Anatomy Flashcards
Is the pulmonary or aortic artery furthest back?
Pulmonary valve
What level is the sternal angle?
Second rib
T4/T5
Where do you do heart valve auscultation?
Aortic: 2nd intercostal space, right sternal edge
Pulmonary: 2nd intercostal space, left sternal edge
Tricuspid: 4th intercostal space, left sternal edge
Mitral: 5th intercostal space, mid-clavicular line
Which ribs are true? What does that mean?
1-7 ribs
Attach directly to sternum through own coastal cartilage
Which ribs are the false ribs?
What does that mean?
8-10 ribs
Share same costal cartilage with another rib
Which ribs are floating?
What does that mean?
11-12
Does not attach to the sternum
What are the 3 main intercostal muscles?
External
Internal
Innermost
How many lobes does the right lung have? What are they called? What separates them?
Superior lobe, middle lobe, inferior lobe (3)
Horizontal fissure, oblique fissure
How many lobes does the left lung have? What are they called? What separates them?
Superior lobe and inferior lobe (2)
Oblique fissure
What are bronchopulmonary segments?
Part of the lungs that have their own supply of artery, vein and lymphatic
How many bronchopulmonary segments are in the right and left lung?
10 in the right lung
8-9 in the left lung
Which side of the vertebrae are the azygous veins?
Right
Which side of the vertebrae are the hemiazygous veins?
Left
Where do the phrenic nerves run?
Run between either side of the lung and heart
Motor nerve of phrenic
Diaphragm
Motor nerve of intercostal
Intercostal muscles
Motor nerve of pulmonary plexuses
Pulmonary vasculature
Smooth muscles
Secretory glands
Sensory nerve of phrenic
Parietal pleura of lungs
Mediastinal
Central part of diaphragm
Fibrous and parietal part of pericardium
Sensory nerve of intercostal
Parietal pleura:
Costal part
Peripheral part of diaphragm
Sensory nerve of pulmonary plexuses
Lungs
Visceral pleura
What does the vagus nerve do to the thorax?
Parasympathetic response
Bronchoconstrictor
Vasodilator
Secretomotor (glands)
Decreases heart rate
What does the sympathetic trunk do?
Bronchodilator (air in)
Vasoconstrictor
Inhibitory to alveolar glands
Increases heart rate
What drains into the middle meatus?
Frontal sinus
Maxillary sinus
Anterior ethmoidal
What drains into the superior meatus?
Posterior ethmoidal sinus drainage
What drains into the inferior meatus?
Nasolacrimal duct drainage
What are the 3 unpaired cartilages in the larynx?
Epiglottis
Thyroid
Cricoid
