超星 - 总论课后习题

单选题

Which of the following characteristics of X-ray is not utilized for imaging?（）

A. penetration （穿透性）
B. absorbability (可吸收性)
C. fluorescent effect （荧光效应）
D. photographic effect （感光效应）
E. ionization effect (电磁效应)

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单选题

Which of the following imaging examinations does not require radiation protection (辐射防护) for the patients? （）

A. magnetic resonance imaging (MRI)
B. plain CT scan
C. digital radiography （DR）
D. enhancement CT scan
E. soft X-ray radiography

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单选题

Which of the following imaging examinations does not use X-ray? （）

A. computed radiography (CR)
B. digital radiography (DR)
C. plain CT scan
D. enhancement CT scan
E. magnetic resonance imaging (MRI)

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单选题

For different imaging techniques and their clinical application, which of the following statements is correct? ()

A. X-ray imaging is suitable for all parts of human body
B. X-ray contrast examination is suitable for the digestive tract
C. MRI can completely replace CT Examination
D. CT is superior to MRI for displaying soft tissue
E. When both MRI and CT can be used, CT should be the first choice.

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