Anatomy of the Thoracic Cavity Quiz
Test your knowledge on thoracic cavity structures. Questions cover anatomy, heart, lungs, and more. Take the quiz now!
#1
Which structure separates the thoracic cavity from the abdominal cavity?
Intercostal muscles
Diaphragm
Sternum
Pleura
#2
Which of the following is not a component of the thoracic wall?
Ribs
Vertebrae
Scapula
Sternum
#3
Which structure forms the anterior boundary of the thoracic cavity?
#4
Which chamber of the heart lies predominantly in the thoracic cavity?
Left atrium
Right ventricle
Right atrium
Left ventricle
#5
Which thoracic structure is responsible for the exchange of gases during respiration?
Bronchi
Trachea
Alveoli
Pharynx
#6
Which muscle is primarily responsible for inspiration during quiet breathing?
Internal intercostals
Diaphragm
External intercostals
Scalene muscles
#7
Which thoracic structure is responsible for the production of surfactant, aiding in lung function?
Alveoli
Bronchioles
Pleura
Pulmonary veins
#8
The mediastinum contains all of the following structures except:
Heart
Trachea
Esophagus
Lungs
#9
Which artery supplies blood primarily to the thoracic wall?
Subclavian artery
Thoracic aorta
Internal thoracic artery
Superior vena cava
#10
Which structure passes through the esophageal hiatus of the diaphragm?
Aorta
Esophagus
Inferior vena cava
Thoracic duct
#11
Which nerve innervates the diaphragm, a key muscle involved in respiration?
Phrenic nerve
Vagus nerve
Glossopharyngeal nerve
Accessory nerve
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