#1
Where is the human heart located in the body?
Left side of the chest
Right side of the chest
Center of the chest
In the abdomen
#2
What is the primary function of the human heart?
Pumping blood
Digesting food
Filtering air
Producing hormones
#3
What is the average heart rate for a resting adult?
60-80 beats per minute
100-120 beats per minute
40-60 beats per minute
120-140 beats per minute
#4
Which blood vessels carry oxygenated blood away from the heart?
Veins
Arteries
Capillaries
Venules
#5
Which blood vessel carries deoxygenated blood from the body back to the heart?
Pulmonary artery
Pulmonary vein
Aorta
Vena cava
#6
Which chamber of the heart pumps oxygenated blood to the rest of the body?
Left atrium
Right atrium
Left ventricle
Right ventricle
#7
What is the purpose of the heart valves?
To regulate blood pressure
To prevent backflow of blood
To produce hormones
To control body temperature
#8
What is the term for the network of blood vessels supplying the heart muscle?
Coronary circulation
Pulmonary circulation
Systemic circulation
Cardiac circulation
#9
Which part of the heart initiates the heartbeat by generating electrical impulses?
Atria
Ventricles
Sinoatrial node
Atrioventricular node
#10
Which valve is located between the left atrium and left ventricle?
Tricuspid valve
Mitral valve
Pulmonary valve
Aortic valve
#11
What is the medical term for a heart attack?
Cardiac arrest
Aneurysm
Myocardial infarction
Arrhythmia
#12
What is the medical term for an enlarged heart?
Cardiomegaly
Hypertrophy
Ischemia
Arrhythmia
#13
Which imaging technique is commonly used to visualize the structure and function of the heart?
MRI (Magnetic Resonance Imaging)
CT scan (Computed Tomography)
X-ray
Ultrasound
#14
In which layer of the heart wall does the electrical conduction system reside?
Epicardium
Myocardium
Endocardium
Pericardium
#15
What is the term for the volume of blood pumped by the heart in one minute?
Stroke volume
Cardiac output
Ejection fraction
Heart rate