Refer to Scenario 3.1. Could Tony's excitement before the race have caused him to become fatigued toward the end of the race?
A)No; due to homeostatic mechanisms, metabolism remains constant at all times.
B)No; the excess heat produced in his body would have sped up his reaction rates, causing him to run faster.
C)Yes; because of his excitement, his breathing rate increased and he probably hyperventilated before the race, causing him to be tired.
D)Yes; his excitement created more demand for oxygen from his vital organs and tissues, therefore using up that oxygen to produce energy that he needed for the race.
E)No; the body has many ways to produce energy and, therefore, never runs out.

Question

Quizplus · Accepted Answer

Tony's excitement could have increased his metabolic rate, leading to higher oxygen demand and energy consumption, which might have contributed to fatigue during the race.