Ron Served in Iraq as Part of a Special Operations

question 18

Multiple Choice

Ron served in Iraq as part of a special operations team that was pinned down for nearly 20 hours by enemy fire.After 18 months,he continued to relive the episode.This is a symptom of

• A) post-traumatic stress disorder.
• B) generalized anxiety disorder.
• C) panic disorder with agoraphobia.
• D) dissociative fugue.

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Definitions:

Voltmeter

An instrument used for measuring the electrical potential difference between two points in an electric circuit.

Clamp-on Ammeter

A measuring instrument that can measure the current flow in a conductor without requiring any physical contact or disconnecting the circuit.

Ayrton

Refers to Hertha Ayrton, a British engineer, mathematician, physicist, and inventor, known for her work on electric arcs and ripples in sand and water.

D'Arsonval

Refers to a type of galvanometer used for detecting and measuring small electric currents by the mechanical movement it produces through a magnetic field.