Hole's Human Anatomy & Physiology Test Bank for Chapter 15 Cardiovascular System, Exams of Anatomy

Download Hole's Human Anatomy & Physiology Test Bank for Chapter 15 Cardiovascular System and more Exams Anatomy in PDF only on Docsity! Chapter 15 Hole's Human Anatomy & Physiology 9th edition David Shier, Ricki Lewis, Jackie Butler,2024 Test Bank for Chapter 15 Cardiovascular System Complete (multiple choice & true or false ) Cardiovascular System Multiple Choice Quiz Please answer all questions 1 Where is the heart specifically located? A )thoracic cavity B )mediastinum C )pleural cavity D )ventral cavity 2 The apical heartbeat in an adult is best heard at the level of the _____. A )diaphragm B )first rib C )fifth intercostal space D )seventh intercostal space 3 The membrane closest to the heart muscle is the _____. A)fibrous pericardium B)visceral pericardium C)parietal pericardium D)peritoneum 4 What is a prominent symptom of pericarditis? A)increase in blood pressure B)an irregular heart beat C)severe chest pain D)high fever 5 Which part of the heart is usually damaged by scarlet fever or syphilis? A)pericardium B)myocardium C)epicardium D)endocardium 6 The atrioventricular sulcus separates the _____. A)atria and ventricle areas B)right from left ventricle C)right atrium from right ventricle D)right from left atrium 7 Blood from the cardiac muscle itself drains into the _____. C)angina D)diaphoresis 16 When does blood flow into the coronary arteries? A)during ventricular contraction B)during atrial contraction C)when the heart is at rest D)during ventricular relaxation 17 About _____% of the atrial blood flows into the ventricles before the atria contract. A)10 B)70 C)50 D)30 18 The atria will empty during ______. A)atrial diastole B)atrial systole C)ventricular diastole D)ventricular systole 19 The first heart sound results when the _____. A)ventricle contracts B)semilunar valves close C)A-V valves close D)atria contract 20 A stethoscope placed at the tip of the sternum will best be able to detect which sound? A)tricuspid valve B)bicuspid valve C)aortic D)pulmonary 21 Which fiber system is the first to depolarize in a cardiac cycle? A)atrioventricular node B)sinoatrial node C)bundle of His D)Purkinje fibers 22 Which chamber of the heart contains the pacemaker? A)right ventricle B)right atrium C)left ventricle D)left atrium 23 The _____ allows the atria to communicate with the ventricles. A)SA node B)A-V bundle C)A-V node D)Purkinje fibers 24 Which part of the heart is the last to become excited during a cardiac cycle. A)apex B)atria C)ventricular septum D)superior ventricular region 25 Which area allows the atria to completely empty as the ventricles fill with blood? A)A-V node B)A-V bundle C)S-A node D)Purkinje fibers 26 The cardiac reflex control centers are located within the _____. A)hypothalamus B)medulla oblongata C)aorta D)heart 27 The pressoreceptors located in the _____ respond to stretching by slower the rate of the heart. A)medulla B)aortic sinus C)jugular vein D)heart A)liver B)smooth muscle C)pancreas D)heart 37 Which area contains the tightest capillary endothelial junctions? A)spleen B)skeletal muscle C)brain D)thyroid gland 38 Which of these areas totally lack capillaries? A)spinal cord B)cartilage C)dermis D)gall bladder 39 Which factor assists venous return to the heart? A)valves B)inspiration C)skeletal muscle D)all of these 40 The highest pressure exerted by the heart is called the _____. A)systolic pressure B)diastolic pressure C)pulse pressure D)mean arterial pressure 41 The condition called _____ is characterized by some defect or weakness in a vessel wall. A)phlebitis B)aneurysm C)arteriosclerosis D)atherosclerosis 42 The obstructive accumulation of cholesterol in a vessel is the result of _____. A)arteriosclerosis B)phlebitis C)atherosclerosis D)plaque 43 The average blood pressure in an artery is the _____. A)diastolic B)systolic C)120/80 mmHg D)mean arterial 44 The amount of blood ejected by the left ventricle each minute is calculated from which formula? A)heart rate + stroke volume B)heart rate X stroke volume C)heart rate divided by stroke volume D)heart rate - stroke volume 45 The three factors that contribute to arterial blood pressure are cardiac output, blood volume and _____. A)viscosity B)resistance C)valves D)heart rate 46 The central venous pressure is the pressure in the _____. A)superior vena cava B)right atrium C)left atrium D)jugular veins 47 Which are the first vessels to branch off the aorta? A)right subclavian B)left subclavian C)brachiocephalic D)coronary arteries 48 The three arteries that arise from the aortic arch are the left subclavian, left common carotid and _____. A)right subclavian B)right common carotid 57 In an ECG, where does the depolarization of the atria occur? A)P wave B)QRS complex C)T wave D)U wave True/False Quiz Please answer all questions 1 A dilation in a vein is called a varicosity. A)True B)False 2 Atrial natriuretic peptide is a hormone released from the heart in response to low blood pressure. A)True B)False 3 Since atria always receive blood, the vessels attached to them are all termed veins. A)True B)False 4 An infection in an arm could spread directly to the heart. A)True B)False 5 The chordae tendineae are fibrous strings that attach the papillary muscles to the semilunar valves. A)True B)False 6 The tricuspid valve prevents a back flow of blood into the right atrium. A)True B)False 7 During the contraction of the ventricles, all of the valves attached to the skeleton of the heart close. A)True B)False 8 The blood in the pulmonary arteries has a relatively high carbon dioxide concentration. A)True B)False 9 Patients complain of diaphoresis, which is difficulty breathing, during a myocardial infarction. A)True B)False 10 The coronary circulation has a rich array of anastomoses between its arteries and veins. A)True B)False 11 Pressure within the atria is greatest when the ventricles are relaxing and the atria are contracting. A)True B)False 12 As the ventricles contract, the pressure in them exceeds the pressure in the atria. A)True B)False 13 A murmur is a heart sound heard when the valves do not close sufficiently. A)True B)False 14 A functional syncytium occurs when one cardiac muscle cell causes the ones around to inhibit their beat. A)True B)False 15 An injection of acetylcholine into the heart could decrease the rate of the heart. A)True B)False 16 The sympathetic nervous system usually has the effect of increasing heart rate. 28 The vasomotor center in the medulla regulates blood pressure by altering the diameters of blood vessels throughout the body. A)True B)False 29 Hypertension is related to an increased risk for developing a heart attack, stroke or obesity. A)True B)False 30 Pulmonary edema may be caused by damage to the heart that has weakened the left ventricle. A)True B)False 31 The circle of Willis represents an anastomosis of blood vessels supplying the cranial cavity and brain. A)True B)False Multiple Choice Quiz Please answer all questions 1 Which layer of the heart or pericardium serves the dual purpose of lining the pericardium and forming the outermost wall of the heart? A)fibrous pericardium B)parietal pericardium C)visceral pericardium (epicardium) D)myocardium 2 The layer of the heart that forms a smooth, protective lining of the heart chambers and valves is the _______________. A)endocardium B)myocardium C)epicardium D)parietal pericardium 3 The bicuspid valve __________________. A)is located on the left side of the heart B)guards the auricles of the heart C)guards the entrance to the aorta D)guards the entrance to the pulmonary trunk 4 The _____________ has the thickest wall because it pumps blood to the ________________. A)right atrium; systemic circuit B)right ventricle; lungs C)left atrium; lungs D)left ventricle; systemic circuit 5 Freshly oxygenated blood enters the heart through the ______________, and is pumped out the _____________. A)right atrium; aorta B)left atrium; aorta C)right ventricle; pulmonary arteries D)left ventricle; pulmonary arteries 6 Someone suffering a heart attack in his anterior lower right ventricle probably had a blockage in which coronary artery? A)anterior interventricular artery B)circumflex artery C)posterior interventricular artery D)marginal artery 7 When do the A-V valves close during the cardiac cycle? A)when pressure inside the ventricles is at its lowest B)when pressure inside the atria is greater than that inside the ventricles C)when ventricular pressure exceeds that of the atria D)when pressure is greater in the aorta than in the left ventricle 8 How does the impulse to contract slow down slightly before it is transferred into the ventricles? A)It makes a detour and travels to the brain and back. B)There is a parasympathetic brake on the AV node. C)Junctional fibers leading into the AV node have very small diameters. D)The skeleton of the heart prevents the impulse from being transmitted rapidly. 9 What does the electrocardiogram (ECG) QRS wave indicate is happening in the heart? A)The atria are depolarizing. B)The ventricles are depolarizing while the atria repolarize. C)The ventricles are repolarizing. D)The heart is at rest. 18 The _____ valve lies between the right atrium and right ventricle. A)bicuspid B)aortic semilunar C)pulmonary semilunar D)tricuspid 19 The pulmonary semilunar valve prevents a back-flow of blood into the _____. A)pulmonary artery B)right ventricle C)left ventricle D)right atrium 20 The aortic semilunar valve prevents blood from returning to the _____. A)left ventricle B)aorta C)right ventricle D)left atrium 21 Which structure contains the lowest amount of oxygen? A)pulmonary vein B)aorta C)vena cava D)right ventricle 22 Cardiac output can be determined by the following formula: A)HR - SV B)HR divided by SV C)HR + SV D)HR x SV 23 The first heart sound is caused by closure of the _____ valves. A)pulmonary semilunar B)atrioventricular C)aortic semilunar D)mitral 24 The last in the cardiac conduction sequence is the _____. A)SA node B)AV node C)AV bundle D)Purkinje fibers 25 The electrical initiation of a heartbeat begins in the _____ chamber wall. A)left ventricle B)right ventricle C)right atrium D)left atrium 26 The central cardiac control region is in the _____ of the brain. A)hypothalamus B)medulla oblongata C)cerebellum D)pons 27 The T wave of an electrocardiogram represents which event? A)ventricular depolarization B)atrial repolarization C)ventricular repolarization D)atrial depolarization 28 A heartbeat of less than 60 beats per minute is called _____. A)tachycardia B)bradycardia C)arrhythmia D)fibrillation True/False Quiz Please answer all questions 1 Most of the average adult heart lies to the left of the midline. A)True B)False 2