题目内容

The energy of the X-ray is

A. a) About the same as infrared, which is why it causes burns.
B. b) The lowest energy EM radiation known
C. c) High enough to cause damage to the DNA in cells
D. d) Similar to the ultraviolet light that causes sunburn

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At what speed do radio waves travel?

A. a) The same speed as light.
B. b) The same speed as sound.
C. c) The same speed as sound and light.
D. d) Faster speed than light.

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In which direction does an electromagnetic wave propagate?

A. a) The same as the electric field.
B. b) Opposite to the magnetic field.
C. c) Perpendicular to the electric and magnetic field.
D. d) Sinusoidally.

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MIP rotational reconstructions rotate

A. clockwise.
B. anticlockwise.
C. either way, you can't tell.

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A MIP reconstruction is used to:

A. visualize radio-opaque structures that are spread across a number of imaging slices.
B. create a 3D projection of a CT volume.
C. display the minimum values in a dataset

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The energy of the X-ray is

A. a) About the same as infrared, which is why it causes burns. B. b) The lowest energy EM radiation known C. c) High enough to cause damage to the DNA in cells D. d) Similar to the ultraviolet light that causes sunburn

At what speed do radio waves travel?

In which direction does an electromagnetic wave propagate?

MIP rotational reconstructions rotate

A MIP reconstruction is used to:

A. a) About the same as infrared, which is why it causes burns.
B. b) The lowest energy EM radiation known
C. c) High enough to cause damage to the DNA in cells
D. d) Similar to the ultraviolet light that causes sunburn