#1
Which of the following is a common cardiovascular anomaly?
Atrial fibrillation
ExplanationIrregular and often rapid heart rate.
#2
What is the main function of the heart in the cardiovascular system?
To pump blood
ExplanationTo circulate oxygenated blood throughout the body.
#3
Which chamber of the heart receives oxygenated blood from the lungs?
Left atrium
ExplanationReceives oxygen-rich blood from the lungs.
#4
What term describes the condition in which fatty deposits build up in the arteries?
Atherosclerosis
ExplanationHardening and narrowing of the arteries due to plaque buildup.
#5
What is the medical term for a heart attack?
Myocardial infarction
ExplanationDeath of heart muscle tissue due to lack of blood supply.
#6
Which of the following is a symptom of heart failure?
Edema (swelling)
ExplanationBuildup of fluid in the body's tissues.
#7
What condition is characterized by irregular heartbeat?
Arrhythmia
ExplanationAbnormal heart rhythm.
#8
Which of the following is a risk factor for cardiovascular disease?
Smoking
ExplanationIncreases the risk of heart disease and stroke.
#9
Which of the following is a congenital heart defect?
Patent ductus arteriosus
ExplanationFailure of a fetal blood vessel to close after birth.
#10
Which imaging technique is commonly used to diagnose cardiovascular anomalies?
Ultrasound
ExplanationNon-invasive imaging using sound waves.
#11
What is the medical term for the narrowing of the heart's coronary arteries?
Coronary artery disease
ExplanationReduced blood flow to the heart muscle due to narrowed arteries.
#12
What is the term for the cessation of the heartbeat?
Cardiac arrest
ExplanationSudden loss of heart function.
#13
Which valve prevents the backflow of blood from the left ventricle to the left atrium?
Mitral valve
ExplanationMaintains one-way blood flow between the heart chambers.
#14
Which of the following is a primary risk factor for hypertension?
Obesity
ExplanationBeing overweight increases blood pressure.