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