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
Category: Respiratory System Physiology Mcqs
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
Respiratory site of the cell is:
A.Golgi complex
B.Mitochondria
C.Ribosomes
D.None of these
During cellular respiration the electrons are received by which of the following substances:
A.NAD
B.FAD
C.Cytochromes
D.All of these
Imitation of throat and respiratory passage dueto smoking and dust allergy causes:
A.Cough
B.Tuberculosis
C.Whooping cough
D.None of these
In which of these manners the oxygen is transported to tissues in the vertebrates:
A.Adsorbed to the surface of blood corpuscles
B.Combined with haemoglobin as oxyhaemoglobin
C.Dissolved in the plasma of blood
D.All of these ways
Which one of the following statements define Bohr effect:
A.A rise in P50 with a decrease in carbondioxide concentration
B.A rise in P50 with a increase in carbondioxide concentration
C.A rise in P50 with an increase in pH and decrease in PCO2
D.None of these
Oxygen percentage in the inhaled air is about:
A.21%
B.16%
C.79%
D.4%
Asphyxia occurs on:
A.owning
B.High altitude
C.Anaemic state
D.None of these
