Question Detail

ZOO 101 ZOO 101 Past Questions Objective Question
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Question

Which of the following is a key structural difference between arteries and veins?
Options
A Arteries have thicker muscular walls
Correct Answer
B Veins lack endothelium
C Arteries contain valves
D Veins carry oxygenated blood
Correct Answer

Option A is the correct answer.

Detailed Explanation

Arteries have thicker tunica media with more smooth muscle and elastic fibers to accommodate high-pressure blood flow; veins have thinner walls and contain valves.

Hint

Pulmonary veins and arteries are exceptions to the oxygenation rule.

Question Info

Course: ZOO 101
Topic: ZOO 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 138 of 2214
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