#1
Which of the following is a common symptom of a myocardial infarction (heart attack)?
Headache
Chest pain or discomfort
Joint pain
Blurred vision
#2
Which of the following is a risk factor for developing cardiovascular diseases?
Regular exercise
High blood pressure
Balanced diet
Adequate sleep
#3
What is the primary role of the atrioventricular (AV) node in the heart's electrical conduction system?
Initiating the heartbeat
Conducting electrical impulses from the atria to the ventricles
Contracting the heart muscle
Regulating blood pressure
#4
What is the primary purpose of the sinoatrial (SA) node in the heart?
Regulating blood pressure
Conducting electrical impulses to the ventricles
Initiating the heartbeat
Contracting the atria
#5
What is the term for the inadequate blood supply to the heart muscle, often causing chest pain or discomfort?
Angina pectoris
Myocardial infarction
Atrial fibrillation
Cardiac tamponade
#6
What is the primary function of the heart's left ventricle?
Pumping blood to the lungs
Pumping blood to the body
Receiving oxygenated blood
Receiving deoxygenated blood
#7
During a cardiac arrest, what is the immediate intervention that should be initiated?
Administering pain medication
Initiating CPR (Cardiopulmonary Resuscitation)
Administering anti-anxiety medication
Providing warm blankets
#8
What is the purpose of the coronary arteries in the cardiovascular system?
Carrying oxygenated blood to the lungs
Supplying oxygen and nutrients to the heart muscle
Transporting deoxygenated blood to the body
Maintaining blood pressure
#9
Which cardiac rhythm is considered life-threatening and requires immediate intervention?
Sinus rhythm
Atrial fibrillation
Ventricular fibrillation
Atrial flutter
#10
Which of the following is a potential complication of acute heart failure?
Hypertension
Pulmonary edema
Hyperglycemia
Osteoporosis
#11
During a stress test, what does the healthcare provider typically monitor?
Blood sugar levels
Heart rate, blood pressure, and ECG
Respiratory rate
Liver function
#12
What is the term for the medical procedure to restore normal heart rhythm by delivering an electric shock?
Angioplasty
Cardiac catheterization
Defibrillation
Coronary artery bypass grafting (CABG)
#13
In the context of cardiac physiology, what does the term 'myocardium' refer to?
Heart valves
Heart muscle
Blood vessels
Electrical conduction system of the heart
#14
What is the primary function of the pericardium in the heart?
Pumping blood
Providing electrical impulses
Protecting and lubricating the heart
Regulating blood pressure
#15
Which enzyme is commonly elevated in the blood during a myocardial infarction?
Lipase
Amylase
Creatinine kinase (CK)
Alanine transaminase (ALT)
#16
Which medication is commonly prescribed to reduce cholesterol levels and lower the risk of cardiovascular events?
Ibuprofen
Metformin
Aspirin
Statins
#17
What is the normal range for the ejection fraction (EF) of the heart?