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Circulatory system MCQs Quiz Online PDF Download eBook

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"Pulmonary veins carry" Multiple Choice Questions (MCQ) on circulatory system with choices red oxygenated blood, bluish red deoxygenated blood, deoxygenated blood from heart to the lungs, and oxygenated blood from lungs to heart for SAT practice test. Practice circulatory system quiz questions for merit scholarship test and certificate programs for online colleges for teaching.

MCQs on Circulatory system PDF Download eBook

MCQ: Pulmonary veins carry

  1. red oxygenated blood
  2. bluish red deoxygenated blood
  3. deoxygenated blood from heart to the lungs
  4. oxygenated blood from lungs to heart


MCQ: When an artery dilates the

  1. lumen becomes constricted
  2. lumen gets wider
  3. person may appear pale
  4. elastic muscles become ineffective


MCQ: In mammals, Endothelium is

  1. elastic in nature
  2. fully permeable
  3. selectively permeable
  4. non-permeable


MCQ: When the heart relaxes,

  1. person respires
  2. peristalsis movements occur
  3. bile is produced
  4. the heart gets filled with blood


MCQ: Veins do not require thick walls

  1. as they do not have to work harder
  2. they are required only occasionally
  3. the blood pressure declines while it gets to veins
  4. the blood pressures is immense