Respiratory System Flashcards
What are the three muscles in the intercostal region?
Internal Intercostal muscles
External Intercostal muscles
Innermost Muscles
What are the three intercostal muscles innervated by?
Intercostal nerves
Where do the intercostal muscles receive their blood supply from?
Internal thoracic (Anterior) Descending aorta (Posterior)
What are the two functions of the pleural membrane?
Slide
Suction
What happens if you break the seal in the pleural membranes?
Pneumothorax (Collapsed Lung)
What are the 4 regions of the parietal pleura?
Cervical
Costal
Diaphragmatic
Mediastinal
When you exhale what does the diaphragm do?
It relaxes and moves up decreasing lung volume
When you inhale what does the diaphragm do?
It contracts and pulls down increasing lung volume
Which of the pleural membranes has pain receptors?
Parietal
Which nerve in the respiratory system refers pain?
Phrenic Nerve
How many lobes does the left lung have?
2
What is the name of the fissure in the left lung?
Oblique Fissure
Which primary bronchi is shorter and steeper?
Right
How many primary bronchi are there?
2 (Same Number as number of lungs)
How many secondary bronchi are there in the right lung?
Three (same # as # of lobes)