Which Statement Is NOT True About the Peripheral Veins

question 27

Multiple Choice

Which statement is NOT true about the peripheral veins?

• A) They can undergo remarkable volume changes with little change in transmural pressure.
• B) The percentage of smooth muscle found in the walls of veins varies with their location.
• C) The venous wall is only half as thick as the arterial wall and is composed primarily of elastin fibers.
• D) The venous pressure in the feet of an exercising adult usually is less than 25 mm Hg.

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Definitions:

Stepwise Mechanism

A reaction mechanism that proceeds through multiple discrete stages or steps, with intermediates identifiable between each step.

Organic Product

A chemical compound of biological origin or resembling natural compounds, usually based on carbon structures.

Synthetic Steps

The individual chemical reactions that are performed in sequence to synthesize a compound from simpler starting materials.

Benzene

A basic aromatic hydrocarbon with the chemical formula C6H6, characterized by a ring of six carbon atoms with alternating double bonds.