Biology Tests Respiratory System Physiology Test 05 Online Preparation Respiratory System Physiology Test 05 Online Preparation 1. Forced deep breathing for few minutes in a person sitting at rest may be followed bya temporary cessation in breathing which is due to?A. Too much O2 and very little CO2 in his blood B. Too much amount of carbondioxide in his blood C. None of these reasonsD. Too much amount of O2 in his blood Loading... 2. 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?A. Fall B. No changeC. Rise D. First rise and then fall Loading... 3. 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 less dense B. None of theseC. Air is not polluted and is clear D. More sunshine is available Loading... 4. A person belonging to sea-level town migrates to high altitude of about 8000 feet then his blood after 15 days will show?A. Reduction in number of RBCs B. Increase in his blood volume C. Greater number of RBCs and more Hb D. Increase in number of WBCs Loading... 5. 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?A. He cannot load enough oxygen in the lungs B. He can neither load nor unload oxygen in the lungs C. He can load enough oxygen but cannot unload it D. He suffers with degradation and cannot function normally Loading... 6. In which of these forms major amount of carbondioxide is transported in our blood?A. As sodium carbonate B. As carbamino compoundsC. As bicarbonate ions D. As carbonic acid Loading... 7. Faster breathing during condition of fever is mainly due to which of the following facts?A. We need additional amount of oxygen for the invading organisms B. Nervousness of the patient C. High temperature of our body D. Loss of appetite Loading... 8. By which of the following the medullary respiratory centre is affected directly?A. Physically B. Chemically C. Neuronally D. All of these Loading... 9. Which one of the following statements define Bohr effect?A. None of theseB. A rise in P50 with an increase in pH and decrease in PCO2 C. A rise in P50 with a decrease in carbondioxide concentration D. A rise in P50 with a increase in carbondioxide concentration Loading... 10. The dissociation of oxyhaemoglobin would increase under a given concentration in blood in case?A. pH of blood falls B. pH of blood raises C. Free fatty acid concentration falls in bloodD. Concentration of CO2 falls Loading... Loading... Related PostsRespiratory System Physiology Test 08 Online PreparationRespiratory System Physiology Test 09 Online PreparationRespiratory System Physiology Test 07 Online PreparationRespiratory System Physiology Test 06 Online PreparationRespiratory System Physiology Test 04 Online PreparationRespiratory System Physiology Test 03 Online Preparation Continue Reading Previous Viruses MCQs Test 03 Preparation Online Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Δ