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 information

• To enhance the aesthetic quality of images

What does exposure field alignment minimize in radiologic imaging?

• Image processing time

• Cost of imaging

• Radiation exposure

• Patient discomfort

Which of the following is a key factor influencing exposure technique selection?

• Patient's age

• Time of day

• Technologist's experience

• Body part and tissue type

What does the Analog-to-Digital Converter (ADC) do in radiologic imaging?

• Enhances image brightness

• Reduces radiation exposure

• Digitizes analog signals for processing

• Converts digital signals to analog

What is the role of a histogram in image processing?

• To adjust patient positioning

• To represent pixel intensity distribution

• To calculate radiation dose

• To create 3D images

What does automatic rescaling do in image optimization?

• Increases the radiation dose

• Reduces the number of images taken

• Adjusts pixel values to fit the display range

• Changes the patient's position

Which technology is commonly used in digital radiography systems?

• Charge-Coupled Device (CCD)

• Thin-Film Transistor (TFT)

• Photographic Film

• Film-Screen Systems

What is the significance of collimation in radiologic imaging?

• To restrict the X-ray beam to the area of interest

• To increase image brightness

• To reduce imaging costs

• To enhance patient comfort

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

• The cost of the imaging procedure

• The number of images taken during a session

• The amount of time taken for an imaging procedure

• The total energy delivered by radiation to a specific area

What is the purpose of exposure indicators in radiologic imaging?

• To quantify the level of radiation exposure

• To measure the patient's weight

• To determine the patient's age

• To adjust the imaging equipment