Question and Answers
1. The combining form arter/o mean
~Ans~ artery.
2. The combining form atri/o means
~Ans~ atrium.
3. The combining form ventricul/o means
~Ans~ ventricle.
4. The combining form ven/o means
~Ans~ vein.
5. The combining form tachy/ means
~Ans~ rapid.
6. Pericardi/o, Ventricul/o, Atri/o word roots all
,~Ans~ describe a heart structure.
7. The pericardium is a
~Ans~ fluid-filled, double-walled membrane that surrounds the heart.
8. The visceral pericardium is the outer layer of the pericardium is a
~Ans~ statement about the pericardium that is false.
9. The endocardium is the
~Ans~ tissue that lines the hearts four chambers.
10. The atria
~Ans~ are the superior chambers of the heart.
11. The ventricles
~Ans~ are the inferior chambers of the heart.
12. The atria
~Ans~ receive blood.
,13. The ventricles
~Ans~ pump blood.
14. The coronary sulcus
~Ans~ marks the separation of the atria from the ventricles.
15. The interventricular septum
~Ans~ separates the right ventricle from the left ventricle.
16. The interatrial septum separates the two atria from each other.
~Ans~ (None of the answers)
17. The atrioventricular valve
~Ans~ separates the atria from the ventricles.
18. The tricuspid valve
~Ans~ lies between the right atrium and the right ventricle.
19. Tendinous chords
~Ans~ attach the valve to the papillary muscle.
, 20. The semilunar valves are the pulmonary valve and
~Ans~ the aortic valve.
21. Intercalated discs allow the atrium or ventricles to contract simultaneously
~Ans~ is true about cardiac muscle tissue.
22. The purpose of intercalated discs in cardiac muscle tissue is
~Ans~ that intercalated discs allow the atrium or ventricles to contract
simultaneously and allow fast electrical transmission between cells.
23. Cardiac cells have fewer mitochondria
~Ans~ is not an adaptation of the heart that allows it to use aerobic respiration.
24. Deoxygenated blood enters the heart from the body through the
~Ans~ Superior vena cava.
25. Blood enters into the
~Ans~ right atrium in the heart from the superior and inferior vena cavae