Multiple choice

Which of the following statements about veins are false? P. Veins are blood vessels that carry blood away from the heart. Q. The venous valves are folds of the tunica intima. R. Most veins carry oxygenated blood. S. Thrombophlebitis is an inflammatory condition of the veins related to blood clots.

  1. P and Q

  2. P and R

  3. P and S

  4. Q and R

  5. R and S
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Veins are elastic blood vessels that transport blood from various regions of the body to the heart. Most veins carry deoxygenated blood from the tissues back to the heart; exceptions are the pulmonary and umbilical veins, both of which carry oxygenated blood to the heart.

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