Which of These Is an Element of the Formal Definition

question 119

Multiple Choice

Which of these is an element of the formal definition of intellectual disability?

• A)IQ below 70
• B)Evidence of brain damage
• C)Slower than normal reflexes
• D)Onset of deficits prior to age six

---

Definitions:

Potassium Ions

Positively charged ions (K+) vital for various physiological processes, including nerve signal transmission and muscle contraction.

Neuromodulators

Substances released by neurons in the nervous system that influence the strength or weakness of the signal being transmitted, altering the activity of other neurons or muscles.

Synaptic Transmission

The process by which nerve impulses are transmitted across a synapse from one neuron to another.

Neurotransmitter Receptor

A specialized protein on the surface of a cell, designed to bind with specific neurotransmitters to induce changes within the cell.