BIO 117 HONDROS EXAM 3 100% Correct Answers Verified Latest 2024 Version
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BIO
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BIO
BIO 117 HONDROS EXAM 3 | 100% Correct
Answers | Verified | Latest 2024 Version
The apex of the heart is located - 5th intercostal space
Which layer of the heart allows it to act as a pump? - Myocardium
What is the apex of the heart? - The tip of the heart, pointing down towards the left 5th int...
BIO 117 HONDROS EXAM 3 | 100% Correct
Answers | Verified | Latest 2024 Version
The apex of the heart is located - ✔✔5th intercostal space
Which layer of the heart allows it to act as a pump? - ✔✔Myocardium
What is the apex of the heart? - ✔✔The tip of the heart, pointing down towards the left 5th intercostal
space.
Which layer of the heart wall contains the epicardium? - ✔✔Pericardium
What surrounds the heart? - ✔✔Pericardium
What is related to the mitral valve (tricuspid valve)? - ✔✔Bicuspid valve
Which of the following contains oxygenated blood? - ✔✔Left Atrium, Pulmonary veins, Aorta
Which of the following contains deoxygenated blood? - ✔✔Superior Vena Cava, Right Atrium, Pulmonary
Arteries
What supplies oxygenated blood to the heart muscle? - ✔✔Coronary Arteries
Which layer of the heart contains actin, myosin, and troponin? - ✔✔Myocardium
Which valves are open during atrial systole? - ✔✔Tricuspid Mitral
What is true of blood leaving the tissues and traveling towards the right atrium? - ✔✔Oxygen poor,
carbon dioxide rich
, Valve that prevents backflow of blood into the left ventricle when the left ventricle is in diastole? -
✔✔Aortic
The aorta receives blood from what structure? - ✔✔Left ventricle
Which vessel carries blood from the pulmonary capillaries to the left atrium? - ✔✔Pulmonary veins
Which cavity of the heart first receives unoxygenated blood from the vena cava? - ✔✔Right atrium
What is the right semilunar valve separating the right ventricle and the pulmonary artery? - ✔✔The
pulmonic valve
What is the function of the pulmonic valve? - ✔✔To prevent blood flow from the pulmonary arteries to
the right ventricle during ventricular diastole
What do heart rate and stroke volume determine? - ✔✔Cardiac output
What is the left ventricle doing when the right ventricle is contracting? - ✔✔Pumping blood into the
great vessels
Where does the cardiac action potential normally originate? - ✔✔SA node
What chamber is the pacemaker located in? - ✔✔right atrium
What is the function of the perkinje fibers? - ✔✔To conduct electrical signals throughout the ventricles
Where is BP the lowest? - ✔✔Inferior vena cava
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