A Developmental Disability Is a Substantial Impairment of Mental or Physical

question 3

Multiple Choice

A developmental disability is a substantial impairment of mental or physical functioning that occurs before age ____ years and is of indefinite duration.

• A)12
• B)18
• C)19
• D)22

---

Definitions:

Sloughed-Off Epithelial Cells

Cells that have been shed from the epithelium, the layer of cells covering the body surfaces and cavities.

Trypsin

Proteolytic enzyme formed in the small intestine from the inactive pancreatic precursor trypsinogen.

Nucleic Acids

Biomolecules essential for all known forms of life, which include DNA and RNA, responsible for storing and transmitting genetic information.

Enterokinase

Intestinal proteolytic enzyme that converts trypsinogen into trypsin.