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Circulatory system Multiple Choice Questions with Answers – PDF Download

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The MCQ: Pulmonary veins carry; "Circulatory system MCQs" App Download [Free] with answers: red oxygenated blood, bluish red deoxygenated blood, deoxygenated blood from heart to the lungs, and oxygenated blood from lungs to heart for online certificate programs. Practice Circulatory system Quiz Questions, download Google e-Book (Free Chapter) for best online SAT prep class.

Circulatory system MCQs PDF Download – Prep Test

MCQ: 1

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: 2

When an artery dilates the

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

In mammals, Endothelium is

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

When the heart relaxes,

  1. person respires
  2. peristalsis movements occur
  3. bile is produced
  4. the heart gets filled with blood
MCQ: 5

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

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