True or False While shadowing a physician in the Emergency Room, a patient arrives with a gunshot wound to thechest. The entry point is an inch to the left of the sternum and two inches inferior to the transversethoracic plane. The exit wound is just left of the spine, on the same plane as the entry wound. Basecon the location of these superficial wounds, the following structures are likely to have beendamaged by the passage of the bullet:45. aortic arch.46. thymus.47. azygos vein. T

Answered: While shadowing a physician in the…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Question

True or False

While shadowing a physician in the Emergency Room, a patient arrives with a gunshot wound to the
chest. The entry point is an inch to the left of the sternum and two inches inferior to the transverse
thoracic plane. The exit wound is just left of the spine, on the same plane as the entry wound. Basec
on the location of these superficial wounds, the following structures are likely to have been
damaged by the passage of the bullet:
45. aortic arch.
46. thymus.
47. azygos vein. T

Expert Solution

Step 1: Introduction

The superior mediastinum and the inferior mediastinum of the mediastinum are separated by an artificial horizontal plane called the thoracic plane, often referred to as the trans thoracic plane or the plane of Ludwig.

It extends from the manubriosternal joint (sternal angle or angle of Louis) to the inferior end plate of T4. It consists of the following structures-

Tracheal bifurcation, or the carina
The interior concavity of the aortic arch
bifurcation of the pulmonary trunk
The right major bronchus is crossed by the azygos vein, which empties into the SVC.
The aortic arch is encircled by the left recurrent laryngeal nerve.
The thoracic duct travels posterior to the ligamentum arteriosum of the esophagus from side to side.