A nurse is caring for a client who has respiratory failure due to ventilation-perfusion (V/Q) mismatch. The nurse should recognize that the client most likely has which of the following conditions?
Flail chest
Emphysema
Congestive heart failure
Guillain-Barré syndrome
None
None
The Correct Answer is B
Choice A Reason:
Flail chest is incorrect. Flail chest is a condition characterized by multiple rib fractures, causing instability in the chest wall. While it can lead to respiratory distress, it doesn't directly cause ventilation-perfusion (V/Q) mismatch. Instead, it impairs the mechanics of breathing by compromising chest wall integrity.
Choice B Reason:
Emphysema is a chronic obstructive pulmonary disease (COPD) where the alveolar walls are destroyed, leading to a loss of surface area for gas exchange. This results in areas of the lungs that are well-perfused but poorly ventilated, causing a V/Q mismatch. The damage to alveoli leads to impaired ventilation, while blood flow may still be adequate, leading to hypoxemia (low oxygen levels in the blood).
Choice C Reason:
CHF primarily affects the heart’s ability to pump blood effectively, leading to pulmonary congestion and impaired gas exchange. However, it typically causes diffusion defects rather than a direct ventilation-perfusion mismatch. V/Q mismatch may occur secondary to pulmonary edema, but it’s not the primary mechanism of respiratory failure in CHF.
Choice D Reason:
Guillain-Barré syndrome is incorrect. Guillain-Barré syndrome (GBS) is a neurological disorder that affects the peripheral nervous system, leading to muscle weakness and paralysis. While respiratory muscle weakness can occur in GBS, it doesn't directly cause ventilation-perfusion (V/Q) mismatch. GBS primarily affects nerve function rather than lung function.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A Reason:
"When did you have your last physical?": This question is relevant to assess the client's overall health status and identify any potential comorbidities or health conditions that may be associated with Parkinson's disease. However, it is not as crucial as asking about family history, which directly addresses the client's potential genetic predisposition to Parkinson's disease.
Choice B Reason:
"Do you have any family members with Parkinson's disease?" Parkinson's disease can have both genetic and environmental factors contributing to its development. While the exact cause of Parkinson's disease is not fully understood, having a family history of the condition is a significant risk factor. Individuals with first-degree relatives (parents, siblings, or children) who have Parkinson's disease have an increased risk of developing the condition themselves.
Choice C Reason:
"What kind of work do you do?": This question aims to gather information about the client's occupational history and potential exposure to environmental toxins or factors that may be associated with Parkinson's disease. Certain occupations or exposures to pesticides, herbicides, heavy metals, or other toxins have been linked to an increased risk of Parkinson's disease. While occupational history is important, it is not as directly relevant to assessing the client's risk factors as asking about family history.
Choice D Reason:
"How much coffee do you drink every day?": Research has suggested that caffeine consumption may be associated with a reduced risk of Parkinson's disease or may potentially delay its onset. However, the evidence is not definitive, and the relationship between caffeine intake and Parkinson's disease is still not fully understood. While caffeine consumption may be a relevant factor to explore, especially if the client has a high intake of coffee, it is not as critical as inquiring about family history, which directly addresses genetic predisposition to Parkinson's disease.
Correct Answer is ["A","B","C","D","E","F"]
Explanation
Choice A Reason:
Refraining from climbing ladders is appropriate. Climbing ladders involves a risk of falling, which can be particularly hazardous for individuals with epilepsy. Seizures can occur unexpectedly and may cause loss of muscle control or consciousness, increasing the risk of falls from heights such as ladders. Falling from a ladder during a seizure can result in serious injuries, including head trauma, fractures, or other injuries from impact. Advising the client to refrain from climbing ladders helps mitigate the risk of falls and associated injuries during a seizure episode, promoting their safety and well-being.
Choice B Reason:
Do not go swimming without a partner is inappropriate. Swimming alone can be dangerous for individuals with epilepsy as they may be at risk of drowning if they experience a seizure while in the water. Having a swimming partner can provide assistance and ensure safety in case of a seizure.
Choice C Reason:
Refraining from driving unless seizure-free for 3 months is appropriate. Driving restrictions are often recommended for individuals with epilepsy to minimize the risk of accidents caused by seizures. Many jurisdictions require individuals with epilepsy to be seizure-free for a certain period, typically around 3 to 6 months, before resuming driving.
Choice D Reason:
Avoiding using power tools is appropriate. Operating power tools or machinery can be hazardous if a seizure occurs, potentially leading to serious injuries. Therefore, individuals with epilepsy should avoid using power tools to reduce the risk of accidents during a seizure.
Choice E Reason:
Placing client on the floor when having a seizure is appropriate. Placing the client on the floor during a seizure helps prevent injury from falls. It is safer to have the individual lie down on a flat surface to reduce the risk of head injury or other trauma during the seizure.
Choice F Reason:
Placing client on their back when they are recovering from a seizure appropriate. Placing the client on their back after a seizure helps maintain an open airway and facilitates recovery. This position allows for proper breathing and circulation while monitoring the individual's condition.
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