What medical term is used to identify a functional urinary tract obstruction caused by an interruption of the nerve supply to the bladder?
Necrotic bladder
Neurogenic bladder
Retrograde bladder
Obstructed bladder
The Correct Answer is B
Choice A reason: Necrotic bladder implies tissue death, not a nerve-related obstruction. Neurogenic bladder, caused by nerve supply interruption, leads to functional obstruction, making this incorrect for the described condition.
Choice B reason: Neurogenic bladder results from nerve supply interruption, causing dysfunctional bladder control and obstruction. This matches the description of a functional urinary tract issue, making it the correct term.
Choice C reason: Retrograde bladder is not a medical term; retrograde refers to urine backflow. Neurogenic bladder accurately describes nerve-related obstruction, so this is incorrect for the condition.
Choice D reason: Obstructed bladder is vague and not specific to nerve issues. Neurogenic bladder directly addresses nerve supply disruption causing obstruction, making this incorrect for the term.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Ventilation-perfusion (V/Q) mismatch, where lung regions receive inadequate ventilation or perfusion, is the most common cause of hypoxemia. Conditions like pneumonia or pulmonary embolism disrupt this balance, reducing oxygen exchange, making this the primary cause in clinical settings.
Choice B reason: Hyperventilation with hypocapnia lowers carbon dioxide but does not typically cause hypoxemia, as oxygen levels are usually maintained or increased. It affects acid-base balance more than oxygenation, making this an incorrect primary cause of low oxygen levels.
Choice C reason: Reduced diffusion distance is not a cause but a facilitator of gas exchange. Impaired diffusion (e.g., pulmonary edema) can contribute to hypoxemia, but V/Q mismatch is more prevalent across conditions, making this less common as a primary cause.
Choice D reason: Shunting, where blood bypasses ventilated alveoli, causes hypoxemia but is less common than V/Q mismatch. It occurs in specific conditions like congenital heart defects or ARDS, but V/Q mismatch predominates in most respiratory disorders, making this incorrect.
Correct Answer is C
Explanation
Choice A reason: Platelet plug formation (activation, adhesion, aggregation) is a key hemostasis stage, initiating clotting. Hypercoagulability is a pathological state, not a normal stage, so this is incorrect as the exception.
Choice B reason: Blood coagulation, forming a fibrin clot, is a core hemostasis stage, stabilizing the platelet plug. Hypercoagulability is not a standard stage, so this is incorrect for the exception.
Choice C reason: Hypercoagulability is a pathological condition increasing clotting risk, not a normal hemostasis stage. Vessel spasm, platelet plug, and coagulation are standard stages, making this the correct exception.
Choice D reason: Vessel spasm (vasoconstriction) is the initial hemostasis stage, reducing blood flow to the injury. Hypercoagulability is not a stage, so this is incorrect as the exception.
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