Which of the Following Nerve Fibers Are Contained in the Gray

question 4

Multiple Choice

Which of the following nerve fibers are contained in the gray ramus?

• A)Postganglionic sympathetic fibers
• B)Preganglionic parasympathetic fibers
• C)Postganglionic parasympathetic fibers
• D)Preganglionic sympathetic fibers

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Definitions:

Starling Law

A principle in physiology stating that the force of the heart's contraction is directly proportional to its initial length, influencing the stroke volume.

Stroke Volume

The amount of blood pumped by the left ventricle of the heart in one contraction, a key component in determining cardiac output and vascular health.

Baroreceptor Reflex

A reflex mechanism that helps maintain blood pressure stability by adjusting heart rate and blood vessel diameter in response to changes in blood pressure.

Blood Pressure

The force exerted by circulating blood on the walls of blood vessels, a critical indicator of cardiovascular health.