CT Image Production Exam Questions and Answers Latest Version Already Passed

CT Image Production Exam Questions
and Answers Latest Version Already
Passed
What does the term "pitch" refer to in CT imaging?


A. ✔✔Table movement per rotation


B. Slice thickness

C. Tube voltage

D. Scan time




Which component produces the X-rays in a CT scanner?

A. Detector array


B. ✔✔X-ray tube


C. Gantry

D. Collimator




What is the purpose of collimation in CT imaging?

A. Increase image contrast


B. ✔✔Limit radiation dose and scatter


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,C. Enhance image sharpness

D. Adjust slice thickness




Which factor primarily affects image resolution in CT?


A. ✔✔Matrix size


B. Scan time

C. Patient position

D. Contrast volume




Which parameter controls the brightness of a CT image?

A. Pitch


B. ✔✔Window level


C. Slice thickness

D. mAs setting




What does mAs control in CT imaging?


A. ✔✔Radiation dose and image noise


B. Slice interval


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,C. Table speed

D. Contrast resolution




Which CT artifact is caused by metallic objects?

A. Motion artifact


B. ✔✔Streak artifact


C. Beam hardening

D. Ring artifact




Which parameter affects the sharpness of CT images?

A. Contrast type


B. ✔✔Reconstruction algorithm


C. Patient size

D. Scan time




Which material is commonly used in CT detectors?

A. Lead


B. ✔✔Scintillation crystals


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, C. Aluminum

D. Copper




Which process converts X-ray photons to electrical signals in CT?


A. ✔✔Detection


B. Collimation

C. Filtration

D. Reconstruction




What is the role of the gantry in a CT scanner?

A. Display images


B. ✔✔Houses the X-ray tube and detectors


C. Inject contrast

D. Adjust patient position




Which factor improves contrast resolution in CT?

A. Pitch


B. ✔✔Lower noise level


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