What causes the edema that occurs during the inflammatory process?
Vasodilation
Increased capillary permeability
Emigration of neutrophils
Endothelial cell contraction
The Correct Answer is B
Choice A reason: Vasodilation increases blood flow, causing redness and heat, but doesn’t directly cause fluid leakage. Increased capillary permeability allows fluid to escape into tissues, causing edema, so this is incorrect for the primary cause of inflammatory edema.
Choice B reason: Increased capillary permeability, triggered by inflammatory mediators, allows plasma to leak into tissues, causing edema. This is the primary mechanism during inflammation, making it the correct choice for the cause of edema in the process.
Choice C reason: Neutrophil emigration fights infection but doesn’t directly cause fluid accumulation. Capillary permeability changes lead to edema, so this is incorrect for the cause of swelling in inflammation.
Choice D reason: Endothelial cell contraction contributes to permeability but is a secondary mechanism. Increased capillary permeability is the overarching process causing fluid leakage and edema, so this is less precise and incorrect.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: Wheezing is associated with lung conditions or left heart failure, not right-sided heart failure. Peripheral edema results from venous congestion in right heart failure, so this is incorrect.
Choice B reason: Vasospasms are linked to vascular conditions, not right-sided heart failure. Peripheral edema is a hallmark due to fluid backup, so this is incorrect for the manifestation.
Choice C reason: Peripheral edema, swelling in legs or ankles, is a primary manifestation of right-sided heart failure, caused by venous congestion from impaired right heart pumping. This is the correct choice.
Choice D reason: Tingling in extremities is neurological or vascular, not typical of right-sided heart failure. Peripheral edema is more characteristic, so this is incorrect for the manifestation.
Correct Answer is ["A","C","D"]
Explanation
Choice A reason: The initial stage of Alzheimer’s involves subtle short-term memory loss, mild personality changes, and forgetting details. This accurately describes early disease progression, aligning with clinical staging, making it a correct choice for Alzheimer’s stages.
Choice B reason: The moderate stage includes impaired higher cortical functions (language, spatial skills), not “no change.” This incorrect description of cognitive decline makes it an inaccurate choice for Alzheimer’s moderate stage characteristics.
Choice C reason: The moderate stage involves global cognitive impairment, including language and spatial deficits, disorientation, and inability to perform daily activities. This accurate description of moderate Alzheimer’s makes it a correct choice for the disease’s stages.
Choice D reason: The severe stage of Alzheimer’s includes loss of environmental response, requiring total care and often bedridden status. This reflects advanced disease progression, making it a correct selection for Alzheimer’s stages.
Choice E reason: Initial Alzheimer’s affects short-term, not long-term, memory. Long-term memory loss occurs later, so this inaccurate description of the initial stage makes it incorrect for Alzheimer’s early manifestations.
Choice F reason: The severe stage involves complete, not slight, loss of environmental response. This underestimation of severe Alzheimer’s dependency and disability makes it incorrect for the disease’s advanced stage.
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