Which of the following have thickest walls?
Correct answer: A. Arteries
- A. Arteries
- B. Veins
- C. Capillaries
- D. None of these
Explanation
Arteries have the thickest and most muscular and elastic walls because they receive blood at high pressure directly from the ventricles. Students may choose veins because they are larger and may appear substantial, but veins carry blood at lower pressure and therefore have thinner walls.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
About Blood Vessels
Blood vessels include arteries, arterioles, capillaries, venules and veins, whose wall thickness, elasticity, lumen size and valves suit their roles in circulation. Questions compare pressure and blood flow in each vessel and distinguish pulmonary vessels, which carry blood to and from the lungs, from systemic vessels.
Practise Circulation
695 free Circulation MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Biology questions like this
Biology is on 8 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Blood Vessels questions
Cooley's anemia is another name used for___________?
_________ give rise to macrophages, which destroy larger particles by phagocytosis.
95% of the cytoplasm of red blood cells is the___________?
It is the measure of force with which blood pushes up against the walls of blood vessels.
All of the follwing are blood clots except:___________?
It is the discharge of blood from blood vessels?