CV Anatomy Quiz Dr Ella Kim Dr Pip Green
Q1 The location of the heart is correctly described as A) lateral to the lungs. B) medial to the sternum. C) superior to the diaphragm. D) posterior to the spinal column.
Q2 The apex of the heart A) is part of the left ventricle wall. B) points inferiorly and laterally. C) is at the approximate level of the 5th intercostal space. D) All of the above are correct concerning the apex of the heart.
Q3 In normal individuals, about 2/3 of the total mass of the heart is located A) above the aortic arch B) on the right side of the thoracic cavity C) on the left side of the thoracic cavity D) in the right ventricle
Q4 A needle being inserted into the heart would travel through the layers of the heart wall and coverings in which order, beginning on the outside? A) fibrous pericardium, parietal pericardium, visceral pericardium, myocardium, endocardium B) parietal pericardium, fibrous pericardium, visceral pericardium, myocardium, endocardium C) endocardium, myocardium, fibrous pericardium, parietal pericardium, visceral pericardium D) visceral pericardium, parietal pericardium, fibrous pericardium, endocardium, myocardium
Pericardium Fibrous pericardium tough, loose fitting Serous pericardium 2 layers, few drops of pericardial fluid between layers Parietal layer Visceral layer (epicardium)
Structure of heart Epicardium Myocardium contractile cardiac muscle cells Endocardium endothelial tissue, form trabeculae and valves
Q5 What is located in the pericardial cavity? A) the heart B) the fibrous pericardium C) the mediastinum D) a small amount of serous fluid
Q6 The pericardial cavity is between the A) fibrous pericardium and parietal pericardium B) left atrium and left ventricle C) visceral pericardium and parietal pericardium D) endocardium and myocardium
Q7 The function of the pericardial fluid is to A) reduce friction between the pericardial membranes. B) lubricate the heart valves. C) replace any blood that is lost. D) provide oxygen and nutrients to the endocardium.
Q8 The visceral pericardium is also called the A) endocardium. B) epicardium. C) myocardium. D) mediastinum.
E F D A H G C B
Q9 The coronary sulcus is a groove on the outside of the heart that marks the division between the A) left and right atria B) left and right ventricles C) atria and ventricles D) aorta and pulmonary trunk
Q10 The anterior and posterior interventricular sulci mark the position of which internal heart structure? A) bicuspid and tricuspid valves B) semilunar valves C) fossa ovalis D) interventricular septum
Q11 The chordae tendineae A) attach the semilunar valves directly to the heart wall B) prevent the atrioventricular valve cusps from prolapsing into the atria during ventricular systole C) open the atrioventricular valves during ventricular systole D) attach the heart to the pericardium
Q12 The heart valves A) contract to pump blood through the heart. B) separate the left and right sides of the heart. C) prevent blood from flowing backward through the heart. D) cause the heart sound when they open.
Q13 Which of the following vessels is a branch of the left coronary artery? A) left posterior ascending artery B) circumflex artery C) posterior interventricular artery D) left subclavian artery
Q14 A blood clot in the circumflex artery would cause a myocardial infarction in part of the A) walls of the left atrium and posterior left ventricle. B) anterior walls of the left and right ventricles, and the interventricular septum. C) posterior walls of the left and right ventricles. D) lateral walls of the right atrium and right ventricle.
Q15 All cardiac veins empty into the, which then empties into the. A) coronary sinus; left atrium B) coronary sinus; right atrium C) great cardiac vein; right atrium D) great cardiac vein; left atrium
Q16 The right ventricle of the heart acts as a pump for the A) pulmonary circulation. B) systemic circulation. C) coronary circulation. D) hepatic portal circulation.
Q17 The coronary sinus is a(n) located in the. A) vein; posterior atrioventricular sulcus B) vein; posterior interventricular sulcus C) artery; anterior atrioventricular sulcus D) artery; interatrial septum
Q18 A point where two arteries connect and combine their blood flow is called a(n) A) anastomosis. B) infarction. C) divergence. D) aneurysm.
Q19 In which choice are the components of the cardiac conduction system listed in the correct sequence? A) SA node, AV bundle, AV node, Purkinje fibers B) SA node, AV node, AV bundle, Purkinje fibers C) AV node, AV bundle, SA node, Purkinje fibers D) AV node, SA node, Purkinje fibers, AV bundle
Q20 Damage to cells of the AV bundle would prevent the cardiac impulse from reaching the A) SA node B) atria C) AV node D) ventricles