Severely intellectually disabled people have an IQ range of?

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E6 Kaplan Sadock's Synopsis of Psychiatry-2022 (pp 1-3768 of 3768) p. 311-313
E6 Robert Boland, Marcia L. Verduin - Kaplan and Sadock's Comprehensive Text of Psychiatry-Wolters Kluwer Health (2024) (pp 1-16525 of 16525) p. 11763-11765
Practise the full UPUMS Nsg.Officer-2024
Attempt every question from this paper in a timed mock, then review the full solution for each one.