Which of the following is true regarding the physiology of an open pneumothorax?
Air cannot pass freely into the thoracic cavity through a chest wound.
The air is trapped when it enters the cavity.
Air moves in and out of a wound in the chest wall.
There are no audible sounds in an open pneumothorax.
The Correct Answer is C
Choice A Reason:
Air cannot pass freely into the thoracic cavity through a chest wound is incorrect because air can indeed pass freely into the thoracic cavity through the chest wound in an open pneumothorax.
Choice B Reason:
The air is trapped when it enters the cavity is incorrect because the characteristic feature of an open pneumothorax is that air is not trapped; rather, it enters the thoracic cavity with each inhalation and exits with each exhalation through the chest wound.
Choice C Reason:
Air moves in and out of a wound in the chest wall is correct. In an open pneumothorax, also known as a "sucking chest wound," air can freely move in and out of the thoracic cavity through a wound in the chest wall. This occurs due to the creation of a communication pathway between the external environment and the pleural space, typically caused by a penetrating injury to the chest.
Choice D Reason:
There are no audible sounds in an open pneumothorax is incorrect because in an open pneumothorax, there may be audible sounds associated with the movement of air in and out of the wound, such as a sucking or bubbling sound, depending on the size and location of the wound. These sounds can be clinically significant and aid in the diagnosis of an open pneumothorax.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A Reason:
Placing the client on clear liquids might not be appropriate in this situation because absent bowel sounds in the lower abdominal quadrants could indicate a more serious gastrointestinal issue such as ileus or bowel obstruction. Clear liquids may exacerbate these conditions and are not sufficient to address the underlying problem. Therefore, this option is not recommended until the cause of absent bowel sounds is identified and addressed.
Choice B Reason:
Performing a hemoccult blood test is not directly relevant to the situation described. Hemoccult tests are used to detect occult (hidden) blood in stool, which can be indicative of gastrointestinal bleeding. While it's important to assess for gastrointestinal bleeding in some cases, absent bowel sounds in the lower abdominal quadrants suggest a more immediate concern related to gastrointestinal motility rather than bleeding. Therefore, this option is not the most appropriate action at this time.
Choice C Reason:
Inserting a nasogastric tube is the most appropriate action in this scenario. Absent bowel sounds in a client with a spinal cord injury can indicate neurogenic bowel dysfunction, which may lead to abdominal distention and discomfort. Inserting a nasogastric tube can help decompress the stomach and intestines, reducing the risk of complications such as aspiration and providing relief from discomfort. It can also help manage gastrointestinal complications until further assessment and interventions can be implemented.
Choice D Reason:
Forcing the intake of fluids may not be appropriate without further assessment and could potentially worsen the client's condition if there is an underlying gastrointestinal issue leading to absent bowel sounds. Additionally, forcing fluids may not address the potential issue of gastrointestinal bleeding.
Correct Answer is ["A","C","D","E"]
Explanation
Choice A Reason:
Paresthesia is appropriate. Paresthesia, or abnormal sensations such as tingling, numbness, or burning, is a common neurological symptom in individuals with multiple sclerosis. It results from damage to the nerves or disruption of nerve signals in the central nervous system.
Choice B Reason:
Nausea and vomiting is inappropriate. While nausea and vomiting can occur in individuals with multiple sclerosis, they are not considered hallmark symptoms of the disease. These symptoms may be associated with other factors such as medications, autonomic dysfunction, or complications such as urinary tract infections.
Choice C Reason:
Dysphagia is appropriate. Dysphagia, or difficulty swallowing, is a common symptom in individuals with multiple sclerosis, particularly as the disease progresses. It can result from damage to the nerves that control swallowing muscles or from impaired coordination of swallowing reflexes.
Choice D Reason:
Spasticity is appropriate. Spasticity, or muscle stiffness and involuntary muscle contractions, is a common symptom in individuals with multiple sclerosis. It occurs due to damage to the nerve fibers that control muscle movement and can lead to difficulty with movement, walking, and muscle control.
Choice E Reason:
Vertigo is appropriate. Vertigo, or the sensation of spinning or dizziness, can occur in individuals with multiple sclerosis, particularly if lesions develop in areas of the brain involved in balance and coordination.
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