18 Questions
What is the main function of the parietal pleura?
To line the internal surface of the thoracic cavity
What is the purpose of the pleural cavity?
To provide a potential space between the visceral and parietal pleura
What is the mediastinum?
A division of the thoracic cavity that contains the heart and thymus gland
What is the function of the visceral pleura?
To cover the lungs and facilitate their movement
What is the mesothelium?
A layer of simple squamous cells that lines the pleura
What is the cervical pleura?
A part of the parietal pleura that lines the extension of the pleural cavity into the neck
Which of the following structures is not a part of the thoracic cavity?
Abdominal cavity
What is the primary function of the intercostal muscles?
To change the volume of the thoracic cavity during respiration
Which of the following muscles is not a part of the thoracic cage?
Diaphragm
What is the direction of the internal intercostal muscles?
Inferoposteriorly
What nerves innervate the intercostal muscles?
Intercostal nerves
How many pairs of external intercostal muscles are there?
11
What is the primary function of the mesothelium?
To provide a slippery, non-adhesive and protective surface
What is the main purpose of the serous fluid secreted by the epithelium?
To allow lubricated sliding movements between opposing surfaces
Which of the following is NOT a function of the serous membranes?
To facilitate the exchange of oxygen and carbon dioxide
What is the main function of the serous membranes that line the lungs and thoracic cavity?
To permit efficient and effortless respiration
What is the purpose of the mesothelium in the body's serous cavities?
To provide a slippery, non-adhesive and protective surface
What is the function of the serous fluid in the serous membranes?
To allow lubricated sliding movements between opposing surfaces
Test your knowledge of the mediastinum and pleura, including their structure, layers, and components. Learn about the thoracic cavity and its divisions. Assess your understanding of human anatomy with this quiz.
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