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Exam (elaborations)

AHN 447 Exam 3 Practice Questions and Answers

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AHN 447 Exam 3 Practice Questions and Answers What are the clinical manifestations of a pulmonary contusion? - ANSWER-MAY BE ASYMPTOMATIC AT FIRST decreased breath sounds or crackles and wheezes over the affected area bruising over the injury dry cough tachycardia ©EMILLECT 2024/2025 ACADE...

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  • October 29, 2024
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AHN 447 Exam 3 Practice Questions and

Answers


What are the clinical manifestations of a pulmonary contusion? - ANSWER✔✔-MAY BE ASYMPTOMATIC

AT FIRST




decreased breath sounds or crackles and wheezes over the affected area




bruising over the injury




dry cough




tachycardia




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tachypnea




dullness to percussion




bloody sputum




initial CXR normal--CXR with opacities after several days




*can lead to respiratory failure


What is the pathophysiology of a pulmonary contusion? - ANSWER✔✔-occurs most often by rapid

deceleration during car crashes




Hemorrhage and edema occur in and between the alveoli, reducing both lung movement and the area

available for gas exchange.




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Localized inflammation can cause further damage.




The pt becomes hypoxemia and dyspneic (SOB).


What position should you place the pt in who has a pulmonary contusion? - ANSWER✔✔-Place the pt in

moderate-Fowler's position.




When side-lying, the "good lung down" position may be helpful.


What are rib fractures most often caused by? - ANSWER✔✔-direct blunt trauma to the chest wall




(The force applied to the ribs fractures them and drives the bone ends into the chest)


What is the pt at risk for with a rib fracture? - ANSWER✔✔-DEEP CHEST INJURY (pulmonary contusion,

pneumothorax, hemothorax)


What is flail chest? - ANSWER✔✔-Flail chest is the result of fractures of at least 2 neighboring ribs in 2 or

more places causing PARADOXICAL CHEST WALL MOVEMENT (inward movement of the thorax during

inspiration, outward movement during expiration)




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It usually involves one side of the chest and results from blunt chest trauma.


What clinical manifestations are most often seen with a flail chest? - ANSWER✔✔-paradoxical chest

movement




SOB




cyanosis




tachycardia




hypOtension




pain




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