What muscle connects rib 1 to clavicle
Subclavius
What does a normal cardiac silhouette look like in emphysema
Decreased (UNLESS heart failure)
What conditions can cause reduced compliance?
Fibrosis, pulmonary oedema, atelactasis, ARDS
trachea bifurcates at which important landmark, and which level
sternal angle, and costal attachment of second rib
What factors might cause microbial persistence in airways?
Dehydration, smoke and epithelial injury
Causes of respiratory alkalosis
Metaclopramide is a Dopamine-2 agonist or antagonist?
Antagonist
What is a rimaglottis
Space between true and false vocal cords
What are some examples of enveloped viruses
Influenza, COVID, RSV
What cavity is bound by true and false vocal cords?
Laryngeal cavity
Lung cancers often spread to which lymph node?
Mediastinal
What fraction of each tidal volume stays in anatomical dead space
1/3
Diaphragm is innervated by which nerve and what levels
Phrenic nerve C3C4C5
Why does obstructive disorders present with a concave shape in the volume-flow loop?
Small airways drag out expiration so the loop has a long, dragged out concave shape
What is the characteristic feature on microscopy of Acute Respiratory Distress Syndrome?
Hyaline membrane
Pleural tumours are most likely to be related to which chemical exposure?
Asbestos
What do the pharyngeal muscles, constrictor muscles, do?
Contract to allow movement of the food bolus
A1 anti-trypsin deficiency is most likely correlated with what lung disorder and why
Emphysema
Encourages breakdown of alveolar walls
Which histology pattern/s is more concerning for a patient with suspected lung cancer?
if hint needed say yes
Micropapillary and Solid - more aggressive growth and behaviour
Lepidic is ok
A patient with methaemoglobinaemia has what pathology?
altered Hb where iron is oxidised into ferric 3+ instead of normal ferrous