Heart Anatomy and Function Quiz
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Questions and Answers

Which circuit of the cardiovascular system includes the left ventricle and aorta?

  • Systemic circuit (correct)
  • Pulmonary circuit
  • Coronary circuit
  • Pulmonary trunk

What is the sequence of events in the transmission of an impulse through the heart muscle?

  • c, d, b, a, f, g, e
  • c, d, a, b, f, g, e (correct)
  • d, c, b, a, f, g, e
  • d, c, a, b, f, g, e

How many half-moon shaped, pocketlike cusps are found in each semilunar valve?

  • 2
  • 4
  • 3 (correct)
  • 1

Which of the following is NOT true regarding smoking?

<p>It makes your breath smell fresh and you suddenly become sexy. (D)</p> Signup and view all the answers

Which of the following statements about the heart's ventricular wall thickness is true?

<p>The left ventricular wall is thicker than the right wall to pump blood with greater pressure. (C)</p> Signup and view all the answers

During the period of ventricular filling, how does blood flow into the ventricles?

<p>Blood flows mostly passively through the atria and the open AV valves into the ventricles. (A)</p> Signup and view all the answers

Which statement accurately describes the heart valves?

<p>The AV valves are supported by chordae tendineae to prevent regurgitation of blood into the atria during ventricular contraction. (A)</p> Signup and view all the answers

According to Boyle's law, the pressure of a gas _________ if the volume of its container increases.

<p>Remains the same (A)</p> Signup and view all the answers

Bronchoconstriction results from relaxation of smooth muscle in the walls of airways.

<p>False (A)</p> Signup and view all the answers

The terms 'upper respiratory system' and 'lower respiratory system' are ___________ categorizations of the respiratory system.

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

Which statement is accurate?

<p>Filtration dominates at the arterial end of a capillary bed, and is driven by hydrostatic pressure. (C)</p> Signup and view all the answers

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