[{"id":1072755,"question":"What is the primary functio of white blood cells.","choices":[{"text":"To transport oxygen","value":"A"},{"text":"To defend body against diseases","value":"B"},{"text":"To help blood clotting","value":"C"},{"text":"To remove carbon dioxide","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1072754,"question":"Approximately how  how many WBCs are typically found in each mm3 of blood.","choices":[{"text":"4 million","value":"A"},{"text":"3 million","value":"B"},{"text":"7000","value":"C"},{"text":"70,000","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1072753,"question":"The characteristic property of white blood cells is","choices":[{"text":"Contain haemoglobin","value":"A"},{"text":"Disc-shaped","value":"B"},{"text":"Colourless","value":"C"},{"text":"Smaller than RBCs","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1072752,"question":"What is teh average life span of a Red blood cell.","choices":[{"text":"7 days","value":"A"},{"text":"120 days","value":"B"},{"text":"1 Year","value":"C"},{"text":"Two years","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1072751,"question":"In adults, RBs are primarily formed in.","choices":[{"text":"Liver and spleen","value":"A"},{"text":"Red bone marrow","value":"B"},{"text":"Lymph nodes","value":"C"},{"text":"Thymus","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1072750,"question":"Normal range of RBCs per mm3 of blood.","choices":[{"text":"7000","value":"A"},{"text":"2 million ","value":"B"},{"text":"4 to 5.5 million","value":"C"},{"text":"7 million","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1072749,"question":"Which protein helps RBCs to transport oxygen.","choices":[{"text":"albumin","value":"A"},{"text":"Fibrinogen","value":"B"},{"text":"Haemoglobin","value":"C"},{"text":"Globulin","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1072748,"question":"Disc-shaped cells are.","choices":[{"text":"Red blood cells","value":"A"},{"text":"White bloods cells","value":"B"},{"text":"Platelets","value":"C"},{"text":"Plasma","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1072747,"question":"Which nutrients are present in plasma.","choices":[{"text":"Lipids","value":"A"},{"text":"Amino acids","value":"B"},{"text":"Glucose","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":1072746,"question":"Which protein is responsible for maintaing the osmotic pressure of blood.","choices":[{"text":"Albumin","value":"A"},{"text":"Antibody","value":"B"},{"text":"Fibrinogen","value":"C"},{"text":"Globulin","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1072745,"question":"Plasma protein fibrinogen play its role in.","choices":[{"text":"Maintaing osmatic pressure","value":"A"},{"text":"Blood clotting","value":"B"},{"text":"Carrying oxygen","value":"C"},{"text":"Fighting bacteria","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1072744,"question":"Which plasma proteins are responsible for defending the body again pathogens.","choices":[{"text":"Albumin","value":"A"},{"text":"Fibrinogen","value":"B"},{"text":"Antibodies","value":"C"},{"text":"Platelets","value":"D"},{"value":"E"}],"correctAnswer":3}]