Respiratory site of the cell is:
A.Golgi complex
B.Mitochondria
C.Ribosomes
D.None of these
Category: Respiratory System Physiology Mcqs
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
A person will die of oxygen dificiency when under certain conditions his P50 value of Hb rises to 100 mm Hg, the reason being that:
A.He cannot load enough oxygen in the lungs
B.He can load enough oxygen but cannot unload it
C.He can neither load nor unload oxygen in the lungs
D.He suffers with degradation and cannot function normally
RQ for proteins is:
A.More than 1.5
B.Less than 1 (0.71)
C.0.8
D.None of these
Body tissues obtain oxygen from oxyaemoglobin because its dissociation is caused by:
A.Low concentration of oxygen
B.Low O2 and high CO2 concentration
C.Low CO2 concentration
D.High CO2 concentration
