NR 507 Week 2 Quiz – Questions and Answers with Explanation

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Water movement between the intracellular fluid compartment and the extracellular compartment is primarily a function of osmotic forces. The movement of water between ICF and ECF compartments is p... rimarily a function of osmotic forces. (Osmosis and other mechanisms of passive transport are discussed in Chapter 1.) How does the loss of chloride during vomiting cause metabolic alkalosis Loss of chloride causes retention of bicarbonate to maintain the anion balance. When acid loss is caused by vomiting with depletion of ECF and chloride (hypochloremic metabolic alkalosis), renal compensation is not very effective because the volume depletion and loss of electrolytes (Na+, K+, H+, Cl-) stimulate a paradoxical response by the kidneys. The kidneys increase sodium and bicarbonate reabsorption with excretion of hydrogen. Bicarbonate is reabsorbed to maintain an anionic balance because the ECF chloride concentration is decreased. [Show More]

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