30. Ventilation Perfusion Ratio Flashcards
1
Q
Ventilation perfusion ratio= ( V-Q ratio ) Normal V/Q ratio :- V/Q ratio at apex :- M. Tuberculosis flourishes in :- V/Q ratio at base :-
A
139
2
Q
V-Q ratio :- infinity means :- Seen in :- 1. 2. Wasted :-
A
139
3
Q
V/ Q ratio :- zero Means Wasted :- This is known as :- Seen in :-
A
139
4
Q
Enti
Action perfusion diagram :-
At V/Q infinity :-
PO2 :-
PCO2 :-
A
140
5
Q
AtV/Q = zero
PO2 :-
pCO2 :-
Shunted or deoxygenated blood
A
140
6
Q
At V/Q = 0.8 normal
PO2=
PCO2 =
A
141
