Final answer:
Medium-security correctional institutions are not the same as U.S. penitentiaries.
Explanation:
Medium-security correctional institutions are not referred to as U.S. penitentiaries.
Prisons vary in security levels, with medium-security facilities being one step below high-security prisons. These institutions house inmates considered less of a security risk compared to those in high-security or supermax prisons.
Learn more about Prisons and Correctional Institutions here:
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