Which of the following will not be equal in normal physiological conditions?
(1) Partial pressure of oxygen in deoxygenated blood and partial pressure of oxygen in tissues
(2) Partial pressure of carbon dioxide in alveoli and partial pressure of carbon dioxide in oxygenated blood
(3) Partial pressure of oxygen in oxygenated blood and partial pressure of oxygen in alveoli
(4) Partial pressure of carbon dioxide in tissues and partial pressure of carbon dioxide in deoxygenated blood
Under normal physiological conditions, what amount of oxygen is delivered to the tissues?
(1) 4 ml
(2) 5 ml
(3) 15 ml
(4) 20 ml
Identify the incorrect statement regarding the enzyme cabonic anhydrase:
(1) RBCs contain a very high concentration of this enzyme
(2) The enzyme is absent in the plasma
(3) It facilitates the reaction catalyzed in both directions
(4) It is a metalloenzyme
Pulmonary fibrosis is a pathological hallmark of:
(1) Chronic obstructive lung disease
(2) Bronchial asthma
(3) Viral Pneumonia in children
(4) Occupational lung diseases
The peripheral chemoreceptors are:
(1) more sensitive to a decrease in PCO2 than to a decrease in PO2
(2) stimulated by hypocapnia
(3) located in the medulla oblongata of the brain stem
(4) more sensitive to a decrease in PO2 than to a decrease in PCO2
What percentage of Carbon dioxide is transported by RBCs
(1)7
(2)20-25
(3)70
(4)97
What percentage of Carbon dioxide is transported in a dissolved state through plasma
(1)7
(2)20-25
(3)70
(4)97
What percentage of oxygen molecule is transported in a dissolved state through plasma
(1)3
(2)20-25
(3)70
(4)97
Which of the following is true for transport of gases
(1)Maximum amount of O2 is transported by RBCs
(2)Maximum amount of CO2 is transported by Plasma as Bicarbonates
(3)Plasma transports both CO2 and O2
(4)All of the above
Which of the following is a true statement?
(1)Oxygen binding with HB is a reversible process
(2)Oxygen binding with HB is an irreversible process
(3)Hb is not a protein
(4)It’s not a pigment