Palindromesaresequencesofdouble-strandednucleicacidswith____________symmetry. A: twofold B: threefold C: fourfold D: sixfold

The most serious hypokalemia would occur in which of the following conditions? A: Decrease in potassium intake from 150 to 75 mEq/ day B: Increase in sodium intake from 100 to 200 mEq/ day C: Fourfold increase in aldosterone secretion plus high sodium intake D: Fourfold increase in aldosterone secretion plus low sodium intake