Saltatory Conduction Is Rapid Because

question 9

Multiple Choice

Saltatory conduction is rapid because

• A) the action potential does not have to depolarize every segment of the axon membrane.
• B) myelinated cells have more leakage through the membrane.
• C) myelinated axons are larger in diameter.
• D) myelinated cells have more ion channels per unit area than do non-myelinated cells.
• E) myelinated fibers have a lower threshold of activation.

---

Definitions:

Preoperational Stage

The second stage in Piaget's theory of cognitive development, occurring roughly between the ages of 2 and 7, characterized by symbolic thinking and egocentrism but a lack of operational thought.

Sensorimotor

Refers to the first stage in Piaget's theory of cognitive development, characterized by infants learning through physical interaction with their environment.

Concrete Operational

A stage in Piaget’s theory of cognitive development where children are able to think logically about concrete events.

Formal Operational

A stage in Jean Piaget's theory of cognitive development during which individuals develop the ability to think abstractly and systematically.