A small focal spot reduces penumbra

Indicate whether the statement is true or false

True. Penumbra is a partial shadow (fuzzy, unsharp zone) around the edge of a structure. A small focal spot reduces penumbra, resulting in a sharper image with less magnification.

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The ________ serves as a common passageway for both air and food

A) esophagus B) larynx C) pharynx D) epiglottis

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To what structure is the uvula attached?

A. hard palate B. palatopharyngeal arch C. palatoglossal arch D. soft palate

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