Breathing and Exchange of Gases questions
457 published questions with worked solutions.
- Match the following columns | Column-I | Column-II | |---|---| | A. 20-25% | 1. Bicarbonates | | B. 70% | 2. RBC | | C. About 7%...
- CO_2 diffuses into ...A... and forms HCO_3^- and H^+. At the ...B... site where pCO_2 is low, the reaction proceeds in the...
- Under normal conditions, what amount of O_2 is delivered by 100 mL of the oxygenated blood?
- Binding of CO_2 to oxyhaemoglobin occurs when
- Each haemoglobin molecule can carry maximum of
- Under which condition does dissociation of oxygen from oxyhaemoglobin in tissues occur?
- Binding of O_2 with haemoglobin is primarily dependent upon I. partial pressure of O_2 II. partial pressure of CO_2 III. hydrogen...
- CO_2 carried by haemoglobin is
- Which of the following conditions are found in the alveoli of lungs? I. high pO_2 II. Low pCO_2 III. High pCO_2 IV. low pO_2 V....
- Dissociation of CO_2 from carbamino haemoglobin takes place when
- pCO_2 is higher in tissues due to
- Oxyhaemoglobin in the blood is formed when
- What are the favourable conditions for oxyhaemoglobin?
- The breathing centre initiates the ventilation in response to
- A chemosensitive area is situated adjacent to the rhythm centre in the brain. This area is highly sensitive to
- Receptors associated with the aortic arch and carotid artery can recognize the changes in ...A... and H^+ concentration and send...
- Which of the following gases is quite insignificant for the regulation of respiration rhythm?
- Why is breathing accelerated when the person opens his nose after holding his breath by closing his nose?
- Respiratory centre of the brain is stimulated by
- Why do human beings face difficulty breathing at high elevations?
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