Our normal O2 intake per minute amounts to:
A.200ml
B.250ml
C.300ml
D.350ml
Category: Respiratory System Physiology Mcqs
The concentration of carbonic acid does not increase in our blood because of the presence of which of the following:
A.Sodium ions
B.Potassium ions
C.Calcium ions
D.None of these
For a man using carbohydrates, proteins and fats in diet the figure for RQ is:
A.0.7
B.0.85
C.1.5
D.0.75
Our breathing rate will be lowest when we are:
A.Playing football
B.Eating
C.Sleeping
D.Delivering orders
RQ for carnivores is:
A.0.75
B.0.85
C.0.96
D.None of these
Third bond of ATP on hydrolysis yields:
A.ADP + 33,000 joules
B.AMP + 33,000 joules
C.ADP + 66,000 joules
D.None of these
Which of these microorganisms cause whooping cough:
A.Diplococeus pneumomae
B.Mycobacterium tuberculosis
C.Haemophilus pertussis
D.None of these
RQ for herbivores is:
A.0.7
B.0.75
C.0.8
D.0.96
Embden Meyerhof pathway is also called:
A.Glycolysis that occurs anarobically
B.Kreb’s cycle that occur aerobically
C.Transport of CO2 in the blood
D.Electron transport system
Blood leaving the lungs has all its haemoglobin oxygenated and gives up oxygen to tissues due to one of the following reasons:
A.The tissues can absorb oxygen from oxyhaemoglobin
B.Oxygen concentration in tissues is lower and CO2 concentration is higher than in lungs
C.Oxyaemoglobin undergoes reduction
D.Oxygen concentration in tissues is higher and CO2 concentration is
