When She Arrived as a Freshman at State College, Mackenzie

Multiple Choice

When she arrived as a freshman at State College, Mackenzie wanted to take advantage of the cafeteria meals included in the cost of her room and board. But between the eat-as-much-as-you-want cafeteria meals, the hours spent studying each day, and mostly sitting for her job at the library reception desk, Mackenzie gained 12 pounds by Thanksgiving break. Mackenzie experienced:

A) positive energy balance.
B) leptin resistance.
C) negative energy balance.
D) energy homeostasis.