Etiology Is Unknown for What Percentage of the More Severe

question 82

Multiple Choice

Etiology is unknown for what percentage of the more severe cases of intellectual disability?

• A)75
• B)45 to 50
• C)5 to 10
• D)10 to 20

---

Definitions:

Steroid

Lipid with four carbon rings, no fatty acid tails.

Exocrine Gland

Gland that secretes milk, sweat, saliva, or some other substance through a duct.

Endocrine Gland

Ductless gland; aggregation of hormone-secreting epithelial cells with associated connective tissue and blood vessels.

Pancreas

A glandular organ in the digestive and endocrine systems of vertebrates that produces enzymes for digestion and hormones such as insulin for blood sugar regulation.