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? Arterial pressure Arterial baroreceptors ? Firing Reflex via medullary cardiovascular center ? Sympathetic outflow to heart, arterioles, veins ? Parasympathetic outflow to heart The figure above shows a reflex arc involving negative feedback. What is the physiological variable in this example? Medullary cardiovascular center Arterial pressure Arterial baroreceptors Sympathetic and parasympathetic outflow 

          ? Arterial pressure
Arterial baroreceptors
? Firing
Reflex via medullary
cardiovascular center
? Sympathetic
outflow to
heart, arterioles,
veins
? Parasympathetic
outflow to heart
The figure above shows a reflex arc involving negative feedback. What
is the physiological variable in this example?
Medullary cardiovascular center
Arterial pressure
Arterial baroreceptors
Sympathetic and parasympathetic outflow
Show more…
? Arterial pressure Arterial baroreceptors ? Firing Reflex via medullary cardiovascular center ? Sympathetic outflow to heart, arterioles, veins ? Parasympathetic outflow to heart The figure above shows a reflex arc involving negative feedback. What is the physiological variable in this example? Medullary cardiovascular center Arterial pressure Arterial baroreceptors Sympathetic and parasympathetic outflow

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Biology for AP Courses
Biology for AP Courses
Julianne Zedalis, John Eggebrecht
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uarr Arterial pressure Arterial baroreceptors uarr Firing Reflex via medullary cardiovascular center darr Sympathetic outflow to uarr Parasympathetic heart, arterioles, outflow to heart The figure above shows a reflex arc involving negative feedback. What is the physiological variable in this example? Medullary cardiovascular center Arterial pressure Arterial baroreceptors Sympathetic and parasympathetic outflow 1 Arterial pressure Arterial baroreceptors 1 Firing Reflex via medullary cardiovascular center 1 Sympathetic outflow to heart, arterioles, veins 1 Parasympathetic outflow to heart The figure above shows a reflex arc involving negative feedback. What is the physiological variable in this example? ) Medullary cardiovascular center Arterial pressure Arterial baroreceptors O Sympathetic and parasympathetic outflow
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Transcript

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00:01 The mean when the mean arterial pressure is raised that is increased a negative feedback a negative feedback process is produced is produced by stretching the baroreceptors as a result parasympathetic parasympathetic activity activity rises and sympathetic activity activity declines as a result sa node ventricular myocardium myocardium veins and arterial arterial are adversely affected as a result the mean arterial the…
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