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Anatomy And Physiology Questions - The Cardiovascular System: The Heart

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