Stenosis is defined as what?

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Prepare for the NREMT Advanced-EMT Test. Use flashcards and multiple choice questions, complete with hints and explanations. Ready yourself for success on your exam!

Multiple Choice

Stenosis is defined as what?

Explanation:
Stenosis means abnormal narrowing of a passage or vessel, which increases resistance to flow and can reduce perfusion beyond the narrowed area. This term is used for things like narrowed arteries or heart valve stenosis, where the opening is constricted and flow is impeded. The other descriptions refer to different processes: increased tissue perfusion is more blood flow to tissue, not a narrowing; inflammation of joints describes arthritis; dilation of vessels is widening of the vessels, which is the opposite of narrowing.

Stenosis means abnormal narrowing of a passage or vessel, which increases resistance to flow and can reduce perfusion beyond the narrowed area. This term is used for things like narrowed arteries or heart valve stenosis, where the opening is constricted and flow is impeded.

The other descriptions refer to different processes: increased tissue perfusion is more blood flow to tissue, not a narrowing; inflammation of joints describes arthritis; dilation of vessels is widening of the vessels, which is the opposite of narrowing.

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