The First Branches of the Aorta Are the

question 17

Multiple Choice

The first branches of the aorta are the

• A)right and left subclavian arteries.
• B)right and left pulmonary arteries.
• C)common carotid arteries.
• D)right and left coronary arteries.
• E)brachiocephalic arteries.

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Definitions:

Spinal Segments

Sections of the spinal cord that correspond to the vertebrae, from which spinal nerves emerge to innervate specific areas of the body.

Myelin

A fatty substance that surrounds and insulates the axons of some neurons, allowing for faster transmission of electrical signals along the nerve cells.

Endoneurium

The delicate connective tissue surrounding each nerve fiber within a peripheral nerve, providing mechanical and physiological support to individual axons.

Functional Unit

The smallest component of a structure or system that is capable of performing all of the system's necessary functions.