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INBDE Integrated National Board Dental Exam Prep

Category - INBDE

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Lack of oxygen (hypoxia) will cause reflex vasoconstriction in which of the following organs?

brain
heart muscle
kidney
lungs

Explanation

Answer: D - Local hypoxia causes vasoconstriction in vessels of pulmonary circulation. This is an adaptive response, since it will shunt blood away from poorly ventilated alveoli.

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INBDE Integrated National Board Dental Exam Prep

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INBDE Integrated National Board Dental Exam Prep

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