Heart rate is increased by all the following | vedclass

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(D) The correct answer is $D$. Anoxia (lack of oxygen),moderate $CO_2$ excess,and elevated body temperature all act to increase the heart rate. Increa

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Increased intracranial pressure

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(D) The correct answer is $D$. Anoxia (lack of oxygen),moderate $CO_2$ excess,and elevated body temperature all act to increase the heart rate. Increased intracranial pressure,however,triggers the Cushing reflex,which leads to bradycardia (a decrease in heart rate) by directly stimulating the vagus nerve.

Heart rate is increased by all the following except:

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