Computed Tomography (CT) Scan Quiz

What is the main advantage of CT over conventional radiograph?

• Lower cost

• Lower radiation exposure

• Ability to differentiate small density differences

• Faster scanning time

What is the function of the detector in a CT scanner?

• Measure X-ray radiation intensity

• Rotate around the patient

• Produce X-ray radiation

• Align the patient's body

What is the purpose of the CT table in a CT scan?

• To align the patient's body

• To produce X-ray radiation

• To measure X-ray radiation intensity

• To move the patient into the gantry

What is the role of the computer in a CT scan?

• To produce X-ray radiation

• To align the patient's body

• To measure X-ray radiation intensity

• To re-assemble and reconstruct data

What is the purpose of the Hounsfield unit (HU) in CT?

• To highlight specific areas inside the body

• To quantify beam attenuation capability

• To align the patient's body

• To measure radiation dose

What is the function of a contrast agent in CT scanning?

• To measure radiation dose

• To align the patient's body

• To highlight specific areas inside the body

• To quantify beam attenuation capability

What is the clinical application of CT Head scans?

• Assessing the chest

• Providing information about the vertebrae

• Detecting brain tumors

• Assessing the abdomen

What is the purpose of iodine contrast agent in CT scanning?

• Aligning the patient's body

• Measuring radiation dose

• Highlighting blood vessels

• Quantifying beam attenuation capability

What is the next generation of CT scanners after the 4th generation?

• Multi-slice CT scanner

• 1st generation

• 2nd generation

• 3rd generation

What is the purpose of the collimator in a CT scanner?

• To measure X-ray radiation intensity

• To shape the X-ray beam

• To rotate around the patient

• To align the patient's body