#1
Which of the following is a risk factor for cardiovascular disease?
High blood pressure
ExplanationElevated pressure in blood vessels increases strain on the heart.
#2
What is the main function of the cardiovascular system?
Transporting oxygen to tissues
ExplanationIt delivers oxygenated blood to body tissues for cellular respiration.
#3
What is the term for the circulation of blood from the heart to the lungs and back?
Pulmonary circulation
ExplanationIt allows for the exchange of carbon dioxide and oxygen in the lungs.
#4
Which of the following is a function of blood in the cardiovascular system?
Transporting nutrients
ExplanationBlood carries essential substances like glucose, amino acids, and vitamins to cells.
#5
Which blood vessels carry oxygenated blood away from the heart?
Arteries
ExplanationArteries transport oxygen-rich blood from the heart to various parts of the body.
#6
Which chamber of the heart receives deoxygenated blood from the body?
Right atrium
ExplanationDeoxygenated blood returns from the body to the right atrium.
#7
What is the medical term for a heart attack?
Myocardial infarction
ExplanationIt occurs when blood flow to a part of the heart is blocked.
#8
What is the condition characterized by abnormally high blood pressure?
Hypertension
ExplanationPersistent high blood pressure can lead to various health issues.
#9
Which valve prevents the backflow of blood from the left ventricle to the left atrium?
Mitral valve
ExplanationIt ensures blood flows in the correct direction through the heart.
#10
Which of the following is a symptom of a stroke?
Sudden weakness or numbness of the face, arm, or leg
ExplanationIt results from a disruption of blood supply to the brain.
#11
Which of the following arteries supplies blood to the brain?
Carotid artery
ExplanationIt carries oxygenated blood to the brain from the heart.
#12
What is the medical term for the narrowing of the arteries due to plaque buildup?
Atherosclerosis
ExplanationIt restricts blood flow and can lead to various cardiovascular problems.
#13
What is the term for the process of blood clot formation?
Hemostasis
ExplanationIt prevents excessive bleeding and maintains blood flow within vessels.