Anatomy And Physiology Questions - The Cardiovascular System: The Heart

57 Questions  I  By Hermine0817
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.  Which of above represents an atrial septal defect?
A.
B.
C.
D.
E.
2.  By comparison, cardiac muscle cells have _____________________ contraction plateau time than skeletal muscle cells.
A.
B.
C.
3.  Cardiac muscle fibres electrically connect to neighbouring fibres by
A.
B.
C.
D.
E.
4.  Which layer of the pericardium consists of dense irregular connective tissue?
A.
B.
C.
D.
E.
5.  In the diagram, where does the blood pass from the right atrium into the right ventricle?
A.
B.
C.
D.
E.
6.  In the diagram, where is the left auricle of left atrium?
A.
B.
C.
D.
E.
7.  From the left ventricle, where does blood pass?
A.
B.
C.
D.
E.
8.  This is the correct sequence of structures that allows the normal sequence of excitation to progress through the heart.
A.
B.
C.
D.
E.
9.  Which of the following consists of inelastic dense irregular connective tissue?
A.
B.
C.
D.
E.
10.  As each ventricle contracts where does blood move?
A.
B.
C.
D.
E.
11.  In the diagram, where is the ascending aorta?
A.
B.
C.
D.
E.
12.  Which of the below reduces heart rate?
A.
B.
C.
D.
E.
13.  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.
14.  Which of the following represents formation of the endocardial tubes?
A.
B.
C.
D.
E.
15.  This electrical event triggers contraction of the atria.
A.
B.
C.
D.
E.
16.  In the diagram, all of the following carry oxygenated blood.
A.
B.
C.
D.
E.
17.  Which of the following contains the largest amount of mitochondria?
A.
B.
C.
D.
E.
18.  This is comprised of a thin layer of endothelium overlying a thin layer of connective tissue.
A.
B.
C.
D.
E.
19.  In a fetus, this structure temporarily shunts blood from the pulmonary trunk into the aorta.
A.
B.
C.
D.
E.
20.  In the diagram, where is the trabeculae carnae?
A.
B.
C.
D.
E.
21.  This electrical event represents repolarization of the ventricle.
A.
B.
C.
D.
E.
22.  This part of the brain regulates heart rate.
A.
B.
C.
D.
E.
23.  In the diagram, where is the coronary sulcus?
A.
B.
C.
D.
E.
24.  In the diagram, where is the atrioventricular valve?
A.
B.
C.
D.
E.
25.  Which of the below factors would increase stroke volume?
A.
B.
C.
D.
E.
26.  Which of above represents the formation of the primitive heart tube?
A.
B.
C.
D.
E.
27.  This is used to reduce the friction between membranes of the heart.
A.
B.
C.
D.
E.
28.  This is the layer that protects the heart.
A.
B.
C.
D.
E.
29.  In the diagram, these contain coronary blood vessels and a variable amount of fat.
A.
B.
C.
D.
E.
30.  Stimulation of this nerve reduces heart rate.
A.
B.
C.
D.
E.
31.  Through which structure does blood pass from the right atrium to the right ventricle?
A.
B.
C.
D.
E.
32.  In the diagram, where is hte marginal branch?
A.
B.
C.
D.
E.
33.  In this disorder the aortic valve is narrowed.
A.
B.
C.
D.
E.
34.  This is the mass of tissue from the sternum to the vertebral column between the lungs.
A.
B.
C.
D.
E.
35.  This term refers to the period of time during a cardiac cycle when contraction occurs and blood pressure rises.
A.
B.
C.
D.
E.
36.  This is used to increase the capacity of the atrium.
A.
B.
C.
D.
E.
37.  Which of the below structures prevents blood from flowing back from the lungs?
A.
B.
C.
D.
E.
38.  What is happening at #2?
A.
B.
C.
D.
E.
39.  Which of these periods represents greatest cardiac output?
A.
B.
C.
D.
E.
40.  In the diagram, where is the semilunar valve?
A.
B.
C.
D.
E.
41.  To the which side of the body is the apex of heart pointed?
A.
B.
C.
D.
E.
42.  This is the volume of blood ejected from the left ventricle into the aorta each minute.
A.
B.
C.
D.
E.
43.  What types of tissue comprises the vavles of the heart?
A.
B.
C.
D.
E.
44.  This marks the boundarybetween the ventricles.
A.
B.
C.
D.
E.
45.  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.
46.  Where in the figure does depolarization events occur?
A.
B.
C.
D.
E.
47.  The second heart sound represents which of the below events?
A.
B.
C.
D.
E.
48.  This portion of the heart wall is responsible for the pumping action.
A.
B.
C.
D.
E.
49.  As each atrium contracts where does blood move?
A.
B.
C.
D.
E.
50.  In the diagram, where is the posterior interventricular branch?
A.
B.
C.
D.
E.
51.  Which of above represents coarctation of the aorta?
A.
B.
C.
D.
E.
52.  In the diagram, this supplies the walls of the ventricles with oxygenated blood.
A.
B.
C.
D.
E.
53.  Which layer consists of cardiac muscle tissue?
A.
B.
C.
D.
E.
54.  This heart structure carries deoxygenated blood.
A.
B.
C.
D.
E.
55.  These extend into the auricle.
A.
B.
C.
D.
E.
56.  This vessel distributes oxygenated blood to the myocardium.
A.
B.
C.
D.
E.
57.  This consists of mesothelium and connective tissue.
A.
B.
C.
D.
E.
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