题目内容

A radiograph is taken by using 70kVp and 15mAs. If the radiograph is repeated using 80kVp, what mAs should be used to maintain the original density?

A. 5.5mAs
B. 6.5mAs
C. 7.5mAs
D. 8.5mAs

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Which of the following body parts listed in order from less absorbing power to more absorbing power is correct?

A. Muscle, Fat, and Bone.
B. Air, Muscle, and Water.
C. Fat, Water, and Bone.
D. Muscle, Water, and Bone.

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What is the main controlling factor of radiographic contrast?

A. kVp
B. mAs
C. mA
D. SID

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What occurs with contrast and density of a radiograph when the setting of mAs increases?

A. Contrast decreases and density decreases.
B. Contrast remains unchanged and density decreases.
Contrast remains unchanged and density increases.
D. Contrast increases and density increases.

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Black areas that are produced on a radiograph represents_____.

A. tissues of high density
B. tissues of high atomic number
C. tissues causing less attenuation of the X-ray beam
D. tissues absorbing more x-rays beam

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A radiograph is taken by using 70kVp and 15mAs. If the radiograph is repeated using 80kVp, what mAs should be used to maintain the original density?

A. 5.5mAs B. 6.5mAs C. 7.5mAs D. 8.5mAs

Which of the following body parts listed in order from less absorbing power to more absorbing power is correct?

What is the main controlling factor of radiographic contrast?

What occurs with contrast and density of a radiograph when the setting of mAs increases?

Black areas that are produced on a radiograph represents_____.

A. 5.5mAs
B. 6.5mAs
C. 7.5mAs
D. 8.5mAs