Chapter 20 - The Cardiovascular System: The Heart

46 Questions  I  By Larainahailey on May 23, 2010
Chapter 20 self quiz questions from Wiley book

  

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1.  Pumps oxygenated blood to all body cells, except the air sacs of the lungs.Enter 1-22 without spaces/parenthesis. (1) right atrium; (2) right ventricle; (3) left atrium; (4) left ventricle; (5) tricuspid valve; (6) bicuspid (mitral) valve; (7) chordae tendinae; (8) auricles; (9) papillary muscles; (10) trabeculae carnae; (11) fibrous pericardium; (12) parietal pericardium; (13) epicardium; (14) myocardium; (15) endocardium; (16) atrioventricular valves; (17) semilunar valves; (18) intercalcalated discs; (19) sulci; (20) septum; (21) fossa ovalis; (22) coronary circulation
2.  Inner visceral layer of the pericardium; adheres tightly to the surface of the heart.Enter 1-22 without spaces/parenthesis. (1) right atrium; (2) right ventricle; (3) left atrium; (4) left ventricle; (5) tricuspid valve; (6) bicuspid (mitral) valve; (7) chordae tendinae; (8) auricles; (9) papillary muscles; (10) trabeculae carnae; (11) fibrous pericardium; (12) parietal pericardium; (13) epicardium; (14) myocardium; (15) endocardium; (16) atrioventricular valves; (17) semilunar valves; (18) intercalcalated discs; (19) sulci; (20) septum; (21) fossa ovalis; (22) coronary circulation
3.  Grooves on the surface of the heart which delineate the external boundaries between the chambers.Enter 1-22 without spaces/parenthesis. (1) right atrium; (2) right ventricle; (3) left atrium; (4) left ventricle; (5) tricuspid valve; (6) bicuspid (mitral) valve; (7) chordae tendinae; (8) auricles; (9) papillary muscles; (10) trabeculae carnae; (11) fibrous pericardium; (12) parietal pericardium; (13) epicardium; (14) myocardium; (15) endocardium; (16) atrioventricular valves; (17) semilunar valves; (18) intercalcalated discs; (19) sulci; (20) septum; (21) fossa ovalis; (22) coronary circulation
4.  Collects oxygenated blood from the pulmonary circulation.Enter 1-22 without spaces/parenthesis. (1) right atrium; (2) right ventricle; (3) left atrium; (4) left ventricle; (5) tricuspid valve; (6) bicuspid (mitral) valve; (7) chordae tendinae; (8) auricles; (9) papillary muscles; (10) trabeculae carnae; (11) fibrous pericardium; (12) parietal pericardium; (13) epicardium; (14) myocardium; (15) endocardium; (16) atrioventricular valves; (17) semilunar valves; (18) intercalcalated discs; (19) sulci; (20) septum; (21) fossa ovalis; (22) coronary circulation
5.  Amount of blood remaining in the ventricles following ventricular contraction.Enter 1-7 without spaces/parenthesis. For multiple responses, enter #,#.  (1) cardiac reserve; (2) stroke volume; (3) end-diastolic volume EDV; (4) isovolumetric relaxation; (5) end-systolic volume ESV; (6) ventricular ejection; (7) isovolumetric contraction
6.  Amount of blood contained in the ventricles at the end of ventricular relaxation.  Enter 1-7 without spaces/parenthesis. For multiple responses, enter #,#.  (1) cardiac reserve; (2) stroke volume; (3) end-diastolic volume EDV; (4) isovolumetric relaxation; (5) end-systolic volume ESV; (6) ventricular ejection; (7) isovolumetric contraction
7.  Separate the upper and lower heart chambers, preventing backflow of blood from the ventricles back into the atria.Enter 1-22 without spaces/parenthesis. (1) right atrium; (2) right ventricle; (3) left atrium; (4) left ventricle; (5) tricuspid valve; (6) bicuspid (mitral) valve; (7) chordae tendinae; (8) auricles; (9) papillary muscles; (10) trabeculae carnae; (11) fibrous pericardium; (12) parietal pericardium; (13) epicardium; (14) myocardium; (15) endocardium; (16) atrioventricular valves; (17) semilunar valves; (18) intercalcalated discs; (19) sulci; (20) septum; (21) fossa ovalis; (22) coronary circulation
8.  Pumps deoxygenated blood to lungs for oxygenation.Enter 1-22 without spaces/parenthesis. (1) right atrium; (2) right ventricle; (3) left atrium; (4) left ventricle; (5) tricuspid valve; (6) bicuspid (mitral) valve; (7) chordae tendinae; (8) auricles; (9) papillary muscles; (10) trabeculae carnae; (11) fibrous pericardium; (12) parietal pericardium; (13) epicardium; (14) myocardium; (15) endocardium; (16) atrioventricular valves; (17) semilunar valves; (18) intercalcalated discs; (19) sulci; (20) septum; (21) fossa ovalis; (22) coronary circulation
9.  Cardiac muscle tissue.Enter 1-22 without spaces/parenthesis. (1) right atrium; (2) right ventricle; (3) left atrium; (4) left ventricle; (5) tricuspid valve; (6) bicuspid (mitral) valve; (7) chordae tendinae; (8) auricles; (9) papillary muscles; (10) trabeculae carnae; (11) fibrous pericardium; (12) parietal pericardium; (13) epicardium; (14) myocardium; (15) endocardium; (16) atrioventricular valves; (17) semilunar valves; (18) intercalcalated discs; (19) sulci; (20) septum; (21) fossa ovalis; (22) coronary circulation
10.  Endothelial cells lining the interior of the heart; are continuous with the endothelium of blood vessels.Enter 1-22 without spaces/parenthesis. (1) right atrium; (2) right ventricle; (3) left atrium; (4) left ventricle; (5) tricuspid valve; (6) bicuspid (mitral) valve; (7) chordae tendinae; (8) auricles; (9) papillary muscles; (10) trabeculae carnae; (11) fibrous pericardium; (12) parietal pericardium; (13) epicardium; (14) myocardium; (15) endocardium; (16) atrioventricular valves; (17) semilunar valves; (18) intercalcalated discs; (19) sulci; (20) septum; (21) fossa ovalis; (22) coronary circulation
11.  Which of the following would not increase stroke volume? 
A.
B.
C.
D.
E.
12.  Amount of blood ejected per beat by each ventricle.Enter 1-7 without spaces/parenthesis. For multiple responses, enter #,#.  (1) cardiac reserve; (2) stroke volume; (3) end-diastolic volume EDV; (4) isovolumetric relaxation; (5) end-systolic volume ESV; (6) ventricular ejection; (7) isovolumetric contraction
13.  Prevents backflow of blood from the right ventricle into the right atrium.Enter 1-22 without spaces/parenthesis. (1) right atrium; (2) right ventricle; (3) left atrium; (4) left ventricle; (5) tricuspid valve; (6) bicuspid (mitral) valve; (7) chordae tendinae; (8) auricles; (9) papillary muscles; (10) trabeculae carnae; (11) fibrous pericardium; (12) parietal pericardium; (13) epicardium; (14) myocardium; (15) endocardium; (16) atrioventricular valves; (17) semilunar valves; (18) intercalcalated discs; (19) sulci; (20) septum; (21) fossa ovalis; (22) coronary circulation
14.  Which of the following are true concerning action potentials and contraction in the myocardium?  (1) The refractory period in a cardiac muscle fiber is very brief.  (2) The binding of Ca2 to troponin allows the interaction of actin and myosin filaments, resulting in contraction.  (3) Repolarization occurs when the voltage-gated K+ channels open and calcium channels are closing.  (4) Opening of voltage-gated fast Na+ channels results in depolarization. (5) Opening of voltage-gated slow Ca2 channels results in a period of maintained depolarization, known as the plateau.
A.
B.
C.
D.
E.
15.  The remnant of the foramen ovale, an opening in the interatrial septum of the fetal heart.Enter 1-22 without spaces/parenthesis. (1) right atrium; (2) right ventricle; (3) left atrium; (4) left ventricle; (5) tricuspid valve; (6) bicuspid (mitral) valve; (7) chordae tendinae; (8) auricles; (9) papillary muscles; (10) trabeculae carnae; (11) fibrous pericardium; (12) parietal pericardium; (13) epicardium; (14) myocardium; (15) endocardium; (16) atrioventricular valves; (17) semilunar valves; (18) intercalcalated discs; (19) sulci; (20) septum; (21) fossa ovalis; (22) coronary circulation
16.  Left atrioventricular valve.Enter 1-22 without spaces/parenthesis. (1) right atrium; (2) right ventricle; (3) left atrium; (4) left ventricle; (5) tricuspid valve; (6) bicuspid (mitral) valve; (7) chordae tendinae; (8) auricles; (9) papillary muscles; (10) trabeculae carnae; (11) fibrous pericardium; (12) parietal pericardium; (13) epicardium; (14) myocardium; (15) endocardium; (16) atrioventricular valves; (17) semilunar valves; (18) intercalcalated discs; (19) sulci; (20) septum; (21) fossa ovalis; (22) coronary circulation
17.  The Frank-Starling law of the the heart equalizes the output of the right and left ventricles and keeps the same volume of blood flowing to both the systemic and pulmonary circulation.
A.
B.
18.  Represents the time when the ventricular contractile fibers are fully depolarized; occurs during the plateau phase of the action potential.Enter 1-6 without spaces/parenthesis. (1) P wave; (2) QRS complex; (3) T wave; (4) P-Q interval; (5) S-T segment; (6) Q-T interval
19.  Period of time when semilunar valves are open and blood flows out of the ventricles.Enter 1-7 without spaces/parenthesis. For multiple responses, enter #,#.  (1) cardiac reserve; (2) stroke volume; (3) end-diastolic volume EDV; (4) isovolumetric relaxation; (5) end-systolic volume ESV; (6) ventricular ejection; (7) isovolumetric contraction
20.  The phase of heart contraction is called _______ and the phase of relaxation is called _____.
A.
B.
21.  Collects deoxygenated blood from the systemic circulation.Enter 1-22 without spaces/parenthesis. (1) right atrium; (2) right ventricle; (3) left atrium; (4) left ventricle; (5) tricuspid valve; (6) bicuspid (mitral) valve; (7) chordae tendinae; (8) auricles; (9) papillary muscles; (10) trabeculae carnae; (11) fibrous pericardium; (12) parietal pericardium; (13) epicardium; (14) myocardium; (15) endocardium; (16) atrioventricular valves; (17) semilunar valves; (18) intercalcalated discs; (19) sulci; (20) septum; (21) fossa ovalis; (22) coronary circulation
22.  The chamber of the heart with the thickest myocardium is the ________.
A.
B.
C.
D.
23.  Tendon-like cords connected to the atrioventricular valve cusps which, along with the papillary muscles, prevent valve eversion.Enter 1-22 without spaces/parenthesis. (1) right atrium; (2) right ventricle; (3) left atrium; (4) left ventricle; (5) tricuspid valve; (6) bicuspid (mitral) valve; (7) chordae tendinae; (8) auricles; (9) papillary muscles; (10) trabeculae carnae; (11) fibrous pericardium; (12) parietal pericardium; (13) epicardium; (14) myocardium; (15) endocardium; (16) atrioventricular valves; (17) semilunar valves; (18) intercalcalated discs; (19) sulci; (20) septum; (21) fossa ovalis; (22) coronary circulation
24.  The external boundary between the atria and ventricles is the _____________.
A.
B.
C.
D.
E.
25.  Which of the following is the correct route of blood through the heart from the systemic circulation to the pulmonary circulation and back to the systemic circulation?
A.
B.
C.
D.
E.
26.  A softball player is found to have a resting cardiac output of 5.0 liters per minute and a heart rate of 50 beats per minute.  What is her stroke volume?
A.
B.
C.
D.
E.
27.  Represents the onset of ventricular depolarization.Enter 1-6 without spaces/parenthesis. (1) P wave; (2) QRS complex; (3) T wave; (4) P-Q interval; (5) S-T segment; (6) Q-T interval
28.  Prevent backflow of blood from the arteries into the ventricles.Enter 1-22 without spaces/parenthesis. (1) right atrium; (2) right ventricle; (3) left atrium; (4) left ventricle; (5) tricuspid valve; (6) bicuspid (mitral) valve; (7) chordae tendinae; (8) auricles; (9) papillary muscles; (10) trabeculae carnae; (11) fibrous pericardium; (12) parietal pericardium; (13) epicardium; (14) myocardium; (15) endocardium; (16) atrioventricular valves; (17) semilunar valves; (18) intercalcalated discs; (19) sulci; (20) septum; (21) fossa ovalis; (22) coronary circulation
29.  Blood vessels that pierce the heart muscle and supply blood to the cardiac muscle fibers.Enter 1-22 without spaces/parenthesis. (1) right atrium; (2) right ventricle; (3) left atrium; (4) left ventricle; (5) tricuspid valve; (6) bicuspid (mitral) valve; (7) chordae tendinae; (8) auricles; (9) papillary muscles; (10) trabeculae carnae; (11) fibrous pericardium; (12) parietal pericardium; (13) epicardium; (14) myocardium; (15) endocardium; (16) atrioventricular valves; (17) semilunar valves; (18) intercalcalated discs; (19) sulci; (20) septum; (21) fossa ovalis; (22) coronary circulation
30.  Which of the following represents the correct pathway for conduction of an action potential through the heart?
A.
B.
C.
D.
E.
31.  Internal wall dividing the chambers of the heart.Enter 1-22 without spaces/parenthesis. (1) right atrium; (2) right ventricle; (3) left atrium; (4) left ventricle; (5) tricuspid valve; (6) bicuspid (mitral) valve; (7) chordae tendinae; (8) auricles; (9) papillary muscles; (10) trabeculae carnae; (11) fibrous pericardium; (12) parietal pericardium; (13) epicardium; (14) myocardium; (15) endocardium; (16) atrioventricular valves; (17) semilunar valves; (18) intercalcalated discs; (19) sulci; (20) septum; (21) fossa ovalis; (22) coronary circulation
32.  Ridges formed by raised bundles of cardiac muscle fibers.Enter 1-22 without spaces/parenthesis. (1) right atrium; (2) right ventricle; (3) left atrium; (4) left ventricle; (5) tricuspid valve; (6) bicuspid (mitral) valve; (7) chordae tendinae; (8) auricles; (9) papillary muscles; (10) trabeculae carnae; (11) fibrous pericardium; (12) parietal pericardium; (13) epicardium; (14) myocardium; (15) endocardium; (16) atrioventricular valves; (17) semilunar valves; (18) intercalcalated discs; (19) sulci; (20) septum; (21) fossa ovalis; (22) coronary circulation
33.  Which of the following are true?  (1) ANS regulation of heart rate originates in the cardiovascular center of the medulla oblongata. (2) Proprioceptor input is a major stimulus that accounts for the rapid rise in heart rate at the onset of physical activity.  (3) The vagus nerve releases norepinephrine, causing the heart rate to increase.  (4) Hormones from the adrenal medulla and the thyroid gland can increase the heart rate.  (5) Hypothermia increases the heart rate.
A.
B.
C.
D.
E.
34.  The gap junction and desmosome connections between individual cardiac muscle fibers.Enter 1-22 without spaces/parenthesis. (1) right atrium; (2) right ventricle; (3) left atrium; (4) left ventricle; (5) tricuspid valve; (6) bicuspid (mitral) valve; (7) chordae tendinae; (8) auricles; (9) papillary muscles; (10) trabeculae carnae; (11) fibrous pericardium; (12) parietal pericardium; (13) epicardium; (14) myocardium; (15) endocardium; (16) atrioventricular valves; (17) semilunar valves; (18) intercalcalated discs; (19) sulci; (20) septum; (21) fossa ovalis; (22) coronary circulation
35.  Indicates ventricular repolarization.  Enter 1-6 without spaces/parenthesis. (1) P wave; (2) QRS complex; (3) T wave; (4) P-Q interval; (5) S-T segment; (6) Q-T interval
36.  In auscultation, the lubb represents closing of the semilunar valves and the dubb represents closing of the atrioventricular valves.
A.
B.
37.  Period of time when all four valves are closed and ventricular blood volume does not change.Enter 1-7 without spaces/parenthesis. For multiple responses, enter #,#.  (1) cardiac reserve; (2) stroke volume; (3) end-diastolic volume EDV; (4) isovolumetric relaxation; (5) end-systolic volume ESV; (6) ventricular ejection; (7) isovolumetric contraction
38.  Represents atrial depolarization.Enter 1-6 without spaces/parenthesis. (1) P wave; (2) QRS complex; (3) T wave; (4) P-Q interval; (5) S-T segment; (6) Q-T interval
39.  Period of time when cardiac muscle fibers are contracting & exerting force but not shortening.Enter 1-7 without spaces/parenthesis. For multiple responses, enter #,#.  (1) cardiac reserve; (2) stroke volume; (3) end-diastolic volume EDV; (4) isovolumetric relaxation; (5) end-systolic volume ESV; (6) ventricular ejection; (7) isovolumetric contraction
40.  Difference between a person's maximum cardiac output and cardiac output at rest.Enter 1-7 without spaces/parenthesis. For multiple responses, enter #,#.  (1) cardiac reserve; (2) stroke volume; (3) end-diastolic volume EDV; (4) isovolumetric relaxation; (5) end-systolic volume ESV; (6) ventricular ejection; (7) isovolumetric contraction
41.  Outer layer of the serous pericardium; is fused to the fibrous pericardium.Enter 1-22 without spaces/parenthesis. (1) right atrium; (2) right ventricle; (3) left atrium; (4) left ventricle; (5) tricuspid valve; (6) bicuspid (mitral) valve; (7) chordae tendinae; (8) auricles; (9) papillary muscles; (10) trabeculae carnae; (11) fibrous pericardium; (12) parietal pericardium; (13) epicardium; (14) myocardium; (15) endocardium; (16) atrioventricular valves; (17) semilunar valves; (18) intercalcalated discs; (19) sulci; (20) septum; (21) fossa ovalis; (22) coronary circulation
42.  Represents the conduction time from the beginning of atrial excitation to the beginning of ventricular excitation.Enter 1-6 without spaces/parenthesis. (1) P wave; (2) QRS complex; (3) T wave; (4) P-Q interval; (5) S-T segment; (6) Q-T interval
43.  Their contraction pulls on & tightens the chordae tendineae, preventing the valve cusps from everting.Enter 1-22 without spaces/parenthesis. (1) right atrium; (2) right ventricle; (3) left atrium; (4) left ventricle; (5) tricuspid valve; (6) bicuspid (mitral) valve; (7) chordae tendinae; (8) auricles; (9) papillary muscles; (10) trabeculae carnae; (11) fibrous pericardium; (12) parietal pericardium; (13) epicardium; (14) myocardium; (15) endocardium; (16) atrioventricular valves; (17) semilunar valves; (18) intercalcalated discs; (19) sulci; (20) septum; (21) fossa ovalis; (22) coronary circulation
44.  Represents the time from the beginning of ventricular depolarization to the end of ventricular repolarization.Enter 1-6 without spaces/parenthesis. (1) P wave; (2) QRS complex; (3) T wave; (4) P-Q interval; (5) S-T segment; (6) Q-T interval
45.  The superficial dense irregular connective tissue covering the heart.Enter 1-22 without spaces/parenthesis. (1) right atrium; (2) right ventricle; (3) left atrium; (4) left ventricle; (5) tricuspid valve; (6) bicuspid (mitral) valve; (7) chordae tendinae; (8) auricles; (9) papillary muscles; (10) trabeculae carnae; (11) fibrous pericardium; (12) parietal pericardium; (13) epicardium; (14) myocardium; (15) endocardium; (16) atrioventricular valves; (17) semilunar valves; (18) intercalcalated discs; (19) sulci; (20) septum; (21) fossa ovalis; (22) coronary circulation
46.  Increase blood-holding capacity of the atria.Enter 1-22 without spaces/parenthesis. (1) right atrium; (2) right ventricle; (3) left atrium; (4) left ventricle; (5) tricuspid valve; (6) bicuspid (mitral) valve; (7) chordae tendinae; (8) auricles; (9) papillary muscles; (10) trabeculae carnae; (11) fibrous pericardium; (12) parietal pericardium; (13) epicardium; (14) myocardium; (15) endocardium; (16) atrioventricular valves; (17) semilunar valves; (18) intercalcalated discs; (19) sulci; (20) septum; (21) fossa ovalis; (22) coronary circulation
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