39 The main snion in intracellular luid is Sodiuem Potassium Chloride Phosphate
ID: 265426 • Letter: 3
Question
39 The main snion in intracellular luid is Sodiuem Potassium Chloride Phosphate 40 Which fluid is NORMALLY the most alkaline A. Aterial blood Venous blood 41. When sodium cation is resorbed in the proximal convoluted tubale of the kidney what A. B. occurs to maintain charge neutrality Potassium cation is also absorbod Chloride anion is also absorbed Chloride anion is secreted D Hydrogen ioa is also absorbed The main cation in extracellular fluid is B. Potassium 42. Sodium Chloride 43, Vitamin A and Folic Acid Folic Acid and Vitamin B1 Vitamin Bi2 and Vitamin K Vitamin K and Vitamin D C. D. A ] 2% increase in the level of CO2 in the blood will A Decrease the vital capacity 44- Decrease the respiratory rate Increase the respiratory rate Increase the residual volume During strenuous exercise, which of the following muscles contract to assist with exhalation 45. Pectoralis major C External intercostals VD. Rectus abdominis 46. The most important chemical regulator of respiratory rate in a bealthy person is Carbon dioxide B. Oxygen C. Sodium D. BicarbonateExplanation / Answer
39. The main anion is phosphate and main cation is potassium.
40. Artrial blood is most alkaline with pH 7.41, venous blood has pH 7.36 due to dissolved oxygen in it. Urine has pH about 6
41. Through selective reabsorption chloride is also absorbed. (B)
42. In extra cellular fluid the main cation is Sodium. Main anion in chloride.
43. Folic acid and Vitamin B12 are required for red blood cell production.
44. The respiration rate will increse because the body will throw out the Co2 present in blood so higher intake of O2 is required.
45. For increasing rib cage volume, intercostal muscles contract hence allowing expansion of lungs.
46. The most important regulator is Co2 conc.
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