CT Questions and Answers Latest Version (2024/2025) Graded A+

CT Questions and Answers Latest
Version (2024/2025) Graded A+
Which part of the body is most commonly scanned using CT?

A. Foot


B. ✔✔Head


C. Hand

D. Leg




What is the purpose of contrast dye in a CT scan?


A. ✔✔To enhance image clarity


B. To prevent image distortion

C. To reduce radiation exposure

D. To speed up scanning time




Which component of a CT scanner rotates around the patient?


A. ✔✔Gantry


B. Detector array

C. X-ray tube

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,D. Control panel




What type of radiation does a CT scanner use?

A. Ultraviolet


B. ✔✔X-rays


C. Microwaves

D. Infrared




Which organ is best visualized using a CT scan of the abdomen?

A. Heart

B. Brain

C. Lungs


D. ✔✔Liver




What unit is used to measure radiation in a CT scan?

A. Tesla

B. Hertz


C. ✔✔Sievert


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,D. Joule




Why are patients sometimes asked to hold their breath during a CT scan?


A. ✔✔To prevent motion blur


B. To improve comfort

C. To reduce radiation

D. To speed up the scan




Which material appears the brightest on a CT scan?

A. Muscle


B. ✔✔Bone


C. Fat

D. Lung




Which factor affects the resolution of a CT image?

A. Patient age


B. ✔✔Slice thickness


C. Scanner color


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, D. Room temperature




What is the main advantage of CT over X-ray?

A. No need for contrast


B. ✔✔Detailed 3D imaging


C. Lower radiation dose

D. Faster image processing




Which contrast material is commonly used in CT scans?

A. Sodium


B. ✔✔Iodine


C. Glucose

D. Calcium




Which condition is best diagnosed using a CT brain scan?

A. Fracture


B. ✔✔Stroke


C. Muscle tear


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