Understanding Patho Quiz 1 Electrolytes and Immunity Exam 1 Questions and Answers

What makes up approximately _______ percent of lean body weight in men? women? Ans: men = 60%. women = 50%. what fraction of water is in the intracellular space? extracellular space? Ans: intracellular = two-thirds. extracellular = one-third. Is the ICF or ECF subdivided into more categories? what are these? Ans: ECF. Into intravascular and interstitial. What percentage of the ECF is intravascular fluid? interstitial? Ans: intravascular 25%. (4-5%) interstitial 75%. (15-16%) because most of the water is in the cells, volume changes are generally associated with: Ans: change in serum osmolality and electrolyte concentrations. the distribution of body fluids follows this rule: Ans: 60-40-20 rule. 60% of the total body weight is water. 40% of the body weight in cells in intracellular fluid (2/3 of total body weight). 20% of the body weight is water outside of the cells. (1/3 of the total body weight). Other minute fluids within the ECF: Ans: Lymph, synovial, intestinal, CSF, sweat, urine, pleural, peritoneal, pericardial, and intraocular fluids