Higher frequency sound waves produce pulses _____ and images ______.

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Multiple Choice

Higher frequency sound waves produce pulses _____ and images ______.

Explanation:
Higher frequency sound waves have shorter periods, so a pulse made of a few cycles becomes shorter in time. Shorter pulses improve axial resolution—the ability to distinguish structures that lie close together along the beam path—making the image more accurate. Keep in mind that higher frequency also attenuates more with tissue, so penetration depth is reduced, trading depth for greater detail.

Higher frequency sound waves have shorter periods, so a pulse made of a few cycles becomes shorter in time. Shorter pulses improve axial resolution—the ability to distinguish structures that lie close together along the beam path—making the image more accurate. Keep in mind that higher frequency also attenuates more with tissue, so penetration depth is reduced, trading depth for greater detail.

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