Resp. Thorax 1 Flashcards
What makes up the upper respiratory tract?
Nasal Cavity
Mouth
Pharynx
~ Larynx
What makes up the lower respiratory tracT?
~Larynx
Trachea
Primary Bronchi
Lungs
What seperates the upper/lower respiratory tracts?
The sternal angle or cricoid cartilage.
What is the cricoid cartilage?
Ring shaped cartilage of the larynx
What term refers to the branching structure of airways?
The respiratory or Tracheobronchial tree
What is teh differnce between the conducting & respiratory portions of the tracheobronchial tree?
Conducting portion - No gas exchange occurs
Respiratory portion - Gas exchange occurs.
What are the 10 sections of the tracheobronchial tree?
1) TRachea
2) Main Bronchus
3) Lobar Bronchus
4) Segmental Bronchus
5) Conducting Bronchus
6) Terminal Bronchus
7) Respiratory BRonchus
8) Alveolar Duct
9) Alveolar Sac
10) Alveolus
Where is the larynx found?
Anterior Neck
Between C3-C6
What innervates the larynx?
The Vagus Nerve
Where does the larynx extend?
From the epiglottis tip to the inferior border of the cricoid cartilage
What are the important pieces of surface anatomy in the larynx?
Hyoid
Thyrohyoid membrane
Laryngeal Prominence
Cricoid Cartilage
At what vertebral level is the Hyoid?
C2/C3
At what vertebral level is the Thyrohyoid membrane?
C4
At what vertebral level is the Laryngeal Prominence?
C5
At what vertebral level is the cricoid cartilage/start of trachea?
C6
What are the lobes of the left lung?
Superior
Inferior
What are the lobes of the right lung?
Superior
Inferior
Middle
What do we call the inferior surface of the lungs?
Diaphragmatic
What do we call the medial surface of the lungs?
Mediastinal
What are the 3 surfaces of the lung?
Costal
Medial
Inferior
What is the lingula?
A thin tongue like process of the superior lobe in the left lung.
What creates the lingula?
The cardiac notch
What is the lung hilum?
Area on the mediastinal surface where lung root enters
Whats lung root?
Group os structures entering the lung:
- Bronchus
- Artery
- Veins
- Lymphatics
- Nerves
What are the 2 bronchi of the right lung?
Eparterial bronchus supplies superior lobe
Hyparterial bronchus supplies middle/inferior lobe
What structure of the hilum is the most superior?
Pulmonary artery (eparterial bronchus in r. lung)
What structure is most inferior in the hilum?
Inferior Pulmonary Vein
What structure is the most anterior in the hilum?
Superior Pulmonary Vein
What structure is the most posterior in the hilum?
Bronchus
What are the 4 sections f the parietal pleura?
Cupular (cervical)
Mediastinal
Diaphragmatic
Costal
What nerves supply the parietal pleura?
Intercostal
Phrenic
What nerves supply the visceral pleura?
Intercostal nerves (T2-T5)
What is a pleural reflection?
Place at which parietal pleura changes direction
What is a plerual recess?
Increased space between pleura at relfections
What are the names of the pleural reflections/recesses?
Costomediastinal (center)
Costodiaphragmatic (costophrenic angle)