Question:
Select the INCORRECT statement.
The T.S. of an artery shows __________.
Select the INCORRECT statement.
The T.S. of an artery shows __________.
The T.S. of an artery shows __________.
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Arteries carry blood under high pressure; compare their wall and lumen with veins.
Updated On: Nov 12, 2026
- thicker tunica externa and tough layer of collagen fibres
- thinner tunica media and wider lumen.
- tesselations in the angular margin around the lumen
- lack of valves.
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The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept
An artery carries blood at high pressure, so its wall is built to withstand it.
Step 2: Check the statements
The tunica externa is thick with collagen fibres, which is correct.
The lumen margin looks wavy (tessellated) because of the elastic lamina, which is correct.
Arteries have no valves, which is correct.
Step 3: Find the wrong one
An artery has a thick tunica media and a narrow lumen. A thin tunica media with a wide lumen is a vein feature, so that statement is incorrect.
Final Answer:
The statement about a thinner tunica media and wider lumen is incorrect for an artery. \[ \boxed{\text{(B) }\text{thinner tunica media and wider lumen.}} \]
An artery carries blood at high pressure, so its wall is built to withstand it.
Step 2: Check the statements
The tunica externa is thick with collagen fibres, which is correct.
The lumen margin looks wavy (tessellated) because of the elastic lamina, which is correct.
Arteries have no valves, which is correct.
Step 3: Find the wrong one
An artery has a thick tunica media and a narrow lumen. A thin tunica media with a wide lumen is a vein feature, so that statement is incorrect.
Final Answer:
The statement about a thinner tunica media and wider lumen is incorrect for an artery. \[ \boxed{\text{(B) }\text{thinner tunica media and wider lumen.}} \]
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