A Researcher Is Setting Up an Experiment to Measure Basal

Multiple Choice

A researcher is setting up an experiment to measure basal metabolic rate in prairie voles (a small mouse-like mammal) .Which of the following would be the best set of conditions for the voles immediately before and during the measurement?

A) House in a cage with plenty of food and water to avoid stress;conduct measurements in a warmer room than the room where housed.
B) House in a cage with plenty of food and water to avoid stress;conduct measurements in a room the same temperature as the room where housed.
C) House in a cage with no food for a few hours before measurement;conduct measurements in a colder room than the room where housed,and exercise the voles.
D) House in a cage with no food for a few hours before measurement;conduct measurements in a room the same temperature as the room where housed.