Our breathing rate will be lowest when we are:
A.Playing football
B.Eating
C.Sleeping
D.Delivering orders
Category: Respiratory System Physiology Mcqs
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
Deoxygenation of oxyhaemoglobin is:
A.Directly proportional to blood PCO2
B.Inversely proportional to blood PCO2
C.Directly proportional to PO2
D.Inversely proportional to PO2
How many times we breathe per minute:
A.5 time
B.10 times
C.12 time
D.72 times
The number of oxygen molecules associating with haemoglobin in man is:
A.One
B.Two
C.Three
D.Four
