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175) A 1 molal solution is equivalent to: a. a solution containing 1 mole of solute per kg of solvent b. 1,000 mL of solution containing 1 mole of solute c. a solution containing 1 g equivalent weight of solute in 1 L of solution d. a 1 L solution containing 2 moles of solute {Ans: a (Molality is the number of moles of solute per 1 kg of solvent.)}65) A patient has the following results: increased serum calcium decreased serum phosphate increased levels of parathyroid hormone: This patient most likely has: a. hyperparathyroidism b. hypoparathyroidism c. nephrosis d. steatorrhea {Ans: a (Hyperparathyroidism.)}B (anti-HBs) {Ans: 96. What assay would confirm the immune status of hepatitis B virus? A) HBsAg B) anti-HBs C) IgM anti-HBcAg D) hepatitis C Ag}207) An antibody that causes in-vitro hemolysis and reacts with the red cells of 3 out of 10 crossmatched donor units is most likely: a. anti-Lea b. anti-s c. anti-k d. anti-E {Ans: a (Lewis antibodies may bind complement and fresh serum that contains anti-Lea may hemolyze Le[a+] red cells in vitro. Approximately 22% of the population is Le[a+].)}173) A serum potassium (MW = 39) is 19.5 mg /