In young male which of these amounts of oxygen diffuse per minutes per mm of respiratory membrane:
A.11ml
B.21ml
C.31ml
D.41ml
Category: Respiratory System Physiology Mcqs
A person living at high altitude has likely the higher number of RBCs per unit volume because of which of the following reasons:
A.Air is not polluted and is clear
B.Air is less dense
C.More sunshine is available
D.None of these
Acetyl CoA used normally in Kreb’s cycle is derived from pyruvic acid but it can also be formed from:
A.Fatty acids
B.Amino acids
C.Both (a) & (b)
D.None of them
At the end of cleavage stage in Glycolysis we get:
A.One molecule of 3-phosphoglyceraldehyde
B.One molecule of dihydroxy acetone phosphate
C.Both (a) & (b)
D.None of these
External respiration usually called breathing involves:
A.Intake of oxygen only
B.Removal of CO2 only
C.Both of these processes
D.None of these processes
A catabolic process by which the chemical degradation of body fuel substances is done to obtain energy is called:
A.External respiration
B.Metabolism
C.Tissue respiration
D.None of these
Which of these enzymes is responsible for conversion of 2-phosphoglyceric acid into phosphoenolpyruvic acid:
A.Enolase
B.Aldolase
C.Glycerokinase
D.Glyceromutase
Which of the following occur without enzymes:
A.Breathing
B.Internal respiration
C.Both (a) & (b)
D.None of these
The blood absorbs oxygen in respiration with one of these:
A.RBCs production in his body will step up
B.WBCs
C.Plasma
D.Platelets
Because being trapped in ‘dead space’ which of these amounts of inhaled air does not reach alveoli of our lungs:
A.150ml
B.250ml
C.350ml
D.None of these
