Heart chapter 12 A&P

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Medicine - Cardiology

user_kumartyv Created by 9 mon ago

Cards in this deck(39)

What anatomical region is located medial to the lungs and superior to the diaphragm, protected by the ribs and sternum?

Which peptide is produced when the atrial walls are stretched by greater blood volume, leading to decreased reabsorption of sodium by the kidney?

What are the three layers that enclose the heart, including the fibrous pericardium, parietal pericardium, and visceral pericardium?

What substance prevents friction between the layers of the heart?

What is the function of the myocardium, which makes up the walls of the four chambers of the heart?

Which chambers of the heart are referred to as the upper chambers?

Which chambers of the heart are referred to as the lower chambers?

What is the function of the endocardium, which lines the chambers and covers the valves of the heart?

Which chamber of the heart receives blood from the superior and inferior vena cava?

Which chamber of the heart pumps blood into the pulmonary artery and has thin walls?

What structure anchors the outer edges of valve flaps and prevents direct transmission of electrical conduction from upper to lower chambers?

Which heart valve opens from the right ventricle to the pulmonary artery?

What are the 'heart strings' that anchor the AV valve flaps to the floor of the ventricles?

Which chamber of the heart pumps oxygenated blood into the aorta?

What is the pathway of coronary vessels starting from the ascending aorta?

What is the primary purpose of coronary vessels?

What causes the sensation of pain in the myocardium?

What is the sequence of events in one heartbeat called?

What term describes the contraction phase of the cardiac cycle?

What term describes the relaxation phase of the cardiac cycle?

What percentage of arterial blood flow enters the ventricles passively?

What phase of the cardiac cycle pumps all blood that enters the pulmonary artery and aorta?

What is the pacemaker of the heart located in the wall of the right atrium?

Which node regulates the beating of the ventricles by receiving signals from the atria?

Where is the Bundle of His located in the heart?

Which structures receive electrical signals from the AV bundle of His?

Which fibers receive signals from the right and left bundle branches?

What is the healthy adult heart rate range in beats per minute (bpm)?

What is the term for the amount of blood pumped by the heart in one minute, typically 5 liters?

What is the volume of blood pumped out by a ventricle with each heartbeat, typically 60-80 milliliters?

What is the formula for calculating cardiac output?

What is the difference between resting cardiac output and maximum exercise cardiac output called?

What is the term for the percent of blood a ventricle pumps during one beat of systole?

How does the heart generate its own beat, and what system can change its rate?

What are the two types of cardiac centers located in the medulla that affect heart rate?

What type of impulse increases heart rate?

What type of impulse decreases heart rate?

What receptors detect changes in blood pressure and are located in the carotid and aortic sinus?

What receptors detect changes in blood oxygen levels and are located in the carotid and aortic bodies?

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Heart chapter 12 A&P

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