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MD General Medicine Biology — practice by topic

Browse 28 questions across 3 Biology topics. Choose what you want to revise, then open a question to check its answer and worked solution.

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Biology topics

Biology (28)Heart Anatomy and Conduction (28)Medical Postgraduate (28)

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A student counts the chambers of the human heart. The total is:Read the answer and worked solution →Which chambers act as the main pumping chambers of the heart?Read the answer and worked solution →The right ventricle pumps deoxygenated blood into the:Read the answer and worked solution →Blood from the superior and inferior venae cavae flows into the:Read the answer and worked solution →

Worked practice questions

A student counts the chambers of the human heart. The total is:

  1. Four
  2. Nine
  3. Five
  4. Six
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Correct answer: A. Four

1. Each side has an atrium. 2. Each side also has a ventricle. 3. So there are four chambers. _Source: OpenStax Anatomy and Physiology 2e, Chapter 19, The Cardiovascular System: The Heart._

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Which chambers act as the main pumping chambers of the heart?

  1. Vesicles
  2. Ventricles
  3. Ventricules
  4. Vestibules
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Correct answer: B. Ventricles

1. The atria only pass blood on. 2. The lower chambers do the hard work. 3. Those are the ventricles. _Source: OpenStax Anatomy and Physiology 2e, Chapter 19, The Cardiovascular System: The Heart._

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The right ventricle pumps deoxygenated blood into the:

  1. Pulmonary trunk
  2. Pulmonary cavity
  3. Pulmonary capsule
  4. Pulmonary corpus
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Correct answer: A. Pulmonary trunk

1. The blood is heading to the lungs. 2. One large vessel carries it there. 3. That vessel is the pulmonary trunk. _Source: OpenStax Anatomy and Physiology 2e, Chapter 19, The Cardiovascular System: The Heart._

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