Respiratory System Physiology Test 03 Online Preparation Shani Malik — January 16, 2021 in Biology Tests • add comment Respiratory System Physiology Test 03 Online Preparation 1. During one circuit of blood from lungs to the tissue and back through circulatory system the percentages of haemoglobin giving up its oxygen to tissues is?A. 75% B. 100%C. 50% D. 25% Loading... 2. Deoxygenation of oxyhaemoglobin is?A. Directly proportional to PO2 B. Inversely proportional to PO2C. Inversely proportional to blood PCO2 D. Directly proportional to blood PCO2 Loading... 3. Which of these facts sugests that oxygen is transported from lungs to the tissues combined with haemoglobin rather than dissolved in blood plasma?A. Increase in CO2 concentration decrease the O2 affinity of haemoglobinB. Haemoglobin can combine with oxygen C. Oxyhaemoglobin can dissociate into haemoglobin and oxygenD. Oxygen carrying capacity of whole blood is higher than that of plasma Loading... 4. Oxygen capacity of haemoglobin is?A. The amount of oxygen which 1 gm of haemoglobin can bind B. The amount of oxygen which haemoglobin exchanges with similar amount of carbondioxide C. None of theseD. The amount of oxygen which is present in blood of alveolar circulation Loading... 5. Which of these is termed Bohr effect?A. None of theseB. Increase in CO2 concentration decreases O2 affinity of Hb C. Deoxygenation of oxyhaemoglobin is directly proportional to PCO2 D. Oxygen carrying capacity of whole blood is higher than plasma Loading... 6. A person on inhaling air having well as carbon monoxide suffers from suffocation because?A. Hb of blood combines with CO instead of O2 and the product cannot dissociate B. CO affects diaphragm and internal muscles C. CO affects nerves of the lungsD. CO reacts with O2 reducing its percentage in the air Loading... 7. Haldane effect states that?A. Oxyhaemoglobin behaves as a strong acid so more and more amount of it formed releases more and more H+ions B. None of these factsC. Increase the oxygen affinity of haemoglobin D. Deoxygenation of oxyhaemoglobin is directly proportional to PCO2 Loading... 8. How much oxygen binds with 1 gm of haemoglobin in normal state?A. 1.34gmB. 1.0gm C. 0.75ml D. 0.5ml Loading... 9. The atmosphere of industrial area loaded with chimines is considered harmful to health because?A. There is carbonmomonoxide which can bind with Hb 230 times more than oxygen and its pressure of about 0.7 mm Hg is lethal B. There is more and more carbondioxide C. The air has very low percentage of oxygenD. There is more water vapour which makes breathing difficult Loading... 10. A catabolic process by which the chemical degradation of body fuel substances is done to obtain energy is called?A. Tissue respiration B. Metabolism C. External respiration D. None of these Loading... Loading... Related NTS Results Post:Respiratory System Physiology Test 06 Online PreparationRespiratory System Physiology Test 09 Online PreparationRespiratory System Physiology Test 08 Online PreparationRespiratory System Physiology Test 07 Online PreparationRespiratory System Physiology Test 05 Online PreparationRespiratory System Physiology Test 04 Online PreparationRespiratory System Physiology Test 02 Online PreparationRespiratory System Physiology Test 01 Online Preparation
