Which Statement About the Predisposing and Etiological Factors Associated with Intellectual

question 90

Multiple Choice

Which statement about the predisposing and etiological factors associated with intellectual disabilities is accurate?

• A) Heredity explains the cause of over one-half of all cases of intellectual disabilities.
• B) Down syndrome and fetal alcohol syndrome account for almost 75 percent of all cases of intellectual disabilities.
• C) More children develop intellectual disabilities because of infections and brain damage than because of all other causes put together.
• D) In a large majority of cases (80 percent), the cause of intellectual disabilities is not known.

---

Definitions:

Helium

A chemical element with symbol He and atomic number 2, known for being a lightweight, inert gas widely used in balloons and as a coolant.

Neon

A chemical element with the symbol Ne and atomic number 10, it is a colorless, odorless, inert monatomic gas under standard conditions, with about two-thirds the density of air and is used in fluorescent lamps and signs.

Argon

A noble gas element with the atomic number 18, colorless, odorless, and inert, making up about 1% of the Earth's atmosphere.

React

To react means to respond to a stimulus or to undergo a chemical change.