#1
Which chamber of the heart pumps oxygenated blood to the rest of the body?
Left ventricle
ExplanationLeft ventricle pumps oxygenated blood to the body.
#2
What is the sinoatrial (SA) node responsible for in the heart?
Conducting electrical impulses
ExplanationSA node conducts electrical impulses in the heart.
#3
Which blood type is considered the universal donor?
O
ExplanationBlood type O is considered the universal donor.
#4
What is the medical term for high blood pressure?
Hypertension
ExplanationHigh blood pressure is medically termed hypertension.
#5
Which of the following is a major risk factor for developing coronary artery disease?
High triglycerides
ExplanationHigh triglycerides are a major risk factor for coronary artery disease.
#6
What is the main function of the cardiovascular system?
Transportation of oxygen and nutrients
ExplanationCardiovascular system transports oxygen and nutrients.
#7
What is the average resting heart rate for adults?
60-70 beats per minute
ExplanationAverage resting heart rate for adults is 60-70 bpm.
#8
Which of the following is a risk factor for cardiovascular diseases?
Smoking
ExplanationSmoking is a risk factor for cardiovascular diseases.
#9
What is the medical term for a heart attack?
Myocardial infarction
ExplanationHeart attack is medically termed as myocardial infarction.
#10
What is the role of valves in the cardiovascular system?
To prevent backflow of blood
ExplanationValves prevent backflow of blood in the cardiovascular system.
#11
Which blood vessels carry oxygenated blood away from the heart?
Arteries
ExplanationArteries carry oxygenated blood away from the heart.
#12
What is the term for the condition where fatty deposits build up on the inner walls of arteries?
Atherosclerosis
ExplanationAtherosclerosis is the buildup of fatty deposits in arteries.
#13
Which hormone is released during times of stress and can affect the cardiovascular system?
Cortisol
ExplanationCortisol is released during stress and affects the cardiovascular system.
#14
What is the term for a rapid, irregular heartbeat that can lead to stroke or heart failure?
Fibrillation
ExplanationFibrillation is a rapid, irregular heartbeat that can lead to complications.
#15
What is the term for the condition where the heart is unable to pump enough blood to meet the body's needs?
Heart failure
ExplanationHeart failure is the inability of the heart to pump enough blood.