EASY
AP EAPCET
IMPORTANT
Earn 100

Which is the correct sequence of the air passage in man?

50% studentsanswered this correctly

Important Questions on Breathing and Respiration

MEDIUM
AP EAPCET
IMPORTANT
Match the following related to respiratory volumes and capacities.
Column I Column II
i Tidal volume a 2500 to 3000 ml of air
ii Inspiratory reserve volume b 1000 ml of air
iii Expiratory reserve volume c 500 ml of air
iv Residual volume d 3400 to 4800 ml of air
v Vital capacity e 1200 ml of air
EASY
AP EAPCET
IMPORTANT

Match the following respiratory capacities and respiratory volumes of a normal human adult?

Respiratory capacities Respiratory volumes
i) Residual volume a)  2800 mL
ii) Vital capacity b)  3000 mL
iii) Inspiratory reserve volume c)  1100 mL
iv) Inspiratory capacity d)  4000 mL

 

EASY
AP EAPCET
IMPORTANT
Right side shift of oxygen-haemoglobin dissociation curve occurs during
EASY
AP EAPCET
IMPORTANT
Which of the following factors favour the right side shift of the oxygen dissociation curve?
MEDIUM
AP EAPCET
IMPORTANT

Study the following forms of transport of respiratory gases
A) CO2 as bicarbonates
B) O2 through plasma
C) CO2 as carbamino compounds
D) O2 through RBC
E) CO2 in a dissolved state
Arrange the above in sequence in ascending order based on their percentages.

MEDIUM
AP EAPCET
IMPORTANT

Assertion (A): Biconcave shape of mammalian RBC facilitates gas exchange.

Reason (R): Biconcave shape provides a high surface to volume ratio.

EASY
AP EAPCET
IMPORTANT
The process in which atmospheric air with 21% of O2 is drawn in and alveolar air rich in CO2 is sent out is called        
EASY
AP EAPCET
IMPORTANT

Match the following?

List I List II
i) PO2 of alveoli lungs a)  40 mmHg
ii) PO2 of atmosphenc air b)  95 mmHg
iii) PO2 of deoxygenated blood c)  104 mmHg
iv) PO2 of oxygenated blood d)  159 mmHg