A patient is admitted to the respiratory unit with flail chest.
Which answer best describes this diagnosis?
A condition in which there is a puncture or rupture of the lung.
A condition characterized by the presence of air or gas in the pleural cavity.
A condition characterized by multiple fractures of the ribs resulting in a segment of the chest wall becoming detached.
A condition characterized by the collapse of the lung.
The Correct Answer is C
Choice A rationale
A puncture or rupture of the lung is typically associated with a pneumothorax, not flail chest. Pneumothorax occurs when air leaks into the space between the lung and the chest wall.
Choice B rationale
The presence of air or gas in the pleural cavity is known as pneumothorax. Flail chest, however, is characterized by multiple rib fractures.
Choice C rationale
Flail chest occurs when multiple adjacent ribs are fractured in multiple places, creating a free-floating segment of the chest wall. This condition is serious and often results from blunt chest trauma.
Choice D rationale
The collapse of the lung is known as atelectasis or pneumothorax, not flail chest. Flail chest specifically refers to the detachment of a segment of the rib cage.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Alcoholism is a common cause of hypomagnesemia due to poor dietary intake, increased renal excretion, and gastrointestinal losses. Chronic alcohol consumption leads to malnutrition and loss of magnesium through the urine, contributing to low magnesium levels.
Choice B rationale
Dehydration typically leads to hemoconcentration, which can elevate, rather than decrease, magnesium levels. Thus, it is not usually associated with low magnesium levels.
Choice C rationale
Kidney failure generally causes hypermagnesemia, not hypomagnesemia, because the kidneys cannot efficiently excrete magnesium, leading to its accumulation in the blood.
Choice D rationale
Excessive magnesium intake would result in hypermagnesemia, not hypomagnesemia, as the body accumulates more magnesium than it can excrete.
Correct Answer is ["A","D"]
Explanation
Choice A rationale
Infusing 10 percent dextrose and water prevents hypoglycemia if TPN is temporarily unavailable. This is a crucial step in maintaining the patient's blood sugar levels.
Choice B rationale
Shaking the TPN bag with fat emulsion can cause the emulsion to break, leading to potential complications. Fat emulsions should be mixed gently.
Choice C rationale
Maintaining the TPN infusion rate when behind schedule is incorrect as it can lead to rapid infusion and complications such as hyperglycemia and fluid overload.
Choice D rationale
Keeping the TPN refrigerated when not in use helps to maintain its stability and prevent bacterial contamination. Proper storage is essential for patient safety. .
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