Heart Anatomy
Name the four chambers of the heart.
Right atrium, right ventricle, left atrium, left ventricle.
What valve separates the right atrium and right ventricle?
Tricuspid valve.
How many lobes does the right lung have?
Three (superior, middle, inferior).
What do normal lung sounds (vesicular) usually sound like?
Soft rustling, louder when breathing in than out.
Which chamber receives blood from the superior and inferior vena cava?
Right atrium.
Through which valve does blood leave the right ventricle to reach the lungs?
Pulmonary valve.
What small structures are the primary sites of gas exchange?
Alveoli.
A high-pitched, whistling noise heard when breathing out.
Wheezing.
What vessel carries oxygenated blood from the lungs to the heart?
Pulmonary veins.
Which valve prevents backflow into the left atrium?
Mitral valve.
Which structure in the chest sits next to the left lung, leaving it with only two lobes?
The heart.
Which breathing problem often makes wheezing sounds?
Asthma or COPD.
Which chamber pumps blood into the systemic circulation?
Left ventricle.
Which veins brings blood into the right atrium?
Superior Vena Cava and Inferior Vena Cava
What tube is also called the “windpipe” and carries air down into the lungs?
The Trachea.
What are the normal heart sounds?
S1 and S2
Which chamber pumps blood into the systemic circulation?
Left ventricle.
What is the correct order of blood flow through the valves of the heart?
Tricuspid → Pulmonary → Mitral → Aortic.
Which muscle is the primary driver of inspiration during breathing?
The diaphragm.
What are the main ways that we distinguish different types of heart murmurs on auscultation?
Where on the chest it is heard.