All of the Following Statements Regarding Changes in the Integumentary

question 25

Multiple Choice

All of the following statements regarding changes in the integumentary system related to senescence are true EXCEPT

• A)the skin thickens and loses elasticity
• B)wrinkles appear and the skin hangs loose
• C)hair becomes thinner and grayer
• D)melanocytes die and age spots appear
• E)changes in the integumentary system begin in a person's forties

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Definitions:

Bundle of His

A collection of heart muscle cells specialized for electrical conduction that transmits the electrical impulses from the AV node (atrioventricular node) to the ventricles of the heart.

Purkinje Fibers

Specialized conducting fibers located within the heart's ventricular walls that facilitate electrical impulses for heart contractions.

AV Node

The atrioventricular node, a part of the heart's electrical control system that acts as a gatekeeper for electrical impulses between the atria and ventricles.

Parasympathetic Nerve

Nerves that are part of the autonomic nervous system, responsible for conserving energy and slowing down bodily functions.