Anatomy & Physiology: An Integrative Approach (3rd Edition)

Chapter 19

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Perfusion is the volume of blood supplied to one ... more

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Arteries distribute oxygenated blood coming from ... more

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Blood is pumped to the lungs by the right ... more

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Superior vena cava (SVC) as well as inferior vena ... more

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On each side of the heart, between the atrium and ... more

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From the right atrium, blood is transported to the... more

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The pulmonary artery is a blood vessel that ... more

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Aorta, as well as, pulmonary veins contain ... more

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Thoracic cage shields the heart as well as the ... more

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Heart is situated in the thoracic cavity, where it... more

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The three layers of heart are fibrous pericardium... more

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When the heart is viewed anteriorly, then its ... more

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The pulmonary trunk and aorta are visible in the ... more

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The coronary sulcus and two interventricular sulci... more

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During dissection, the scalpel will pass through ... more

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An interventricular septum separates the two ... more

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The papillary muscles are attached to the ... more

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Papillary muscles hold the atrioventricular valves... more

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The fibrous skeleton works like an electric ... more

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The high number of mitochondria support aerobic ... more

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When the heart beats at a faster rate, the rate of... more

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The posterior wall of the left as well as right ... more

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The coronary sinus gets blood from all the cardiac... more

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The sinoatrial (SA) node is a part of the ... more

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Sympathetic innervation is associated with ... more

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The resting membrane potential (RMP) of the nodal ... more

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Autorhythmicity is the ability of the SA (... more

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The action potential generated from the SA (... more

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The small diameter and limited gap junctions of ... more

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Potassium ion channels are the specific type of ... more

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Ca2+(calcium) ions move into the cardiac muscle ... more

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Depolarization, plateau, and repolarization are ... more

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The extended refractory period allows contraction ... more

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The P wave indicates atrial depolarization, QRS ... more

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Calcium channel-blocking drug prevents the entry ... more

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The two physiological processes inside the heart, ... more

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During ventricular ejection, the semilunar valves ... more

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Pressure generated from ventricular contraction ... more

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The volume of blood present in a relaxed ventricle... more

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The two factors that determine the cardiac output ... more

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Positive chronotropic agents stimulate and ... more

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The bainbridge reflex is an atrial reflex, which ... more

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Cardiac output has a direct relationship with ... more

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In case the foramen ovale does not close quickly ... more

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The blood from the right atrium flows into the ... more

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The fibrous pericardium is the exterior-most layer... more

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The right AV(atrioventricular) valve prevents ... more

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Venous blood or deoxygenated blood is carried by ... more

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The calcium channel allows the entry of Ca2+ ions ... more

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Sarcomeres, along with myofibrils, form cardiac ... more

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Papillary muscles of the ventricles are associated... more

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The heart walls stretch when blood fills in the ... more

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The AV(Atrioventricular) valve closes to prevent ... more

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The filling rate of atria increases during atrial ... more

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The pulmonary circulation is the circulation of ... more

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The parietal layer and the visceral layer of the ... more

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The tendinous cords prevent the prolapse of the AV... more

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Atrial walls are thinner than ventricular walls ... more

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The cardiac muscle cell’s plasma membrane(... more

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Coronary vessels are located within the sulci of ... more

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The sympathetic autonomic nervous system increases... more

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In the conduction system, the action potential ... more

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The five events of the cardiac cycle are:1- Atrial... more

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Cardiac output is the blood volume expelled from ... more

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Increased blood pressure increases the risk of ... more

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ECG(Electrocardiogram) can easily diagnose ... more

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Calcium ions constrict blood vessels to increase ... more

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Heavy blood loss results in lower blood volume in ... more

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The heart rate increases because the vagus nerve ... more

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Under normal conditions, the heart goes through ... more

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Angina is a coronary artery disease that occurs ... more

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The AV [Atrioventricular] node functions as an ... more

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