Question

3 & 4 please

3. What are the three general causes of fatigue? a. high energy, substrate depletion, dehydration b. heat, substrate depletion, lactate accumulation C. waking up too early in the morning, dehyetration, heat 4. What is the degree to which the control system can maintain homeostasis? a. Lipolysis b. Equilibrium C. Gain of the system

Answer 1

3. The correct answer is option b.

Reason:- Heat, substrate depletion and lactate accumulation are three general causes of fatigue. In muscles during exercise, heat is liberated through the production of energy through substrate depletion which in turn produces lactic acid through metabolism which leads to lactic acid accumulation causing fatigue.

4. The correct answer is option b.

Reason:- At equilibrium, the amount of substrate produced is equal to the amount of substrate used which operates in a reversible sort of reaction. Although the body, never attains equilibrium as it has to work continuously to sustain life. But the maximum degree of extent which the body can attain to maintain homeostasis is equilibrium.