Cardiovascular Anatomy & Physiology Flashcards
7 cards from real CET practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Cardiovascular Anatomy & Physiology flashcards as text
Which valve separates the left atrium from the left ventricle?
Answer: Mitral valve
The mitral (bicuspid) valve controls blood flow between the left atrium and left ventricle.
The coronary sinus drains deoxygenated blood from the myocardium into which cardiac chamber?
Answer: Right atrium
The coronary sinus empties venous blood from the myocardium into the right atrium near the tricuspid valve.
What is the approximate normal left ventricular ejection fraction (LVEF) in a healthy adult?
Answer: 55–70%
Normal LVEF is generally considered 55–70%, reflecting adequate systolic function.
Which layer of the heart wall contains the cardiac muscle cells responsible for contraction?
Answer: Myocardium
The myocardium is the thick muscular middle layer composed of cardiomyocytes that generate the pumping force.
In the fetal circulation, the ductus arteriosus connects which two vessels?
Answer: Pulmonary artery and aorta
The ductus arteriosus shunts blood from the pulmonary artery to the aorta, bypassing the fetal lungs.
Which pressure is measured at the beginning of ventricular relaxation and represents the lowest point of the aortic pressure waveform?
Answer: Diastolic pressure
Diastolic pressure reflects the lowest arterial pressure occurring during ventricular relaxation.
The papillary muscles in the left ventricle are connected to the mitral valve leaflets via which structures?
Answer: Chordae tendineae
Chordae tendineae are tendinous cords that tether the mitral leaflets to the papillary muscles, preventing prolapse.