Tests Your Basic Knowledge Of This Important Organ Of Heart

20 Questions | By Nate7779 | Updated: Mar 22, 2022 | Attempts: 132

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The heart is one small organ in living organisms that helps to pump blood to the differed parts of the body. It never stops. The heart quiz below tests your basic knowledge of this important organ.

Questions and Answers

1.

The normal heart is the size of a
- A.
  
  Foot.
- B.
  
  Cherry.
- C.
  
  Man’s fist.
- D.
  
  Watermelon.
2.

The top of the heart where the great vessels emerge is the
- A.
  
  Apex.
- B.
  
  Base.
- C.
  
  Chordae tendonae.
- D.
  
  Tricuspid valve.
3.

The fibrous tissue that divides the heart into right and left sides is the
- A.
  
  Chordae tendonae
- B.
  
  Papillary muscle.
- C.
  
  Septum.
- D.
  
  Pulmonic valve.
4.

The apex of the heart is located at the
- A.
  
  Top of the heart, where the great vessels emerge.
- B.
  
  Right side of the heart.
- C.
  
  Bottom of the heart, at the leftmost tip.
- D.
  
  The back wall of the heart.
5.

Pericardial fluid
- A.
  
  Decreases friction of the pericardial layers as they rub against each other.
- B.
  
  Prevents backflow of blood from one chamber to the other.
- C.
  
  Circulates through the heart’s chambers.
- D.
  
  Lubricates the electrical system of the heart.
6.

The innermost layer of the heart is the
- A.
  
  Epicardium.
- B.
  
  Pericardium.
- C.
  
  Endocardium.
- D.
  
  Myocardium.
7.

The layer of the heart that is damaged during a heart attack is the
- A.
  
  Epicardium.
- B.
  
  Pericardium.
- C.
  
  Endocardium.
- D.
  
  Myocardium.
8.

Which of these statements about the pericardium is NOT TRUE?
- A.
  
  It anchors the heart to the diaphragm and great vessels
- B.
  
  It is a two-layer sac enclosing the heart.
- C.
  
  It serves as protection for the heart.
- D.
  
  It is the wall of the heart that is damaged in a heart attack.
9.

Which of the following statements about the right atrium is true?
- A.
  
  It is a receiving chamber for oxygenated blood returning from the lungs.
- B.
  
  It is the major pumping chamber of the heart.
- C.
  
  It is about 100% saturated with oxygen.
- D.
  
  It is the receiving chamber for deoxygenated blood coming from the vena cava.
10.

Which heart chamber delivers oxygenated blood to the entire body?
- A.
  
  Right atrium
- B.
  
  Right ventricle
- C.
  
  Left atrium
- D.
  
  Left ventricle
11.

The heart’s valves open and close in response to changes in
- A.
  
  Oxygenation.
- B.
  
  Sodium and potassium concentration.
- C.
  
  Pressure.
- D.
  
  The heart’s pacemaker.
12.

Heart valves serve what purpose?
- A.
  
  They prevent blood from flowing forward.
- B.
  
  They prevent oxygenated blood from flowing through the coronary arteries.
- C.
  
  They prevent backflow of blood.
- D.
  
  They control the heart’s electrical signals.
13.

The valve that separates the right atrium and right ventricle is the
- A.
  
  Mitral valve.
- B.
  
  Pulmonic valve.
- C.
  
  Aortic valve.
- D.
  
  Tricuspid valve.
14.

The heart valve found at the opening of the pulmonary artery is the
- A.
  
  Aortic valve.
- B.
  
  Tricuspid valve.
- C.
  
  Mitral valve.
- D.
  
  Pulmonic valve.
15.

Which of the following are both AV valves?
- A.
  
  Tricuspid and mitral valves
- B.
  
  Aortic and mitral valves
- C.
  
  Mitral and pulmonic valves
- D.
  
  Aortic and pulmonic valves
16.

The first heart sound (S1) is associated with closure of which heart valves?
- A.
  
  Mitral and aortic
- B.
  
  Tricuspid and pulmonic
- C.
  
  Tricuspid and mitral
- D.
  
  Aortic and pulmonic
17.

The second heart sound (S2) is associated with closure of which heart valves?
- A.
  
  Mitral and aortic
- B.
  
  Tricuspid and pulmonic
- C.
  
  Tricuspid and mitral
- D.
  
  Aortic and pulmonic
18.

The structure that prevents backflow of blood is the
- A.
  
  Trebeculae carnae.
- B.
  
  Superior vena cava.
- C.
  
  Papillary muscle.
- D.
  
  Valve.
19.

What causes heart sounds?
- A.
  
  Blood traveling through the heart
- B.
  
  Opening of the heart valves
- C.
  
  Closing of the heart valves
- D.
  
  Blood hitting an obstruction in the peripheral circulation
20.

Through which structure must the blood travel in order to leave the right ventricle?
- A.
  
  Right atrium
- B.
  
  Tricuspid valve
- C.
  
  Left ventricle
- D.
  
  Pulmonic valve