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Anatomy And Physiology Questions - The Cardiovascular System: The Heart

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Anatomy And Physiology Questions - The Cardiovascular System: The Heart
Questions about the heart. Related to the 'Maturity 1' case unit. One or two questions from the "Fetal" case unit as well.

  
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1.  The second heart sound represents which of the below events?
A.
B.
C.
D.
E.
2.  In the diagram, where is hte marginal branch?
A.
B.
C.
D.
E.
3.  In the diagram, where is the atrioventricular valve?
A.
B.
C.
D.
E.
4.  Which layer of the pericardium consists of dense irregular connective tissue?
A.
B.
C.
D.
E.
5.  These extend into the auricle.
A.
B.
C.
D.
E.
6.  In the diagram, all of the following carry oxygenated blood.
A.
B.
C.
D.
E.
7.  This is the volume of blood ejected from the left ventricle into the aorta each minute.
A.
B.
C.
D.
E.
8.  In a fetus, this structure temporarily shunts blood from the pulmonary trunk into the aorta.
A.
B.
C.
D.
E.
9.  This is used to increase the capacity of the atrium.
A.
B.
C.
D.
E.
10.  This marks the boundarybetween the ventricles.
A.
B.
C.
D.
E.
11.  This part of the brain regulates heart rate.
A.
B.
C.
D.
E.
12.  This portion of the heart wall is responsible for the pumping action.
A.
B.
C.
D.
E.
13.  Which of the below factors would increase stroke volume?
A.
B.
C.
D.
E.
14.  As each atrium contracts where does blood move?
A.
B.
C.
D.
E.
15.  This is the correct sequence of structures that allows the normal sequence of excitation to progress through the heart.
A.
B.
C.
D.
E.
16.  Which layer consists of cardiac muscle tissue?
A.
B.
C.
D.
E.
17.  This part of the heart can initiate a contraction and can set a constant heart rate of about 100 beats per minute.
A.
B.
C.
D.
E.
18.  Which of the below reduces heart rate?
A.
B.
C.
D.
E.
19.  Which of above represents an atrial septal defect?
A.
B.
C.
D.
E.
20.  This is used to reduce the friction between membranes of the heart.
A.
B.
C.
D.
E.
21.  This electrical event triggers contraction of the atria.
A.
B.
C.
D.
E.
22.  This is the mass of tissue from the sternum to the vertebral column between the lungs.
A.
B.
C.
D.
E.
23.  By comparison, cardiac muscle cells have _____________________ contraction plateau time than skeletal muscle cells.
A.
B.
C.
24.  This term refers to the period of time during a cardiac cycle when contraction occurs and blood pressure rises.
A.
B.
C.
D.
E.
25.  Which of the following contains the largest amount of mitochondria?
A.
B.
C.
D.
E.
26.  This consists of mesothelium and connective tissue.
A.
B.
C.
D.
E.
27.  In the diagram, these contain coronary blood vessels and a variable amount of fat.
A.
B.
C.
D.
E.
28.  In the diagram, where is the coronary sulcus?
A.
B.
C.
D.
E.
29.  In the diagram, where is the trabeculae carnae?
A.
B.
C.
D.
E.
30.  As each ventricle contracts where does blood move?
A.
B.
C.
D.
E.
31.  In the diagram, where is the ascending aorta?
A.
B.
C.
D.
E.
32.  This vessel distributes oxygenated blood to the myocardium.
A.
B.
C.
D.
E.
33.  Which of above represents the formation of the primitive heart tube?
A.
B.
C.
D.
E.
34.  In the diagram, where does the blood pass from the right atrium into the right ventricle?
A.
B.
C.
D.
E.
35.  This is the layer that protects the heart.
A.
B.
C.
D.
E.
36.  In this disorder the aortic valve is narrowed.
A.
B.
C.
D.
E.
37.  From the left ventricle, where does blood pass?
A.
B.
C.
D.
E.
38.  This is a network of specialised cardiac muscle fibres that provide a path for each cycle of cardiac excitation to progress through the heart.
A.
B.
C.
D.
E.
39.  This heart structure carries deoxygenated blood.
A.
B.
C.
D.
E.
40.  In the diagram, where is the posterior interventricular branch?
A.
B.
C.
D.
E.
41.  In the diagram, where is the semilunar valve?
A.
B.
C.
D.
E.
42.  Which of above represents coarctation of the aorta?
A.
B.
C.
D.
E.
43.  In the diagram, where is the left auricle of left atrium?
A.
B.
C.
D.
E.
44.  Through which structure does blood pass from the right atrium to the right ventricle?
A.
B.
C.
D.
E.
45.  What types of tissue comprises the vavles of the heart?
A.
B.
C.
D.
E.
46.  What is happening at #2?
A.
B.
C.
D.
E.
47.  In the diagram, this supplies the walls of the ventricles with oxygenated blood.
A.
B.
C.
D.
E.
48.  Which of the following consists of inelastic dense irregular connective tissue?
A.
B.
C.
D.
E.
49.  Where in the figure does depolarization events occur?
A.
B.
C.
D.
E.
50.  Cardiac muscle fibres electrically connect to neighbouring fibres by
A.
B.
C.
D.
E.
51.  Which of these periods represents greatest cardiac output?
A.
B.
C.
D.
E.
52.  Stimulation of this nerve reduces heart rate.
A.
B.
C.
D.
E.
53.  Which of the below structures prevents blood from flowing back from the lungs?
A.
B.
C.
D.
E.
54.  To the which side of the body is the apex of heart pointed?
A.
B.
C.
D.
E.
55.  This is comprised of a thin layer of endothelium overlying a thin layer of connective tissue.
A.
B.
C.
D.
E.
56.  Which of the following represents formation of the endocardial tubes?
A.
B.
C.
D.
E.
57.  This electrical event represents repolarization of the ventricle.
A.
B.
C.
D.
E.
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