#1
Which chamber of the heart receives deoxygenated blood from the body?
Right atrium
ExplanationRight atrium receives deoxygenated blood from the body.
#2
What is the normal range for resting heart rate in adults?
60-80 beats per minute
ExplanationResting heart rate in adults typically ranges from 60 to 80 beats per minute.
#3
Which cardiovascular parameter is calculated as the product of heart rate and stroke volume?
Cardiac output
ExplanationCardiac output is calculated as the product of heart rate and stroke volume.
#4
What is the function of the sinoatrial (SA) node in the heart?
Initiates the heartbeat by generating electrical impulses
ExplanationSA node initiates heartbeat through electrical impulse generation.
#5
Which blood vessel carries oxygenated blood away from the heart to the body tissues?
Aorta
ExplanationAorta carries oxygenated blood to body tissues from the heart.
#6
Which valve separates the left atrium from the left ventricle in the heart?
Mitral valve
ExplanationMitral valve separates the left atrium from the left ventricle.
#7
What is the medical term for high blood pressure?
Hypertension
ExplanationMedical term for high blood pressure is hypertension.
#8
Which enzyme is responsible for breaking down fibrin and dissolving blood clots?
Plasmin
ExplanationPlasmin breaks down fibrin and dissolves blood clots.
#9
In the context of cardiovascular health, what does LDL stand for?
Low Density Lipoprotein
ExplanationLDL stands for Low Density Lipoprotein in cardiovascular health.