[{"id":1067594,"question":"When does oxyhaemoglobin release oxygen.","choices":[{"text":"When body temperture decreases ","value":"A"},{"text":"When partial pressure of oxygen is above 100 mm Hg","value":"B"},{"text":"When partial pressur eof oxygen ins below 20 mm Hg","value":"C"},{"text":"When partial pressur eof oxygen is equal to 20 mm Hg","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1067593,"question":"Which statement is correct abotu myoglobin","choices":[{"text":"It contins four peptide chains","value":"A"},{"text":"It is found in RBCs","value":"B"},{"text":"It is a monomer with single haem group","value":"C"},{"text":"It transports four O2 molecules.","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1067592,"question":"The polypeptide chain of haemoglobin are held together by ","choices":[{"text":"Peptide bonds","value":"A"},{"text":"Phosphodiester bonds","value":"B"},{"text":"Salt bridge, hydrogen bonds and hydrophbic effects","value":"C"},{"text":"Disulfide bridge","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1067591,"question":"Numebr of oxygen moleclues one haemoglobin can carry","choices":[{"text":"2","value":"A"},{"text":"3","value":"B"},{"text":"4","value":"C"},{"text":"5","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1067590,"question":"Which of following are respiratory pigments.","choices":[{"text":"Albumin and Globulin","value":"A"},{"text":"Haemoglobin","value":"B"},{"text":"Myoglobin","value":"C"},{"text":"Both b and c","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":1067589,"question":"Haemoglobin is composed of how many globin polypeptide chains","choices":[{"text":"One","value":"A"},{"text":"Two","value":"B"},{"text":"Three","value":"C"},{"text":"Four","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1067588,"question":"Myoglobin provide oxygen to.","choices":[{"text":"Lymph","value":"A"},{"text":"Muscles","value":"B"},{"text":"Blood","value":"C"},{"text":"Water","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1067587,"question":"Chloride shift is related to transport of.","choices":[{"text":"CO2","value":"A"},{"text":"NaCl","value":"B"},{"text":"N2","value":"C"},{"text":"O2","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1067586,"question":"In hamburger phenonmenon which ion is involved.","choices":[{"text":"Cl- ion ","value":"A"},{"text":"Ca++ ion","value":"B"},{"text":"Na+ ion ","value":"C"},{"text":"K+ ion","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1067585,"question":"Apporeximately 72% of CO2 is carried is blood as.","choices":[{"text":"Carbonate ions","value":"A"},{"text":"Bicarbonate ions","value":"B"},{"text":"Acetate ions","value":"C"},{"text":"Carbonic acid ions","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1067584,"question":"Bohr effect shows effectof which factor on haemoglobins affinity for oxygen.","choices":[{"text":"N2","value":"A"},{"text":"O2","value":"B"},{"text":"pH","value":"C"},{"text":"Temperature","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1067583,"question":"pH of blood is lowere by which gas produced by tissue.","choices":[{"text":"CO2","value":"A"},{"text":"Oxygen","value":"B"},{"text":"Xl2","value":"C"},{"text":"Water vapours","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1067582,"question":"At 105 mm Hg of partial pressur eof oxygen how much haemoglobin combines with oxygen.","choices":[{"text":"77%","value":"A"},{"text":"97%","value":"B"},{"text":"87%","value":"C"},{"text":"67%","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1067581,"question":"Partial pressur eof oxygen in alveoli at sea level is","choices":[{"text":"104 mm Hg","value":"A"},{"text":"105 mm Hg","value":"B"},{"text":"106 mm Hg","value":"C"},{"text":"107 mm Hg","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1067580,"question":"Partial pressur eo oxygen in vien is","choices":[{"text":"20 mm Hg","value":"A"},{"text":"40 mm Hg","value":"B"},{"text":"200 mm Hg","value":"C"},{"text":"400 mm Hg","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1067579,"question":"Oxygen is bound to haemoglobinin ","choices":[{"text":"RBC","value":"A"},{"text":"Plasma","value":"B"},{"text":"Platelets","value":"C"},{"text":"WBC","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1067578,"question":"Whole blood carries oxygen almost","choices":[{"text":"2 ml per liter","value":"A"},{"text":"20 m per liter","value":"B"},{"text":"200 ml per liter","value":"C"},{"text":"2000ml per liter","value":"D"},{"value":"E"}],"correctAnswer":3}]