#1
Which of the following is a risk factor for cardiovascular disease?
Regular physical activity
High blood pressure
Balanced diet
Adequate sleep
#2
What is the average resting heart rate for adults?
40-50 beats per minute
60-100 beats per minute
120-140 beats per minute
150-200 beats per minute
#3
Which of the following is NOT a primary component of blood?
Plasma
Red blood cells
White blood cells
Cholesterol
#4
What is the name of the valve located between the left atrium and the left ventricle?
Aortic valve
Mitral valve
Tricuspid valve
Pulmonary valve
#5
Which of the following is a function of the cardiovascular system?
Regulation of body temperature
Production of hormones
Transportation of nutrients and oxygen
Elimination of waste products
#6
What is the medical term for high blood pressure?
Hypertension
Hypotension
Arrhythmia
Tachycardia
#7
Which of the following vessels carries oxygenated blood from the lungs to the heart?
Pulmonary artery
Pulmonary vein
Aorta
Vena cava
#8
What is the medical term for a heart attack?
Myocarditis
Angina pectoris
Myocardial infarction
Atherosclerosis
#9
What is the function of the atrioventricular node (AV node) in the heart?
To generate electrical impulses
To conduct electrical impulses between the atria and ventricles
To regulate heart rate
To store excess blood
#10
Which of the following is a symptom of peripheral artery disease (PAD)?
Chest pain
Leg cramping or pain during walking
Headaches
Heart palpitations
#11
What is the term for a condition characterized by irregular heartbeats?
Hypertension
Arrhythmia
Aneurysm
Thrombosis
#12
What is the term for the condition in which the heart muscle doesn't receive enough blood flow?
Angina pectoris
Myocardial infarction
Aneurysm
Congestive heart failure
#13
Which of the following substances can contribute to the development of atherosclerosis?
High-density lipoprotein (HDL)
Low-density lipoprotein (LDL)
Triglycerides
Vitamin C
#14
What is the term for the condition where the heart's electrical signals are chaotic, causing rapid, irregular heartbeats?
Ventricular fibrillation
Atrial fibrillation
Tachycardia
Bradycardia