RT 214 Prefinal Quiz

What is the primary purpose of proper patient positioning in radiologic imaging?

• To increase the radiation dose

• To reduce the time taken for imaging

• To ensure accurate anatomical representation

• To enhance the aesthetic quality of images

What does collimation in radiologic imaging help to minimize?

• Image resolution

• Radiation exposure to non-targeted tissues

• Patient discomfort

• Cost of imaging procedures

Which factor is NOT considered when selecting exposure techniques in radiologic imaging?

• Body part and tissue type

• Patient size and composition

• Time of day

• Technical factors like kVp and mAs

What is the role of the Analog-to-Digital Converter (ADC) in radiologic imaging?

• To adjust patient positioning

• To convert analog signals into digital data

• To reduce radiation exposure

• To enhance image brightness

What does a histogram represent in the context of image processing?

• The physical dimensions of the imaging equipment

• The distribution of pixel intensities in a digital image

• The cost of the imaging procedure

• The patient's medical history

What is the purpose of automatic rescaling in image processing?

• To change the imaging equipment

• To increase the radiation dose

• To fit digital values within the display's dynamic range

• To adjust the brightness of the room

Which of the following is a method of image extraction in radiologic imaging?

• Patient positioning

• Thin-Film Transistor (TFT) technology

• Histogram analysis

• Radiation dose optimization

What does the term 'Dose Area Product (DAP)' refer to?

• The total energy delivered by ionizing radiation to a specific area

• The amount of time taken for an imaging procedure

• The number of images taken during a session

• The cost of radiation equipment

What is the significance of exposure indicators in radiologic imaging?

• They are used to calibrate imaging equipment

• They quantify the level of radiation exposure received

• They enhance the aesthetic quality of images

• They determine the cost of imaging procedures

Which technique is used to enhance the overall contrast of an image?

• Frequency processing

• Histogram equalization

• Patient positioning

• Collimation