Which of the following would most likely help scientists conclude that kidney disease can result from not drinking enough water?
Answer
A
inventing a new machine that helps maintain excretory function when a patient is in the hospital
B
comparing the rates of kidney disease reoccurrence in recovering patients who increased their daily water intake vs. those who did not increase their daily water intake
C
asking whether the climate of a kidney-disease patient affects the likelihood of contracting a bacteria that enters the kidneys
D
reading studies about how dehydration affects the functions of the circulatory system and comparing them to studies about dehydration and the respiratory system