resp Flashcards
1
Q
% carbon dioxide is carried in the blood in three forms:
A
- 60% bicarbonate
- 30%carbamino compounds
- 10% dissolved co2
2
Q
what is closing volume?
A
volume of lung at which dependent airways begin to close and can be read off a trace
3
Q
closing volume increased with?
A
age
small amounts of disease in the small airways
4
Q
what is closing capacity
A
closing volume and residual capacity
5
Q
normal physiological dead space value
A
30%
6
Q
4 x restrictive defect in ventilatory function occurs in
A
- fractured ribs
- upper abdo surgery
- lobar pneumonia
- old t6 spinal cord injury
7
Q
three volumes that we can’t measure?
A
RV, FV, TLC
