NURS 222 Exam 2 Questions and Correct Answers |
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What is the primary purpose of a chest tube? Ans: Restore negative
pressure in the pleural space to allow lung re-expansion
What normally keeps the lungs expanded? Ans: Negative pressure in the
pleural space
What happens when air, blood, or fluid enters the pleural space? Ans:
Negative pressure is lost and the lung collapses
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What is a pneumothorax? Ans: Air in the pleural space
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What is a hemothorax? Ans: Blood in the pleural space
What is a hemopneumothorax? Ans: Air and blood in the pleural space
Why are air chest tubes placed higher in the chest? Ans: Air rises
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Why are fluid chest tubes placed lower in the chest? Ans: Fluid sinks
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What are the three chambers of an Atrium chest drainage system? Ans:
Collection chamber, water seal chamber, suction control chamber
What is the function of the collection chamber? Ans: Collects and
measures drainage from the pleural space
Why should drainage be marked at the beginning of the shift? Ans: To
detect increases or decreases in output
A sudden increase in chest tube drainage may indicate what
complication? Ans: Bleeding or cardiac tamponade
What is the purpose of the water seal chamber? Ans: Acts as a one-way
valve to prevent air from entering the pleural space
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What does tidaling in the water seal chamber indicate? Ans: Normal
changes in intrathoracic pressure
What does continuous bubbling in the water seal chamber indicate? Ans:
An air leak
Is intermittent bubbling in the water seal chamber normal? Ans: Yes,
with coughing or movement
What controls the amount of suction in a chest tube system? Ans: The
suction control dial, not wall suction
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What indicates suction is functioning in an Atrium system? Ans: Visible
orange billows and gentle bubbling
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Where is a chest tube placed for pneumothorax? Ans: 2nd-3rd intercostal
space, anterior mid-clavicular line
Where is a chest tube placed for hemothorax? Ans: 5th-6th intercostal
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space, mid-axillary line
Why should the chest drainage system always remain below chest level?
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Ans: To prevent backflow into the pleural space
When should a chest tube be clamped? Ans: Only if specifically ordered
by the provider
What should always be used to secure the chest tube insertion site? Ans:
Occlusive dressing
What assessments must be documented for a chest tube? Ans: Location,
drainage amount/color, air leak presence, suction status
What does TRALI stand for? Ans: Transfusion-related acute lung injury
What causes TRALI? Ans: Immune-mediated lung inflammation from
transfused blood