A Researcher Is Setting Up an Experiment to Measure Basal

question 17

Multiple Choice

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

• A) House the animals 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 the animals 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 the animals 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 the animals 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.

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Definitions:

Calcium Balance

The regulation of calcium levels in the body, critical for bone health and the functioning of the nervous and muscular systems.

Parathyroid Hormone

A hormone produced by the parathyroid glands that regulates calcium levels in the blood.

Vitamin D

A fat-soluble vitamin essential for calcium absorption in the body and bone health.

Aldosterone

A hormone produced by the adrenal glands that helps regulate blood pressure by controlling sodium and potassium levels in the blood.