Chapter 8 - Thoracic Trauma Flashcards
About what percentage of vehicle deaths are attributable to thoracic injuries?
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25%
Which of the following is located within the thorax?
The heart
The trachea
Both lungs
The esophagus
All of the above
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All of the above
How many floating rib pairs are there?
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Two
List the lines is used to describe position on the chest wall?
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Posterior axillary line
Midclavicular line
Anterior axillary line
Medial axillary line
How high does the diaphragm rise in the chest during a maximum expiration?
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To the 6th intercostal space posteriorly
The muscle(s) of respiration responsible for reducing the distance between ribs and helping lift the thorax is (are) the
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intercostal muscles.
The structure that separates the chest cavity from the abdominal cavity is the
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diaphragm.
At the beginning of and during most of expiration, the pressure within the thorax is
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more than the atmospheric pressure.
Which structure(s) enter(s) or exit(s) the lungs at the pulmonary hilum?
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Right mainstem bronchus
Pulmonary artery
Pulmonary veins
T/F - The right lung has only two lobes because the heart’s greatest mass is on the right.
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False
The serous structure that ensures the lungs expand with the thoracic cage wall and diaphragm is the
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pleura.
Which of the following act(s) as a shut-off switch for respiration?
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The apneustic center
Which of the following structures is NOT located within the mediastinum?
Thoracic duct
Vagus nerve
Phrenic nerve
Esophagus
Pulmonary hilum
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Pulmonary hilum
Which of the following statements is NOT true regarding the pericardium?
A. The pericardial fluid is straw colored.
B. The pericardial fluid acts as a lubricant.
C. The pericardium normally contains no more than 5 mL of fluid.
D. The epicardium and visceral pericardium are one and the same.
E. The fibrous pericardium is not the parietal pericardium.
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The pericardium normally contains no more than 5 mL of fluid.
The outer layer of the heart is the
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epicardium.
The intercostal arteries and nerves run
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below the ribs.
Which of the following is NOT likely to be associated with blunt trauma?
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Pericardial tamponade
Which of the following is NOT likely to be associated with penetrating trauma?
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Traumatic asphyxia.
Rib fracture is found in about what percent of significant chest trauma?
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50 percent
Which ribs are fractured the most frequently
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4 through 8
Which rib group, when fractured, is most frequently associated with aortic rupture?
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Ribs 1 and 3
Which of the following groups is more likely to experience internal injury without rib fracture?
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Pediatric patients
Which of the following are associated with a rib fracture?
Local pain
Hemothorax
Crepitus
Limited chest excursion
All of the above
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All of the above
Which of the following is most frequently associated with sternal fracture?
Hemothorax
Simple pneumothorax
Blunt cardiac injury
Open pneumothorax
Esophageal injury
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Blunt cardiac injury
Air from under the flail segment in flail chest does which of the following?
Moves out from under the segment during expiration
Moves toward the mediastinum during expiration
Does not move with the segment
Moves out from under the segment during inspiration
None of the above
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Moves out from under the segment during inspiration
As the pain of the flail chest increases with time, the amount of paradoxical movement will
decrease due to muscular splinting.
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False