#1
Which of the following is a risk factor for cardiovascular disease?
Smoking
ExplanationSmoking is a risk factor for cardiovascular disease due to its harmful effects on the heart and blood vessels.
#2
What does LDL stand for in relation to cholesterol?
Low Density Lipoprotein
ExplanationLDL stands for Low Density Lipoprotein, which is often referred to as 'bad' cholesterol as it contributes to plaque buildup in arteries.
#3
What is the main function of the cardiovascular system?
To transport oxygen and nutrients to cells
ExplanationThe main function of the cardiovascular system is to transport oxygen and nutrients to cells throughout the body.
#4
Which of the following is NOT a modifiable risk factor for cardiovascular disease?
Family history
ExplanationFamily history of cardiovascular disease is not a modifiable risk factor, unlike smoking, diet, and exercise habits.
#5
What is the term for a blockage of blood flow to the heart muscle?
Myocardial infarction
ExplanationMyocardial infarction, commonly known as a heart attack, occurs when blood flow to a part of the heart muscle is blocked, leading to tissue damage.
#6
Which of the following is a common symptom of a heart attack?
Chest pain or discomfort
ExplanationChest pain or discomfort is a common symptom of a heart attack, often described as pressure, tightness, or squeezing in the chest.
#7
What is the recommended amount of moderate-intensity aerobic exercise for adults?
At least 30 minutes most days of the week
ExplanationAdults are recommended to engage in at least 30 minutes of moderate-intensity aerobic exercise most days of the week to promote cardiovascular health.
#8
What is the medical term for high blood pressure?
Hypertension
ExplanationHypertension is the medical term for high blood pressure, a condition that can strain the heart and lead to cardiovascular problems.
#9
Which of the following is a function of the sinoatrial (SA) node?
Initiation of the heartbeat
ExplanationThe sinoatrial (SA) node is responsible for initiating the heartbeat by generating electrical impulses that coordinate heart contractions.
#10
What is the main function of the coronary arteries?
To carry oxygenated blood to the heart
ExplanationThe main function of the coronary arteries is to supply oxygenated blood to the heart muscle itself, ensuring its proper function.
#11
Which condition is characterized by irregular heartbeats?
Arrhythmia
ExplanationArrhythmia is a condition characterized by irregular heartbeats, which can occur as the heart beats too fast, too slow, or irregularly.
#12
What is the name of the valve that separates the left atrium from the left ventricle?
Mitral valve
ExplanationThe mitral valve separates the left atrium from the left ventricle, ensuring one-way blood flow within the heart.
#13
What is the term for the thickening and hardening of the arteries?
Arteriosclerosis
ExplanationArteriosclerosis refers to the thickening and hardening of the arteries, often due to the buildup of plaque, which can restrict blood flow.
#14
What is the function of the coronary arteries?
To carry oxygenated blood to the heart muscle
ExplanationThe coronary arteries supply oxygenated blood to the heart muscle, ensuring its proper function and nourishment.
#15
What is the name of the condition characterized by narrowing of the arteries due to plaque buildup?
Stenosis
ExplanationStenosis is the condition characterized by the narrowing of arteries due to plaque buildup, restricting blood flow and potentially causing various health complications.