Blood Composition and Functions Quiz

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Questions and Answers

Blood is composed of two main components. What are they?

  • Plasma and leukocytes
  • Plasma and erythrocytes (correct)
  • Erythrocytes and thrombocytes
  • Leukocytes and thrombocytes

What is the function of blood plasma?

  • Carrying nutrients
  • Transporting oxygen
  • Dissolving and suspending various cells and cell fragments (correct)
  • Forming blood clots

What is the normal pH range of blood?

  • 6.0 to 6.5
  • 7.0 to 7.5
  • 8.0 to 8.5
  • 7.35 to 7.45 (correct)

What is the ABO blood group system based on?

<p>Presence or absence of antigens on red blood cells (C)</p> Signup and view all the answers

What is the RH factor in blood?

<p>A protein found on red blood cells (A)</p> Signup and view all the answers

Which of the following is NOT one of the major structures of the cardiovascular system?

<p>Lungs (B)</p> Signup and view all the answers

Where is the heart located in the body?

<p>In the thoracic cavity (D)</p> Signup and view all the answers

What is the approximate size of the heart?

<p>12 cm long, 9 cm wide, and 6 cm thick (D)</p> Signup and view all the answers

Where does two-thirds of the mass of the heart lie?

<p>To the left of the body midline (A)</p> Signup and view all the answers

What is the mediastinum?

<p>A mass of tissue that extends from the sternum to the vertebral column (C)</p> Signup and view all the answers

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