Respiratory Flashcards
1
Q
What changes are seen during respiratory acidosis?
A
inc PO2
inc HCO3
dec pH
2
Q
What changes are seen during respiratory alkalosis?
A
dec PCO2
dec HCO3
inc pH
3
Q
What causes respiratory acidosis?
A
dec alveolar ventilation barbiturates dec lung capacity edema vent/perfusion mismatch
4
Q
What causes respiratory alkalosis?
A
inc alveolar ventilation
hypoxia
anxiety
5
Q
Structures associated with a tracheostomy
A
cricothyroid ligament (cut this) carotid a IJV thyroid vagus n recurrent laryngeal n
6
Q
What mechanism prevents overinflation?
A
Hering-Breuer reflex
7
Q
Where are J receptors?
A
alveolar walls
cause rapid shallow breathing
