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:

Respiratory System Physiology Mcqs
BILAL KHATTAK0

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

Related Mcqs:

  1. Blood leaving the lungs has all its haemoglobin oxygenated and gives up oxygen to tissues due to one of the following reasons:
  2. The ratio of oxygen available to the oxygen required for stabilization of sewage is called
  3. In case the concentration of oxygen in the tissues were almost as high as at the respiratory surface then:
  4. Which of these facts sugests that oxygen is transported from lungs to the tissues combined with haemoglobin rather than dissolved in blood plasma:
  5. Oxygen capacity of haemoglobin is:
  6. Organ affected by pneumonia is __________?
  7. Which of these statements are correct:
  8. Under certain conditions, an increase in P50 value of haemoglobin would bring which of these changes in the affinity of pigment to combine with oxygen:
  9. A person on inhaling air having well as carbon monoxide suffers from suffocation because:
  10. The oxygen for fuel combustion comes from the air which consists of about

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