Asked by Dariush Danowski on Apr 26, 2024
Verified
When a person rises quickly from a lying position, there is
A) an increase in the frequency of action potentials produced by the baroreceptors.
B) an increase in vasomotor sympathetic stimulation to the blood vessels causing vasoconstriction.
C) reflexive slowing of the heart.
D) an increase of parasympathetic stimulation of the heart.
E) a decrease in heart rate and stroke volume.
Vasomotor Sympathetic
Pertaining to the control of blood vessel diameter by the sympathetic nervous system, affecting blood flow and pressure.
Baroreceptors
Sensory nerve endings located in the walls of blood vessels and the heart that detect changes in blood pressure and help regulate it.
Vasoconstriction
The narrowing of blood vessels, which increases blood pressure by reducing the volume of blood flow.
- Comprehend the bodily physiological responses and the compensatory actions taken in response to changes in blood pressure and shock.
- Understand the function of chemoreceptors and baroreceptors in sustaining homeostatic balance related to alterations in blood osmotic pressure and blood pressure.
Verified Answer
Learning Objectives
- Comprehend the bodily physiological responses and the compensatory actions taken in response to changes in blood pressure and shock.
- Understand the function of chemoreceptors and baroreceptors in sustaining homeostatic balance related to alterations in blood osmotic pressure and blood pressure.
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