In which of these forms major amount of carbondioxide is transported in our blood:
A.As bicarbonate ions
B.As sodium carbonate
C.As carbonic acid
D.As carbamino compounds
Category: Respiratory System Physiology Mcqs
Cyandies are deadly poisons because they:
A.Decrease the transport of CO2 in the body
B.Decrease the transport of O2 in the body
C.Inactivate enzymes for cellular oxidation and create anoxia of hypoxia
D.Have some other way of working
In the first state of Glycolysis called activation the endproduct formed from glucose is:
A.Glucose-6-phosphate
B.Fructose-6-phosphate
C.Fructose, 1, 6, diphosphate
D.None of these
Which of these steps occur during Glycolysis:
A.Activation of glucose
B.Cleavage
C.Oxidation
D.All of these
Hypoxia accompanied by increased tension of CO2 in the body is:
A.Anoxia
B.Asphyxia
C.Pneumonia
D.None of these
To start the kreb’s cycle, the pyruvic acid formed during Glycolysis is converted into:
A.Acetyl CoA which reacts with oxaloacetic acid to form citric acid
B.Alpha-ketogluteric acid which forms oxaloacetic acid
C.Lactic acid that forms CO2 and H2O
D.None of these
By which of the following the medullary respiratory centre is affected directly:
A.Chemically
B.Physically
C.Neuronally
D.All of these
What will happen when a person stays at Mount Everest for some days:
A.RBCs production in his body will step up
B.His body will step down the production of RBCs
C.Number of RBCs will not change
D.His RBCs will become very large
Respiratory quotent (RQ) means:
A.Volume of CO2 given in unit time
B.Volume of oxygen absorbed in unit time
C.Ratio of carbondioxide liberated to that of oxygen taken
D.None of these
