Choose the Correct Description of a Typical Medium-Sized Vein

question 17

Multiple Choice

Choose the correct description of a typical medium-sized vein.

• A) In these vessels, the thin tunica media is surrounded by a thick tunica externa composed of mostly collagen fibers.
• B) Ranging from 2 mm to 9 mm in diameter, its thin tunica media consists of one to two layers of smooth muscle cells.
• C) It has a diameter of approximately 0.4 cm and has more smooth muscle cells and fewer elastic fibers.
• D) It ranges from 2 mm to 9 mm in diameter, and the relatively thick tunica externa has longitudinal bundles of elastic and collagen fibers.
• E) It has a diameter up to 2.5 cm, and its tunica media is dominated by elastic fibers rather than smooth muscle cells.

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Definitions:

Matrix

The basic format of an appointment book, established by blocking off times on the schedule during which the doctor is able to see patients. Also, the material between the cells of connective tissue.

Connective

This term refers to connective tissue, one of the four major types of tissue in the body, responsible for supporting, connecting, or separating different types of tissues and organs.

Contract

A legally binding agreement between two or more parties that is enforceable by law.

Muscle

A tissue composed of fibers capable of contracting to produce movement in the body.