Allen Is in a Constant State of Dread

question 34

Multiple Choice

Allen is in a constant state of dread.He has trouble sleeping,feels tense,and cannot concentrate.Allen will likely be diagnosed with which anxiety disorder?

• A)phobia
• B)generalized anxiety
• C)panic
• D)obsessive-compulsive

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Definitions:

Presynaptic Facilitation

An increase in the neurotransmitter release from a presynaptic neuron, enhancing the response of the postsynaptic neuron.

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.