BIPN 100: Cardiovascular System Questions with 100% Correct Answers | Latest Update | Verified
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Course
BIPN 100: Cardiovascular System
Institution
BIPN 100: Cardiovascular System
Action potential of Cardiac Muscle - Early fast Na+ channels open depolarizes.
Na+ channel inactivate cause slight dip.
Slowly developing long lasting Ca2+ channels open plateaus.
K+ channels open repolarizes.
Contraction of Cardiac Fibers - Action potential enters.
Voltage gated Ca2+ channels...
BIPN 100: Cardiovascular System
Action potential of Cardiac Muscle - Early fast Na+ channels open depolarizes.
Na+ channel inactivate cause slight dip.
Slowly developing long lasting Ca2+ channels open plateaus.
K+ channels open repolarizes.
Contraction of Cardiac Fibers - Action potential enters.
Voltage gated Ca2+ channels open. Ca2+ enters through DHP receptor proteins.
Calcium mediated calcium release: Ryanodine receptors open when interact with Ca2+, allowing Ca2+ to
enter cytoplasm
Calcium bind to troponin to initiate contraction.
Arteries - Blood leaves heart
Veins - Blood to heart
Ischemia - Lack of oxygen in tissue due to inadequate blood pressure to force blood into vessels
Blood Loops - [low O2] Right atrium->Right ventricle->Lungs [highO2] ->Left atrium -> Left
ventricle
Atrioventricular Valve - Right (Tricuspid)
Left (Bicuspid, Mitral)
Semilunar Valve - Regulate movement from ventricle to artery.
Aortic valve.
Pulmonic valve
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