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can anybody give explanation for these quests.
(1) if total lung capacity is 5.5 lit,approx what percentage is the vital capacity?
1 80%
2 50%
3 10%
4 20%
ans is 1
(2) if the vital capacity of lungs in normal adult is 5.5 lit,the forced expiratory volume in one sec is wat% of this vital capacity.
1 10%
2 20%
3 40%
4 80%
ans is 4
(3) wat % of hemoglobin becomes saturated with O2(oxygen) in arterial blood
if concentration of HB is 8g/100ml(normal 14.5g/100ml)
1 98%
2 55%
3 25%
4 10%
ans is 1
(3) all of the following increase proportionately if a normal subject begins breathing a 50% O2(oxygen) mixture at atmospheric pressure except
1 alveolar oxygen(O2) pressure
2 O2 saturation of HB
3 partial pressure of O2 in tissues
4 dissolved O2 in blood
ans is 2
(4) if partial pressure of oxygen in arterial blood does not change
& the blood temperature decreases,the HB carries
1 more CO2(carbon dioxide)
2 more O2
3 less O2
4 same amount of O2
5 less CO2
ans is 3
(5)respiratory ventilation is significantly & rapidly increased by
a increase in carbon monoxide
b increase in plasma H+ concentration
c increase CO2 tension
d increase O2 tension
e sodium cynide
1 a,b & d
2 a& c
3 b,c & e
4 a,b d.e
5 all of the above
ans 3
(1) if total lung capacity is 5.5 lit,approx what percentage is the vital capacity?
1 80%
2 50%
3 10%
4 20%
ans is 1
(2) if the vital capacity of lungs in normal adult is 5.5 lit,the forced expiratory volume in one sec is wat% of this vital capacity.
1 10%
2 20%
3 40%
4 80%
ans is 4
(3) wat % of hemoglobin becomes saturated with O2(oxygen) in arterial blood
if concentration of HB is 8g/100ml(normal 14.5g/100ml)
1 98%
2 55%
3 25%
4 10%
ans is 1
(3) all of the following increase proportionately if a normal subject begins breathing a 50% O2(oxygen) mixture at atmospheric pressure except
1 alveolar oxygen(O2) pressure
2 O2 saturation of HB
3 partial pressure of O2 in tissues
4 dissolved O2 in blood
ans is 2
(4) if partial pressure of oxygen in arterial blood does not change
& the blood temperature decreases,the HB carries
1 more CO2(carbon dioxide)
2 more O2
3 less O2
4 same amount of O2
5 less CO2
ans is 3
(5)respiratory ventilation is significantly & rapidly increased by
a increase in carbon monoxide
b increase in plasma H+ concentration
c increase CO2 tension
d increase O2 tension
e sodium cynide
1 a,b & d
2 a& c
3 b,c & e
4 a,b d.e
5 all of the above
ans 3