#1
Where is the human heart located in the body?
Left side of the chest
ExplanationThe human heart is situated on the left side of the chest.
#2
What is the primary function of the human heart?
Pumping blood
ExplanationThe primary function of the human heart is to pump blood throughout the body.
#3
What is the average heart rate for a resting adult?
60-80 beats per minute
ExplanationThe average heart rate for a resting adult ranges from 60 to 80 beats per minute.
#4
Which blood vessels carry oxygenated blood away from the heart?
Arteries
ExplanationArteries carry oxygenated blood away from the heart.
#5
Which blood vessel carries deoxygenated blood from the body back to the heart?
Vena cava
ExplanationThe vena cava carries deoxygenated blood from the body back to the heart.
#6
Which chamber of the heart pumps oxygenated blood to the rest of the body?
Left ventricle
ExplanationThe left ventricle pumps oxygenated blood to the rest of the body.
#7
What is the purpose of the heart valves?
To prevent backflow of blood
ExplanationHeart valves prevent the backflow of blood within the heart.
#8
What is the term for the network of blood vessels supplying the heart muscle?
Coronary circulation
ExplanationThe network of blood vessels supplying the heart muscle is known as coronary circulation.
#9
Which part of the heart initiates the heartbeat by generating electrical impulses?
Sinoatrial node
ExplanationThe sinoatrial node initiates the heartbeat by generating electrical impulses.
#10
Which valve is located between the left atrium and left ventricle?
Mitral valve
ExplanationThe mitral valve is located between the left atrium and left ventricle.
#11
What is the medical term for a heart attack?
Myocardial infarction
ExplanationA heart attack is medically known as myocardial infarction.
#12
What is the medical term for an enlarged heart?
Cardiomegaly
ExplanationAn enlarged heart is medically termed cardiomegaly.
#13
Which imaging technique is commonly used to visualize the structure and function of the heart?
Ultrasound
ExplanationUltrasound is commonly used to visualize the structure and function of the heart.
#14
In which layer of the heart wall does the electrical conduction system reside?
Endocardium
ExplanationThe electrical conduction system of the heart resides in the endocardium.
#15
What is the term for the volume of blood pumped by the heart in one minute?
Cardiac output
ExplanationThe volume of blood pumped by the heart in one minute is termed cardiac output.