A&p Ch. 18 - Heart & Cardiovascular Function
The heart is more than just an instrument of love – it’s the most important organ in our bodies, beating blood all around and ensuring we keep ticking away like a fully functioning clock. What do you know about it? Take this quiz on A&P Ch. 18 – Heart & Cardiovascular Function now!
- 1.Most of the middle layer in the heart wall is composed of
- A.
Cardiac muscle cells.
- B.
Chondrocytes.
- C.
Epitheliocytes.
- D.
Fibrocytes.
- E.
Smooth muscle cells.
- 2.Which of the following descriptions matches the term near the left fifth intercostal space?
- A.
Pericardial cavity
- B.
Visceral pericardium
- C.
Apex of heart
- D.
Aorta
- E.
Right atrium
- 3.Intercalated discs serve to transfer ________ from cell to cell.
- A.
Ionic currents
- B.
Action potentials
- C.
The force of contraction
- D.
All of the above
- E.
None of the above
- 4.In the middle of the thoracic cavity is a region occupied by the heart, great vessels, thymus, esophagus, and trachea called the
- A.
Pleural space.
- B.
Pericardial space.
- C.
Mediastinum.
- D.
Cardiac notch.
- E.
Ventral cavity.
- 5.The visceral pericardium is the same as the
- A.
Mediastinum.
- B.
Parietal pericardium.
- C.
Epicardium.
- D.
Myocardium.
- E.
Endocardium.
- 6.The term used to describe fluid collecting in the pericardial cavity that restricts the movement of the heart is known as
- A.
Cardiac tamponade.
- B.
Mitral valve prolapse.
- C.
Pleural effusion.
- D.
Cardiomyopathy.
- E.
Pericarditis.
- 7.The earlike extension of the atrium is the
- A.
Ventricle.
- B.
Coronary sinus.
- C.
Coronary sulcus.
- D.
Auricle.
- E.
Atricle.
- 8.The coronary sulcus is a groove that
- A.
Marks the border between the atria and ventricles.
- B.
Marks the boundary line between the right and left ventricles.
- C.
Marks the boundary line between the right and left atria.
- D.
Separates the atrioventricular valves from the atria.
- E.
Separates the coronary arteries from the coronary veins.
- 9.There are ________ pulmonary veins.
- A.
2
- B.
4
- C.
6
- D.
8
- E.
10
- 10.The interventricular sulci and coronary sulcus contain
- A.
Fat.
- B.
Arteries.
- C.
Veins.
- D.
All of the above
- E.
None of the above
- 11.Blood is supplied to the myocardium by
- A.
The coronary sinus.
- B.
Contact with blood in the pumping chambers.
- C.
The coronary arteries.
- D.
Arteries that branch from the pulmonary arteries.
- E.
None of the above
- 12.The first blood vessels to branch from the aorta are the ________ arteries.
- A.
Pulmonary
- B.
Coronary
- C.
Circumflex
- D.
Carotid
- E.
Subclavian
- 13.The marginal branch and posterior interventricular branch are branches of the
- A.
Right coronary artery.
- B.
Left coronary artery.
- C.
Circumflex artery.
- D.
Coronary sinus.
- E.
Aorta.
- 14.The circumflex branch and the anterior interventricular artery are branches of the
- A.
Right coronary artery.
- B.
Left coronary artery.
- C.
Interventricular artery.
- D.
Coronary sinus.
- E.
Aorta.
- 15.The great and middle cardiac veins drain blood into the
- A.
Superior vena cava.
- B.
Inferior vena cava.
- C.
Coronary sinus.
- D.
Coronary sulcus.
- E.
Aorta.
- 16.The ________ deliver(s) blood to the myocardium.
- A.
Right coronary artery
- B.
Right coronary vein
- C.
Superior vena cava
- D.
Left coronary artery
- E.
Right coronary artery and left coronary artery
- 17.Blood is supplied to the left atrium by the
- A.
Brachiocephalic artery.
- B.
Right coronary artery.
- C.
Left coronary artery.
- D.
Phrenic arteries.
- E.
Pulmonary arteries.
- 18.Coronary veins empty into the
- A.
Left atrium.
- B.
Left ventricle.
- C.
Right atrium.
- D.
Right ventricle.
- E.
Conus arteriosus.
- 19.Blood returning to the heart from the systemic circuit first enters the
- A.
Right atrium.
- B.
Right ventricle.
- C.
Left atrium.
- D.
Left ventricle.
- E.
Conus arteriosus.
- 20.Blood returning to the heart from the pulmonary circuit first enters the
- A.
Right atrium.
- B.
Right ventricle.
- C.
Left atrium.
- D.
Left ventricle.
- E.
Conus arteriosus.
- 21.The atrioventricular valves permit blood flow
- A.
In one direction only.
- B.
In both directions.
- C.
In many directions.
- D.
In opposite directions on the right and left.
- E.
None of the above.
- 22.Blood leaves the right ventricle by passing through the
- A.
Aortic valve.
- B.
Pulmonary valve.
- C.
Mitral valve.
- D.
Tricuspid valve.
- E.
Bicuspid valve.
- 23.The cusps (leaflets) of atrioventricular valves attach directly to
- A.
Papillary muscles.
- B.
Trabeculae carneae.
- C.
Chordae tendineae.
- D.
Interatrial septa.
- E.
Coronary sulci.
- 24.The right ventricle pumps blood to the
- A.
Right and left lungs.
- B.
Left ventricle.
- C.
Left atrium.
- D.
Aorta.
- E.
Right atrium.
- 25.The left ventricle pumps blood to the
- A.
Lungs.
- B.
Right ventricle.
- C.
Right atrium.
- D.
Aorta.
- E.
Pulmonary circuit.
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