Lane Is Considering Dropping Out of High School and Finding

question 49

Multiple Choice

Lane is considering dropping out of high school and finding a job.Lane should know that dropouts __________ than high school graduates.

• A) have much higher employment rates
• B) are less likely to be out of work from time to time
• C) are more likely to have skills valued by employers
• D) are more likely to remain in menial, low-paid jobs

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Definitions:

Myelinated Fiber

A nerve fiber with a myelin sheath, which increases the speed at which electrical impulses propagate along the nerve fiber.

Initial Segment

The first portion of a nerve cell axon nearest to the cell body, critical for the initiation of neural signals.

Voltage-Regulated Channels

Ion channels in the cell membranes that open or close in response to changes in membrane potential, crucial for the transmission of electrical signals.

Hyperpolarization

A rise in the membrane potential of a cell, resulting in it becoming more negatively charged and reducing its chances of initiating an action potential.