some of these questions. Do antacids treat the cause symptoms of gastric hyperac
ID: 190799 • Letter: S
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some of these questions. Do antacids treat the cause symptoms of gastric hyperacidity? Is the widespread use of these substances of any health concern? Why is the frequent ingestion of bicarbonate of soda contraindicated in some conditions? Would you want a person who has achlorhydria to be consuming quantities of antacids? If you had gastric ulcers, how would you feel about consuming antacids? Why is an individual likely to belch after antacid ingestion? Name some physiological causes of stomach distress. List the pH value, or range, of four human body fluids. PH Fluid pH Fluid 2 1- What generalities do you note regarding these values? What exceptions do you note? Write two equations which show how a buffer system works 4. when acid is added to the system, 5. when a base is added to the system. (use each component of the buffer pair).Explanation / Answer
Antacids treat the symptoms of gastric hyperacidity. They neutralise the excess acid produced. Versions with magnesium may cause diarrhea, and brands with calcium or aluminium may cause constipation and rarely, long-term use may cause kidney stones. Long-term use of versions with aluminium may increase the risk for getting osteoporosis.
Sodium bicarbonate is contraindicated in conditions like kidney diseases and congestive heart failure as it's long term use can cause metabolic alkalosis.
No, in case of achlorhydria, HCl is already absent in gastric secretions. Antacids would aggravate the problem.
Belching occurs due to productions of CO2 after reaction between NaHCO3 and HCl.
FLUID - pH
Blood - 7.35-7.42
Gastric secretion - 1.5-3.5
Urine - 6.0 (avg)
Spinal fluid - 7.4
Most bodily fluids are nearly neutral in pH except gastric juice.
4) buffer: CH3COONa (aq) ---CH3COO- + Na+
acid addn: no change in pH as added H+ ions will be neutralized by acetate ions and form acetic acid which is a weak acid and doesn't dissociate completely.
5) addn of alkali will introduce extra OH- ions into the solution. Acetic acid will react with hydroxide ions to form acetate ion and water.
CH3COOH + OH- ---CH3COO- + H2O
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