American EMT Academy Week III Practice Test 2026 – Your All-in-One Guide to Mastering EMT Certification

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A strangulated hernia is best defined as a hernia in which the blood supply is lost due to compression by surrounding tissues. Which option matches this definition?

Spontaneous reduction without surgery

Can be pushed back into the body cavity

Reducible if surgery within 2 hours

Loses its blood supply due to compression by local tissues

Strangulation means the blood supply to the herniated tissue is cut off by compression from surrounding tissues, leading to ischemia. The description that the hernia loses its blood supply due to compression by local tissues fits this definition exactly, which is why it is the best choice. This situation is an emergency because once blood flow is lost, the tissue can quickly become necrotic if not treated promptly.

The other statements describe hernias that can still be reduced back into the body without lost blood flow, so they don’t convey the vascular compromise that defines strangulation.