Multiple choice

Which of the following statements is wrong regarding the tunica media? 

  1. The middle coat is composed of a thin layer of connective tissue with elastic fibres.

  2. In the smaller arteries, it consists principally of plain muscle fibres in fine bundles, arranged in lamellو and disposed circularly around the vessel.

  3. In the larger arteries, as the iliac, femoral, and carotid, elastic fibres unite to form lamellو which alternate with the layers of muscular fibres.

  4. In the largest arteries, as the aorta and brachiocephalic, the amount of elastic tissue is very considerable.
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A Correct answer
Explanation

The middle coat is composed of a thick layer of connective tissue with elastic fibres, intermixed, in some veins, with a transverse layer of muscular tissue.

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