

Back

The x-ray tube generates x-rays that are used to create images of the internal structures of the body.

Front

Explain the term 'scattered radiation'.

Back

Scattered radiation refers to x-rays that have been deflected from their original path, which can contribute to radiation exposure.

Front

What is the significance of pixel pitch in CR imaging?

Back

Pixel pitch refers to the distance between the centers of two adjacent pixels, affecting the spatial resolution of the image.

Front

What does 'sampling frequency' refer to in CR imaging?

Back

Sampling frequency is the rate at which the analog signal is sampled to create a digital image, influencing image quality.