Thoracic Cavity Visceras Quiz

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Which membrane lines each pulmonary cavity and reflects onto the external surface of the lungs?

Peritoneal membranes

Pericardial membranes

Pleural membranes (correct)

Visceral membranes

What is the composition of the pleural cavity?

Thick layer of fluid

Thin film of fluid (correct)

Air-filled space

Mucus-filled space

During embryonic development, what structure do the lungs grow into?

Pericardioperitoneal canals (correct)

Pleural cavities

Peritoneal cavities

Pericardial cavities

Which membrane invests all surfaces of the lungs, forming their shiny outer surface?

Visceral pleura Signup and view all the answers

What is the function of the serous pleural fluid in the pleural cavity?

To lubricate the pleural surfaces Signup and view all the answers

Where is the visceral pleura continuous with the parietal pleura?

At the hilum of the lung Signup and view all the answers

Which membranes make up the pleural sac enclosing each lung?

Visceral pleura and parietal pleura Signup and view all the answers

What is the role of surface tension in the pleural fluid?

Creates cohesion between lung and thoracic wall Signup and view all the answers

Can the visceral pleura be easily separated from the lung during cadaver dissection?

No, it cannot be dissected from the lung surface. Signup and view all the answers

Which part of the parietal pleura covers the internal surfaces of the thoracic wall?

Costal pleura Signup and view all the answers

What separates the costal pleura from the internal surface of the thoracic wall?

Endothoracic fascia Signup and view all the answers

What is the characteristic of the parietal pleura in terms of thickness?

Thicker than the visceral pleura Signup and view all the answers

Among the parts of the parietal pleura, which one lines the diaphragm?

Diaphragmatic pleura Signup and view all the answers

Which part of the parietal pleura covers the superior surface of the diaphragm?

Diaphragmatic pleura Signup and view all the answers

What is the continuous sheet passing anteroposteriorly between the sternum and the vertebral column?

Mediastinal pleura Signup and view all the answers

Which part of the parietal pleura reflects laterally onto the root of the lung to become continuous with the visceral pleura?

Mediastinal pleura Signup and view all the answers

What is the term used to describe the parietal pleura that covers the lateral aspects of the mediastinum?

Mediastinal pleura Signup and view all the answers

What connects the diaphragmatic pleura with the muscular fibers of the diaphragm?

Phrenicopleural fascia Signup and view all the answers

Which structure reinforces the cervical pleura and attaches to the internal border of the 1st rib and the transverse process of C7 vertebra?

Suprapleural membrane Signup and view all the answers

What lines mark the points where the parietal pleura changes direction as it passes from one wall of the pleural cavity to another?

Lines of pleural reflection Signup and view all the answers

How many lines of pleural reflection outline the extent of the pulmonary cavities on each side?

3 Signup and view all the answers

Why are the outlines of the right and left pulmonary cavities asymmetrical?

The heart extends toward the left side Signup and view all the answers

What is the superior continuation of the costal and mediastinal parts of the parietal pleura called?

Cervical pleura Signup and view all the answers

What are the lines of pleural reflection?

Lines marking the boundaries of the pleural cavities Signup and view all the answers

What is the function of the suprapleural membrane (Sibson fascia) in relation to the cervical pleura?

Reinforces the cervical pleura Signup and view all the answers

Where is the pleural cupula formed by the cervical pleura located?

Superior to the clavicle Signup and view all the answers

Which lines of pleural reflection pass posterior to the sternoclavicular joints to meet at the anterior median line (AML)?

Right and left sternal lines Signup and view all the answers

Where does the sternal line of pleural reflection on the right side continue to pass inferiorly in the AML?

To the posterior aspect of the xiphoid process Signup and view all the answers

What is the significance of the shallow notch in the pleural sac and the 'bare area' of pericardial contact with the anterior wall?

They are important landmarks for pericardiocentesis Signup and view all the answers

How far does the sternal line of pleural reflection on the left side descend in the AML?

Level of the 4th costal cartilage Signup and view all the answers

Which line of pleural reflection begins at the midclavicular line?

The left costal line Signup and view all the answers

Which lines of pleural reflection become continuous posteriorly with the vertebral lines at the necks of the 12th ribs?

The costal lines Signup and view all the answers

Where do the vertebral lines of pleural reflection run?

In the paravertebral planes Signup and view all the answers

What are the potential pleural spaces located at the lowermost parts of the costal pleura called?

The costodiaphragmatic recesses Signup and view all the answers

What are the potential pleural spaces located posterior to the sternum where the costal pleura is in contact with the mediastinal pleura?

The costomediastinal recesses Signup and view all the answers

Which pleural recess is larger and less occupied due to the pronounced cardiac notch in the left lung?

Costomediastinal recesses Signup and view all the answers

During deep inspiration, where do the inferior borders of the lungs move?

Into the pleural recesses Signup and view all the answers

Thoracic Cavity Visceras Quiz

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Questions and Answers

Which membrane lines each pulmonary cavity and reflects onto the external surface of the lungs?

What is the composition of the pleural cavity?

During embryonic development, what structure do the lungs grow into?

Which membrane invests all surfaces of the lungs, forming their shiny outer surface?

What is the function of the serous pleural fluid in the pleural cavity?

Where is the visceral pleura continuous with the parietal pleura?

Which membranes make up the pleural sac enclosing each lung?

What is the role of surface tension in the pleural fluid?

Can the visceral pleura be easily separated from the lung during cadaver dissection?

Which part of the parietal pleura covers the internal surfaces of the thoracic wall?

What separates the costal pleura from the internal surface of the thoracic wall?

What is the characteristic of the parietal pleura in terms of thickness?

Among the parts of the parietal pleura, which one lines the diaphragm?

Which part of the parietal pleura covers the superior surface of the diaphragm?

What is the continuous sheet passing anteroposteriorly between the sternum and the vertebral column?

Which part of the parietal pleura reflects laterally onto the root of the lung to become continuous with the visceral pleura?

What is the term used to describe the parietal pleura that covers the lateral aspects of the mediastinum?

What connects the diaphragmatic pleura with the muscular fibers of the diaphragm?

Which structure reinforces the cervical pleura and attaches to the internal border of the 1st rib and the transverse process of C7 vertebra?

What lines mark the points where the parietal pleura changes direction as it passes from one wall of the pleural cavity to another?

How many lines of pleural reflection outline the extent of the pulmonary cavities on each side?

Why are the outlines of the right and left pulmonary cavities asymmetrical?

What is the superior continuation of the costal and mediastinal parts of the parietal pleura called?

What are the lines of pleural reflection?

What is the function of the suprapleural membrane (Sibson fascia) in relation to the cervical pleura?

Where is the pleural cupula formed by the cervical pleura located?

Which lines of pleural reflection pass posterior to the sternoclavicular joints to meet at the anterior median line (AML)?

Where does the sternal line of pleural reflection on the right side continue to pass inferiorly in the AML?

What is the significance of the shallow notch in the pleural sac and the 'bare area' of pericardial contact with the anterior wall?

How far does the sternal line of pleural reflection on the left side descend in the AML?

Which line of pleural reflection begins at the midclavicular line?

Which lines of pleural reflection become continuous posteriorly with the vertebral lines at the necks of the 12th ribs?

Where do the vertebral lines of pleural reflection run?

What are the potential pleural spaces located at the lowermost parts of the costal pleura called?

What are the potential pleural spaces located posterior to the sternum where the costal pleura is in contact with the mediastinal pleura?

Which pleural recess is larger and less occupied due to the pronounced cardiac notch in the left lung?

During deep inspiration, where do the inferior borders of the lungs move?

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